Earthquake damage in a condominium or townhome community creates a uniquely complicated insurance and responsibility landscape. Unlike a single-family home where one owner and one policy cover the entire structure, common interest developments involve shared structures, multiple owners, an HOA (homeowners association) with its own insurance obligations, and governing documents that allocate responsibility in ways that many unit owners do not fully understand until disaster strikes.

Knowing who pays for what before an earthquake occurs is far more valuable than trying to sort it out after the walls have cracked.

How Ownership Structures Create Complexity

In a typical condominium, each owner holds title to the airspace within their unit's boundaries, while the HOA (or the owners collectively) owns the common areas and the building's structural components — the foundation, exterior walls, roof, hallways, elevators, parking structures, and shared mechanical systems. Townhome arrangements vary, but many follow a similar division between individual and common elements.

This division means earthquake damage can simultaneously affect components owned by the HOA and components that are the individual owner's responsibility. A cracked foundation is a common-area structural issue. A broken interior wall might be the unit owner's responsibility. A failure at the boundary between the two — such as damage to a unit's perimeter wall that is also a building exterior wall — lands in disputed territory.

The governing documents — specifically the Covenants, Conditions, and Restrictions (CC&Rs) — define where the HOA's responsibility ends and the individual owner's begins. These documents vary significantly between developments, and the specific language controls. Unit owners should read and understand their CC&Rs, particularly the sections addressing insurance, maintenance responsibility, and casualty loss.

The HOA's Insurance Obligations

California Civil Code Sections 4775 and 5810 establish requirements for HOA insurance coverage. The HOA is generally required to maintain insurance on the common areas and the building's structural components. Many HOAs carry a master property insurance policy that covers the building structure and common areas.

However, earthquake insurance is not required by California law for HOAs, and many associations do not carry it. Earthquake coverage is expensive, especially for multi-unit buildings, and the decision to purchase it is made by the HOA board. If the HOA does not have earthquake insurance, the cost of repairing earthquake damage to common areas and structural components falls on the association — which means it falls on all the unit owners through special assessments.

When an HOA does carry earthquake insurance, the policy typically has a high deductible, often ranging from five to fifteen percent of the building's total insured value. On a multi-million-dollar building, this deductible alone can represent a substantial sum. The CC&Rs usually specify how the deductible is allocated among owners — sometimes equally, sometimes based on unit size or interest percentage.

The Unit Owner's Insurance Responsibility

Individual unit owners need their own earthquake insurance to cover damage within their units. This includes interior finishes (flooring, cabinets, built-in appliances), personal property, and improvements or betterments the owner has made to the original unit. A standard HO-6 condominium insurance policy does not cover earthquake damage — a separate earthquake endorsement or policy is required.

The California Earthquake Authority (CEA) offers condominium earthquake insurance policies that cover the unit owner's portion of the property, personal belongings, and loss of use (additional living expenses if the unit is uninhabitable). Unit owners should confirm that their coverage limits are adequate to cover the full cost of restoring their unit's interior.

A critical gap exists when the HOA lacks earthquake coverage. In that scenario, the association will likely levy a special assessment on all owners to fund structural and common-area repairs. Even a unit owner who carries individual earthquake insurance will face these assessments, and most individual policies do not cover special assessments from the HOA. Some policies offer a loss assessment endorsement that provides limited coverage for this situation, but the limits are often low relative to the potential assessment amounts.

Common Disputes After an Earthquake

Several recurring disputes emerge in HOA communities after earthquakes.

Allocation of the deductible. Even when the CC&Rs specify how the deductible is divided, disputes arise when the damage is concentrated in certain units or buildings within the development. Owners whose units sustained little damage may resist paying their share of a large deductible.

Scope of HOA repairs versus unit owner repairs. Determining exactly where the HOA's repair obligation ends and the owner's begins requires careful reading of the CC&Rs and the building plans. Disagreements about whether specific items — plumbing within walls, electrical panels, windows — are common elements or unit components are frequent.

Adequacy of HOA repairs. Unit owners may disagree with the HOA board's decisions about repair scope, methods, or contractors. The board has a fiduciary duty to act in the best interest of the association, but reasonable people can disagree about what that means in the context of a major repair project. For more, see Earthquake Damage Disputes.

Steps Unit Owners Should Take

Review the CC&Rs and understand the insurance and maintenance responsibility provisions before an earthquake occurs. Confirm whether the HOA carries earthquake insurance by requesting a copy of the association's insurance certificate. Obtain adequate individual earthquake coverage including loss assessment coverage if available. Document the condition of the unit with photographs and video to establish a baseline.

Key Takeaways

Earthquake damage responsibility in condominiums and townhomes is governed by a combination of state law, the HOA's governing documents, and the insurance policies in place. Gaps in coverage are common, and many unit owners discover too late that their exposure is greater than they assumed. Understanding the responsibility framework and ensuring adequate insurance coverage — both at the HOA and individual level — is the most effective preparation a condominium or townhome owner can undertake.