🏢 California Holding Company Structures

Interactive Guide to Parent/Subsidiary Organizations for Real Estate & Operating Businesses

What Is a Holding Company?

Definition

Core Concept

A holding company is an entity that exists primarily to own interests in other entities (subsidiaries) rather than conduct operating business itself. The parent owns 100% of subsidiary stock or membership interests, while subsidiaries handle actual operations, own real estate, employ workers, and generate revenue.

Low Complexity

When Holding Structures Make Sense

  • You own multiple distinct businesses and want liability segregation between them
  • You have both operating businesses and valuable real estate to separate
  • You're building a multi-property real estate portfolio with property-by-property liability protection
  • You're planning estate transfers and want to transfer parent interests rather than unwinding each subsidiary
  • You need operational efficiency with centralized ownership but separate legal entities
High Complexity

When to Avoid Holding Structures

  • You're running a single small business with no distinct lines to separate
  • You can't afford $800-$2,400+ in annual minimum taxes per entity
  • You're unwilling to maintain separate books, records, and corporate formalities
  • You're flipping properties frequently and don't need long-term asset segregation
  • The compliance burden and professional fees exceed the liability protection benefits

Typical Holding Structure

Parent Holding Company
(CA Corp or DE Corp or LLC)
Operating Subsidiary
CA Corp or LLC
Real Estate LLC #1
Property A
Real Estate LLC #2
Property B
⚠️ California-Specific Reality: The California Franchise Tax Board doesn't simply let you park a Delaware parent above California operations and call income "out of state." Unitary business rules often pull carefully structured entities back into California's tax net.

California Holding Corp vs Out-of-State Parent

California Parent Corporation

Forming in California

Formation: File Form ARTS-GS with Secretary of State ($100 filing fee, $15 counter fee if in-person)

Ongoing Requirements: Annual Statement of Information (Form SI-550, $25) in registration month, plus $800 annual minimum franchise tax

✅ Advantages

  • • Clear jurisdiction - no ambiguity about doing business in CA
  • • Avoids foreign qualification compliance risks
  • • Aligns legal structure with economic reality if management is in CA
  • • Simpler for FTB nexus and commercial domicile analysis

❌ Disadvantages

  • • Guaranteed $800 annual minimum tax
  • • Income taxed at CA's 8.84% corporate rate
  • • Potentially higher apportionment if commercial domicile in CA
  • • Locked into CA regulatory framework
Out-of-State Parent (Delaware/Nevada/Wyoming)

Forming Outside California

Theory: Parent avoids CA $800 minimum and potentially avoids CA taxation if no nexus beyond holding subsidiary stock

Reality: Works only if parent is genuinely passive with no CA presence, which is difficult to achieve

✅ Potential Advantages

  • • May avoid CA $800 minimum if no factor-presence nexus
  • • Delaware corporate law and investor familiarity
  • • Better for venture-backed companies and institutional investors
  • • No CA qualification needed if not transacting business here

❌ Reality Check

  • • Unitary business rules pull income back to CA anyway
  • • Combined reporting required if parent/subs are unitary
  • • If management actually in CA, may have commercial domicile here
  • • Must maintain genuine separation to avoid CA nexus
🚨 Critical Trap: Most parent-subsidiary relationships where the parent actively manages subs are "unitary businesses" under FTB rules. This means combined reporting pulls the parent's income into California's tax base even if the parent has no direct CA presence. The Delaware parent doesn't automatically shield income from CA taxation.
Factor-Presence Thresholds (2024)

When Out-of-State Parent Must Pay CA Tax

Revenue & Taxation Code §23101(b) creates automatic "doing business" status if ANY threshold exceeded:

Factor 2024 Threshold Calculation
California Sales $711,538 Or 25% of total sales (whichever is less)
California Property $71,154 Or 25% of total property (whichever is less)
California Payroll $71,154 Or 25% of total compensation (whichever is less)

Note: Thresholds are indexed annually for inflation. Check FTB's current-year guidance.

