FAQ · Cost
Does homeowners insurance cover basement waterproofing?
A plain-English read of how CT and NY insurers actually handle basement water claims — before you call your agent.
Short answer
Almost never for preventive waterproofing. Sometimes for sudden plumbing-failure water damage (burst pipe, water heater). Gradual seepage from groundwater pressure is excluded by virtually every policy. Check your declarations page.
The full picture
This is the question that disappoints homeowners more than any other. The short version: standard homeowners insurance in Connecticut and New York is designed to cover sudden, accidental damage — not slow, ongoing conditions. Basement waterproofing falls almost entirely on the wrong side of that line.
What insurance typically does cover
- Burst supply line — pipe ruptures, water sprays into the basement, you file a claim. Usually covered (less deductible).
- Water heater failure — tank lets go and floods the floor. Usually covered.
- Washing-machine hose failure — same category.
- Sudden roof damage — storm tears off shingles, water enters from above. Usually covered.
What insurance does not cover
- Groundwater seepage — water entering through the floor-wall joint or block cores from saturated soil. Excluded as “surface water” or “seepage” on essentially every policy.
- Hydrostatic pressure cracking — groundwater under pressure pushing in through cracks. Excluded.
- Foundation cracks themselves — treated as wear-and-tear or settlement, not damage.
- Sump-pump failure flooding — unless you bought a specific sump-pump backup rider, no.
- Flood — covered only by separate NFIP or private flood policies, not standard homeowners.
The “sewer and drain backup” rider
Many CT/NY homeowners have this $50–$150/year endorsement. It covers water backing up through a floor drain or sewer line, with limits typically $5,000–$25,000. Worth having. Doesn’t cover groundwater seepage or hydrostatic pressure — only sewer/drain backflow.
How to actually read your policy
Look at the declarations page for “water damage” exclusions and any “water backup” or “sump pump” endorsements. The relevant language is usually in Section I exclusions: surface water, groundwater, seepage, flood. If those words appear — and they will — groundwater waterproofing is on you.
Why this isn’t actually bad news
Preventive interior drainage with a transferable lifetime warranty costs less than one large insurance claim’s deductible plus premium hike over five years. Solve the cause, not the claim.
Free inspection. Written estimate within 24 hours.
No verbal guesses. No high-pressure follow-up. Just a specialist who shows up on time.