HOA Water Damage: Who Pays, What to Do, and When to Lawyer Up

Key Takeaways

• HOA water intrusion means water entering your home from a source the HOA is responsible for maintaining, such as the roof, exterior walls, or plumbing behind the walls. Where the water originates determines who pays.
• In condos, a good rule of thumb is the drywall line — if the problem starts on the HOA's side of the wall, it's their responsibility. If it's on your side (toilets, faucets, dishwashers), it's yours. Your CC&Rs will define exactly what qualifies as a common area.
• Single-family homeowners aren't off the hook either — while your roof and walls are typically your responsibility, the HOA may be liable when community drainage or irrigation systems they maintain fail and send water into your property.
• Document everything and notify in writing immediately — phone calls are fine for urgency, but emails and letters create the paper trail that protects you legally. Photos, videos, and a simple timeline of events can make or break your case.
• If your HOA is ghosting, delaying, or deflecting, it's time to escalate — water damage doesn't wait. Sitting water turns to mold, mold becomes a health hazard, and a manageable repair can spiral into tens of thousands in damages. Don't let HOA inaction destroy your home.

What Is Water Intrusion?

Water intrusion is exactly what it sounds like: water entering your home where it shouldn’t be. That could mean a leak through the roof, moisture seeping through exterior walls, or a burst pipe inside a shared wall. In condominiums, the most common sources are roofs, exterior walls, and plumbing systems that run through common areas.

The critical question isn’t just that water is getting in—it’s where it’s coming from. That distinction determines who is legally responsible for the damage and the repair.

Condos Vs. Single-Family Homes: A Key Distinction

In a condominium, much of the building structure—the roof, exterior walls, and plumbing behind the walls—is classified as common area. Your HOA is responsible for maintaining common areas, and when those elements fail, the resulting damage may fall on them to repair.

A helpful rule of thumb: if the problem originates on the HOA’s side of the drywall, it’s their responsibility. If it’s on your side—a leaking faucet, a backed-up toilet, a failing dishwasher—that’s on you. Your CC&Rs will have a specific definition section that outlines exactly what qualifies as a common area in your community, so know your governing documents.

For single-family homeowners, the equation shifts. Your roof and exterior walls are typically your responsibility. However, if your HOA maintains community drainage systems or irrigation and those systems fail—sending water flooding into your property—that may constitute an HOA maintenance failure. Clogged community drains, poorly graded greenbelts, and malfunctioning irrigation are common culprits we see in single-family HOA disputes.

What the Law Says About HOA Responsibility

Under California law, if water intrusion originates from something the HOA is required to maintain, the HOA may bear responsibility for the resulting damage. In many cases, this could mean the HOA is obligated to stop the source of the leak, remediate the water damage and any resulting mold, and restore affected areas of your unit—potentially including elements like carpet and drywall that might otherwise fall under the homeowner’s responsibility.

This is where many HOAs try to blur the lines. They’ll deflect, claim it’s your problem, or point you to your insurance company. Your insurance company may then point right back at the HOA’s insurer. You end up trapped in an endless loop while water continues to destroy your home. Understanding your rights under California law can help you break that cycle.

What to Do Immediately When Water Intrusion Strikes

When water is coming into your home from a common area source, time is your enemy. Here are the steps you should take right away:

• Notify your HOA in writing—immediately. A phone call is fine for urgency, but you must memorialize it in an email or letter. Written notice creates a record that protects you legally and establishes a timeline of HOA inaction.
• Document everything. Take photos and videos of the damage as it progresses. Create a simple timeline or journal—when you first noticed the leak, when you reported it, and what response you received. This documentation can make or break your case.
• Mitigate the damage. You have a legal duty to take reasonable steps to prevent the damage from getting worse. If the HOA isn’t responding and water is actively flooding your unit, you may need to take emergency measures. In extreme cases, homeowners have called the fire department to shut off water when neither the HOA nor an upstairs neighbor could be reached.
• Be the squeaky wheel. Follow up relentlessly. If your HOA is slow to respond, keep pushing. Keep every communication in writing and continue to document the worsening damage.

When It’s Time to Bring in an Attorney

There are three clear signals that it’s time to escalate:

• First, they’re not responding. If you’ve sent written notices and your HOA is ghosting you, that silence may be costing you money every day.
• Second, they’re delaying. Kicking the problem down the road while water continues to sit in your walls is not a neutral act. That kind of delay may compound your damages.
• Third, they’re deflecting responsibility. If your HOA is pointing the finger at you, your insurance company, or anyone else, despite clear evidence that the leak originated from a common area, they may be attempting to avoid accountability.

Water intrusion cases are urgent. Sitting water turns into mold. Mold becomes a health hazard. It gets into your HVAC system and circulates throughout your home. A problem that starts as a ceiling stain can escalate into structural damage, respiratory issues, and tens of thousands of dollars in remediation costs.

This is not a dispute you can afford to wait out.

Don’t Let Your HOA’s Inaction Destroy Your Home

Water damage doesn’t wait, and neither should you. If your HOA is ignoring your reports, deflecting blame, or dragging its feet on a repair that may be its obligation, you have rights—and you have options.

At LS Carlson Law, we have experience representing homeowners in water intrusion disputes with their HOAs. We only represent homeowners—never HOAs.

If you believe your HOA is not fulfilling its maintenance obligations, consulting with an experienced HOA attorney may help you understand your options. The longer water damage goes unaddressed, the worse the situation may become—for your home and for any potential legal claims.