California Tax Consequences & Unitary Business Problem

Critical Concept

The Unitary Business Doctrine

California requires combined reporting when a parent and subsidiaries constitute a "unitary business" - a single trade or business with functional integration, centralized management, and economies of scale.

Result: Income of ALL unitary members (including out-of-state parent) is combined and apportioned based on group's combined CA sales, property, and payroll.

High Risk

When Your Structure Is Likely Unitary

  • Parent actively manages subsidiaries (shared officers, directors, strategic decisions)
  • Parent provides shared services (accounting, HR, legal, treasury, IT)
  • Parent licenses IP to subsidiaries or charges management fees
  • Parent provides financing or guarantees subsidiary debt
  • Parent employs C-suite executives who oversee subsidiary operations
  • Subsidiaries share resources, customer lists, or operational systems

Practical Reality: Most active parent-subsidiary structures are unitary unless parent is genuinely passive.

Low Risk

When Parent May Be Non-Unitary (Rare)

  • Parent is pure passive holding company collecting dividends only
  • No shared management, officers, or directors between parent and subs
  • No services, IP licensing, or financing provided by parent
  • Subsidiaries operate completely independently
  • Parent has no involvement in day-to-day operations or strategic decisions

Reality Check: Difficult to achieve if you personally own and run both parent and subs.

📊 Combined Reporting Process: File Form 100W including income of all unitary members. California uses single-sales-factor apportionment - 100% weight on where sales occur. Market-based sourcing assigns service/IP income to where benefit is received (usually CA if services benefit CA customers).
Reference

Key Legal Authority

FTB Legal Ruling 95-7: Addresses intangible holding companies. Active involvement in subsidiary operations creates unitary relationship.

FTB Legal Ruling 95-8: Characterizes income from stock/intangibles as business vs nonbusiness income. If dividends/gains are unitary business income, subject to apportionment.

FTB Publication 1061: Comprehensive guide to combined reporting requirements and unitary business principles.

Cal. Code Regs. tit. 18 §§25106.5-25106.5-10: Regulations governing combined reporting mechanics.

Annual Tax Cost Example: Simple Holding Structure

Parent Corporation (CA or qualified foreign) $800
Operating Subsidiary (CA corp) $800
Real Estate LLC #1 $800
Real Estate LLC #2 $800
Statement of Information Fees (annual for corps, biennial for LLCs) $90
CPA Fees for Combined Report $3,000-$10,000
Minimum Annual Cost (before income taxes) $6,290+

Property Tax Reassessment Traps for Real Estate Holdings

⚠️ BIGGEST TRAP: Proposition 13 limits property tax increases to 2% annually until a "change in ownership" triggers reassessment at current market value. For holding structures, changes at the PARENT level can trigger reassessment of ALL subsidiary real estate.
Critical Rule

Revenue & Taxation Code §64(c): Change in Control = Change in Ownership

Rule: When more than 50% of ownership interests in an entity that owns real property transfer, it's treated as a change in ownership of the property itself.

For Corporations: "Ownership interests" = voting stock

For LLCs/Partnerships: "Ownership interests" = interests in capital and profits

The Trap: Change in control applies to INDIRECT ownership too - if parent's ownership changes, subsidiary property is reassessed.

Real Example

How Reassessment Hits Multi-Tier Structures

Scenario: You own a Delaware holding company that owns 100% of three CA LLCs, each holding an apartment building.

Delaware Parent LLC
You sell 60% to investor
↓ Change in Control
CA LLC #1
Building A
🚨 Reassessed
CA LLC #2
Building B
🚨 Reassessed
CA LLC #3
Building C
🚨 Reassessed

Result: All three buildings are reassessed simultaneously because >50% of parent changed hands, even though LLC ownership of properties didn't change.

Mandatory Filing

BOE-100-B: Statement of Change in Control

Who Must File: Any legal entity owning CA real property that experiences change in control or change in ownership

Deadline: Within 90 days of change

Penalty for Failure to File: 10% of (a) taxes on new base year value if reassessed, OR (b) 10% of current year's taxes if no reassessment

Critical: Penalty applies EVEN IF an exclusion from reassessment ultimately applies. The reporting obligation exists regardless.

Limited Relief

Exclusions From Reassessment (Narrowly Construed)

  • Original co-owner transfers: Transfers between original co-owners who continuously held interests since acquisition
  • Proportional transfers: Certain transfers that don't change proportional interests
  • Parent-child transfers: Subject to specific limitations and claim filing
  • Legal entity reorganizations: Only if no change in beneficial ownership

Reality: Exclusions are technically complex and strictly construed. Most restructurings don't qualify. BOE provides no equitable relief.

🔍 LEOP Monitoring: Board of Equalization's Legal Entity Ownership Program tracks ownership changes in entities holding CA real property. County assessors receive BOE-100-B filings and will reassess if change in control occurred. This is not optional or avoidable through structuring alone.
Best Practice

Pre-Transaction Planning for Real Estate Holdcos

  • Model property tax consequences BEFORE signing sale/transfer agreements
  • Consider transferring <51% in any single transaction to avoid change in control
  • Structure transfers to qualify for specific exclusions if available
  • Consider direct property transfers rather than entity-level transfers if reassessment likely
  • Factor reassessment cost into deal economics - it's a real cash expense
  • File BOE-100-B within 90 days even if claiming exclusion

Corporation vs LLC as the Holding Vehicle

Factor Corporate Holding Company LLC Holding Company
Tax Treatment C-corp: Separate entity taxation at 8.84% CA rate + federal corporate tax. Dividends taxed again at shareholder level. Pass-through: Income flows to members' returns. Single layer of tax. Disregarded if single-member.
CA Annual Cost $800 minimum franchise tax $800 minimum tax PLUS LLC fee if CA gross receipts >$250K ($900-$11,790)
Real Estate Holdings ❌ Poor choice - double tax on appreciation (corporate-level + shareholder-level) ✅ Excellent - single tax on appreciation at member level
Operating Businesses ✅ Good for venture capital, employee stock options, eventual IPO ⚠️ Limited - VCs avoid LLCs due to UBTI issues
Estate Planning ⚠️ Limited flexibility for minority discounts and allocation ✅ Excellent - flexible allocations, valuation discounts, trust planning
Investor Appeal ✅ High - institutional investors expect corporate stock ⚠️ Lower - K-1s and UBTI concerns for tax-exempt investors
Governance Formal: Board, bylaws, shareholder meetings, stock classes Flexible: Operating agreement controls, member-managed or manager-managed
Exit Strategy ✅ Stock sale in M&A, IPO-ready, QSBS potential (non-real-estate) ⚠️ Asset sale often required, IPO not feasible
Decision Framework

Use a Corporate Holding Company When:

  • Planning to raise venture capital or seek institutional investors
  • Need employee stock option plans and equity compensation
  • Eventual IPO or sale to strategic acquirer expected
  • Operating business (not primarily real estate) is the main asset
  • Want to use QSBS exclusion for qualified small business stock
  • Investors expect corporate stock as equity currency
Decision Framework

Use an LLC Holding Company When:

  • Holding real estate or real-estate-heavy portfolio
  • Building family business for intergenerational transfer
  • Want pass-through taxation and avoid double tax
  • Need flexible profit/loss allocations among owners
  • Estate planning with valuation discounts is priority
  • No venture capital or institutional investors expected
Hybrid Strategy

Corporate Parent + LLC Real Estate Subsidiaries

Structure: Use C-corp as parent for operations and equity currency, but hold real estate in LLC subsidiaries

Benefits:

  • Corporate stock for investors, stock options, eventual exit
  • Avoid corporate-level tax on real estate appreciation in LLC subs
  • Real estate can be distributed or sold without double tax
  • Operating business and real estate liability segregation

Drawback: Multiple $800 minimum taxes and combined reporting if unitary

💡 Pro Tip: For most California real estate holding structures, LLC parent with LLC property subsidiaries is optimal. For venture-backed operating businesses, Delaware C-corp parent is standard. Mixed businesses benefit from corporate parent with LLC real estate silos.

Common California Holding Structures

Structure #1

Operating Business + Separate Real Estate

Holding Company
(Corp or LLC)
Operating Company
LLC or S-Corp
Leases premises
Real Estate LLC
Owns building
Receives rent

Use Case: Business owner who owns both operating company and building where it operates

Benefits: Liability segregation, separate financing/sale of real estate, flexibility for business to relocate

Requirements: Fair market rent, written lease, separate books/records

CA Cost: Minimum $2,400/year ($800 × 3 entities)

Structure #2

Multi-Property Real Estate Portfolio

Parent LLC
Centralized ownership
Property LLC #1
Apartment A
Property LLC #2
Apartment B
Property LLC #3
Retail Building
Property LLC #4
Office Building

Use Case: Real estate investor with multiple rental properties

Benefits: Property-by-property liability protection, single point of control at parent

Major Trap: Change in control of parent triggers reassessment of ALL properties (LEOP/BOE-100-B)

CA Cost: Minimum $4,000/year ($800 × 5 entities) before LLC gross receipts fees

Structure #3

Venture-Backed Operating Company (Delaware Parent)

Delaware C-Corp Parent
Holds IP, cap table, equity for investors/employees
CA Operating Subsidiary
Conducts business operations
Employees, customers, revenue

Use Case: Tech startup seeking venture capital

Benefits: Delaware law, investor expectations, stock-based compensation, M&A/IPO structure

Reality: Usually unitary (parent actively manages), so combined reporting pulls parent into CA tax base

CA Cost: Minimum $800/year for CA sub (parent may avoid if genuinely passive, rare)

Structure #4

Mixed: Operations + Multiple Real Estate Assets

Parent Company
(Often LLC for pass-through on RE)
Operating Subsidiary
Business operations
(Could be S-corp or LLC)
Real Estate LLC #1
Operating location
Real Estate LLC #2
Investment property

Use Case: Entrepreneur with operating business plus separate real estate investments

Benefits: Complete separation of business from real estate, different exit timelines

Complexity: Likely unitary if parent manages both, combined reporting applies

CA Cost: Minimum $3,200/year ($800 × 4 entities)

⚙️ Formation Sequence: (1) Form parent entity, (2) Form or transfer subsidiaries, (3) Document contributions with agreements, (4) Obtain EINs, (5) Register with FTB, (6) File Statements of Information, (7) Draft operating agreements/bylaws, (8) Maintain separate books/records, (9) Document intercompany transactions at arm's length, (10) Monitor for LEOP events.

Frequently Asked Questions

Not necessarily, and often it makes no difference at all. If the Delaware parent and California subsidiary are engaged in a "unitary business" - meaning they have functional integration, centralized management, and economies of scale - California requires combined reporting that includes the parent's income and apportions it using the group's combined sales factor.

Since most parent-subsidiary relationships involve active management and integration, the FTB treats them as unitary and taxes the apportioned share of the combined income regardless of where the parent is incorporated. The Delaware parent can reduce California taxes only if it genuinely is a passive holding company with no active management role, no California employees or property, and no functional integration with the California subsidiary.

This is difficult to achieve in practice because most business owners actively manage their subsidiaries and use the parent for treasury functions, IP licensing, or centralized services - all of which create a unitary relationship. You should model the tax consequences with your CPA before assuming that a Delaware parent saves California taxes.

No, and this is one of the biggest traps for real estate holding structures. Revenue and Taxation Code Section 64(c) treats a change in control of a legal entity that owns California real property as a change in ownership of the property itself. If more than 50% of the ownership interests in the parent change hands, and the parent owns subsidiary LLCs that own real property, the Board of Equalization views this as a change in ownership of all real property owned by the subsidiaries, triggering reassessment.

There are exclusions from reassessment for certain types of transfers, such as transfers between spouses, certain parent-child transfers, and transfers that qualify under the original co-owner exclusion. But these exclusions have specific technical requirements, and you must qualify precisely under the exclusion language. The BOE does not grant equitable relief for transactions that almost qualify or would have qualified if structured slightly differently.

If you're planning to sell a portion of your holding company, bring in new investors, or transfer interests to heirs, you need to model the property tax consequences before executing the transaction. In some cases, restructuring the transaction to qualify for an exclusion or transferring interests over time to stay under the 50% threshold can preserve the low Proposition 13 assessed values.

The answer depends primarily on what you're holding and what your exit strategy is. If you're holding operating businesses and plan to eventually raise venture capital, sell to a strategic acquirer, or go public, use a C-corporation as the parent because institutional investors expect corporate stock and most M&A transactions are structured as stock purchases of corporate parents.

If you're holding real estate or building a family business you plan to pass to heirs, use an LLC as the parent because the pass-through taxation avoids the double tax on appreciation that occurs with C-corporations. When you sell appreciated real estate held by a corporate structure, you pay corporate-level tax on the gain plus shareholder-level tax when the cash is distributed. With an LLC structure, you pay tax only once at the member level.

The hybrid scenario is using a corporate parent for operations but LLC subsidiaries for real estate. This gives you corporate stock as the equity currency while avoiding corporate-level tax on real estate appreciation. But you still pay the $800 minimum tax for each entity, and if the group is unitary, you file combined reports that include both corporate and pass-through entities, which adds accounting complexity.

The baseline cost for a California holding structure is the $800 annual minimum franchise tax for each corporation and LLC in the structure. If you have a parent corporation and three subsidiary corporations, that's $3,200 annually in minimum taxes before any income taxes or LLC gross receipts fees. If any of the LLCs have California gross receipts exceeding $250,000, add the annual LLC fee, which ranges from $900 to $11,790 depending on the revenue level.

You also pay annual Statement of Information fees: $25 per corporation annually, $20 per LLC every two years. If the entities are part of a unitary group, add CPA fees for preparing combined reports, which typically run $3,000 to $10,000 depending on the complexity of the structure and the number of entities included in the combined group.

For real estate holding structures, add property taxes, potential BOE-100-B filings when ownership changes, and monitoring costs to ensure you don't accidentally trigger reassessment through changes in control at the parent level. If you're using separate counsel to draft intercompany agreements, operating agreements, and contribution agreements when forming the structure, add legal fees of $5,000 to $25,000 depending on complexity.

The total annual cost for a modestly complex holding structure with a parent and three subsidiaries is typically $5,000 to $15,000 in taxes, fees, and professional services. This is worthwhile if you have meaningful liability segregation needs or tax planning benefits, but it's not cost-effective for small single-business owners who simply want to "look professional" by having a holding company structure.

It depends on what the holding company actually does. California Corporations Code Section 2105 requires a foreign corporation to obtain a certificate of qualification before "transacting intrastate business" in California. Transacting intrastate business generally means engaging in repeated and successive transactions of the corporation's business in California other than in interstate commerce.

If your Delaware holding company merely holds stock in California subsidiaries, has no California employees or property, no board meetings or officers in California, and no direct transactions with California customers, it likely is not transacting intrastate business and does not need to qualify. The mere act of owning stock in California subsidiaries does not itself constitute transacting business in California.

However, if the holding company employs people in California, maintains an office here, has board meetings in California, or provides services directly to California customers or subsidiaries, it may be transacting intrastate business and should qualify under Section 2105. If the corporation transacts intrastate business without qualifying, it cannot bring suit in California courts to enforce contracts related to that business, and it may be subject to penalties.

As a practical matter, if your management team and operations are all in California anyway, it's often cleaner to simply form a California corporation as the parent rather than forming a Delaware corporation and then qualifying it in California. You end up paying the California $800 minimum either way once you qualify, and you avoid the ambiguity about whether you should have qualified earlier.

Yes, almost certainly. One of the key factors in determining whether entities are unitary is whether there is centralized management and functional integration. If the parent company actively manages subsidiaries, provides shared services like accounting, HR, or treasury functions, or employs C-suite executives who oversee subsidiary operations, the FTB will treat the structure as unitary.

This means you file California combined reports that include all members of the unitary group and apportion the combined income using the group's combined sales, property, and payroll factors. The parent's management fee income is included in the combined group's business income and subject to apportionment rather than being treated as standalone income sourced only to the parent's state of formation.

The unitary business concept is not necessarily bad - it's simply the reality of how California taxes integrated business operations. If your parent and subsidiaries genuinely are operating as a single coordinated business with shared management and resources, combined reporting often results in a fair apportionment of income based on where the business actually operates.

If you want the parent to be genuinely non-unitary with its California subsidiaries, it needs to be a passive holding company that does not provide management services, does not employ executives who oversee subsidiaries, does not hold or license IP to subsidiaries, and simply receives dividends from subsidiaries without active involvement in their operations. This is difficult to achieve in closely held businesses where the owner is personally managing all the entities in the structure.

Yes, but only if you maintain proper formalities and the structure genuinely segregates operations and assets between entities. The whole point of subsidiary entities is that creditors of one subsidiary cannot reach assets of the parent or other subsidiaries without piercing the corporate veil. But courts will pierce the veil if you commingle funds, fail to observe corporate formalities, undercapitalize subsidiaries, or treat the entities as mere instrumentalities of a single owner.

To preserve liability protection in a holding structure, you must maintain separate bank accounts for each entity, keep separate books and records, file separate tax returns, properly document all intercompany transactions at arm's-length rates, never commingle personal funds with business funds or funds between entities, hold separate board meetings and document decisions in minutes, and capitalize each subsidiary adequately for its business purpose.

If you create a holding structure but then treat all the entities as a single pool of money, transfer funds between entities without documentation, or fail to observe formalities, a plaintiff can argue that the separate entities are a sham and that the court should disregard the corporate form and hold you personally liable or hold the parent and other subsidiaries liable for one subsidiary's debts.

The liability protection of holding structures is real and valuable, but it's not automatic. It requires ongoing discipline to maintain proper formalities and documentation. If you're not prepared to do that work, a holding structure provides a false sense of security without actual asset protection.

Transferring an existing business to a new holding company structure is treated as a contribution of assets or stock to the parent in exchange for equity in the parent. For tax purposes, this can be structured as a tax-free reorganization under Section 351 if you transfer property to the parent corporation in exchange for stock and you control the parent immediately after the exchange (at least 80% ownership). For LLCs, the transfer may be tax-free under Section 721 if you're contributing appreciated assets to a partnership.

For California property tax purposes, transferring real property from yourself individually to an entity you control, or from one entity to another entity you control, may trigger reassessment unless an exclusion applies. The legal entity change-in-ownership exclusion applies if you transfer real property from yourself to a legal entity or between legal entities in which you hold the same proportional ownership interest before and after the transfer. But this exclusion is technical and requires careful structuring to qualify.

If you transfer an existing operating business to a new holding company structure, you also need to update contracts, licenses, permits, and bank accounts to reflect the new ownership structure. If the business has debt, you may need lender consent to transfer ownership. If you have employees, you need to handle the transfer of employment relationships and comply with WARN Act requirements if applicable.

The cleanest time to form a holding structure is at inception before you have contracts, licenses, permits, and employees to transfer. But many business owners don't think about liability segregation and holding structures until they've been operating for years and accumulated significant value, at which point the restructuring becomes more complex and potentially triggers tax consequences. You should work with both a tax advisor and a business attorney to structure the transfer correctly and avoid unintended tax liabilities or loss of contract rights.

Ready to Discuss Your California Holding Structure?

California holding companies require careful planning around FTB unitary rules, property tax reassessment traps, and entity choice. I help business owners and real estate investors structure parent-subsidiary organizations that provide genuine liability protection without unexpected tax consequences.

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California Attorney Sergei Tokmakov | CA Bar #279869

This interactive guide provides general information about California holding company structures as of November 2025. Tax and corporate law change frequently. This information should not be relied upon as legal or tax advice for your specific situation. Always consult with qualified legal and tax professionals before forming business entities or restructuring existing businesses.