Atherton is a residential town of large, heavily wooded lots and custom homes. The insurance work here is less about hazard zones and more about the whole household: accurate rebuild cost, construction periods, earthquake decisions, staff, collections and liability limits that match significant assets.
Homes in Atherton
Atherton is a small, almost entirely residential town on the Peninsula, with large minimum lot sizes, heritage oaks and very little commercial development. Homes range from older estates and traditional houses to new contemporary homes built after a teardown.
Many properties include guest houses, pool houses, staff quarters, tennis courts and extensive landscaping behind gates. New construction and major renovations often take years, and completed homes typically need high-value coverage built from a detailed rebuild estimate.
Atherton risks, and the coverage for each
Atherton’s exposures are quieter than a canyon or a coastline, but on homes of this scale, each one can mean a large loss.
- EarthquakeThe San Andreas fault runs a few miles west in the Peninsula hills. Large custom homes can be costly to repair, and home policies exclude quake damage; earthquake coverage, sometimes placed privately, is separate.
- Trees and windHeritage oaks and other mature trees can damage homes in storms. Wind damage is generally covered, with limits on tree removal, and many towns regulate tree work.
- Water damageLarge homes with complex plumbing, wine rooms and radiant systems can suffer major water losses. Leak detection and automatic shutoff valves help, and some carriers credit them.
- Creek floodingLow areas near local creeks can flood in heavy storms. Check FEMA’s map for the address; flood is excluded from home policies and covered by a flood policy.
San Mateo County’s record: about 43,456 acres burned in the wildfires CAL FIRE posted from 2013 through 2025, the largest the CZU Lightning Complex (Including Warnella Fire) (2020, 86,509 acres in all); 372 National Flood Insurance Program claims since 2005, paid $13 million; 7 federal major disaster declarations since 2000. The county’s full storm history; wildfires by county.
Non-renewals here: of the homeowners policies that came up for renewal in 2023, insurers declined 10.0% in 94027 (statewide, 9.4%), per California Department of Insurance figures. The FAIR Plan’s share of insured homes in 2022 was 0.2% in 94027 (statewide, 3.2%). Every year and every ZIP.
Insurance problems I see in Atherton
- Multi-year construction. Teardowns and major renovations need builder’s risk for the full project term, and a clear plan for when the finished home moves to a homeowners policy.
- Homes left empty during renovation. A standard policy may restrict coverage once a home is vacant. Renovation coverage fills the gap.
- Household staff. Housekeepers, nannies, drivers and gardeners raise workers’ compensation, employment practices and auto questions.
- Art, wine and collections. Collections should be scheduled at appraised values, with attention to how they’re stored and moved.
- Liability at significant net worth. An umbrella should be sized to the household’s assets and coordinated over every home, vehicle and watercraft.
Serving Atherton from Beverly Hills
I don’t have an office on the Peninsula. I serve Atherton households from my Beverly Hills office, by phone and online, and often work directly with family offices, estate managers and builders.
I don’t have an office in Atherton. I serve Atherton clients from my Beverly Hills office, and quotes, applications and policy changes are handled by phone and online. Call (424) 552-4545, answered 24/7, or send a quote request.
Atherton insurance, answered
How should a multi-year Atherton construction project be insured?
Typically with a builder’s risk policy covering the structure and materials for the full construction period, general liability for the site, and proof of the contractor’s coverage. When the home is finished, it moves to a homeowners policy with a limit based on the completed construction.
Do I need earthquake insurance for an Atherton home?
It isn’t required, but the San Andreas fault is nearby and rebuild costs are high. For larger homes, private earthquake markets may offer higher limits than standard options.
How are household employees covered?
California homeowners policies generally include workers’ compensation for residence employees who meet certain conditions. Larger staffs may also need employment practices liability and auto coverage for employees who drive.
Are art and wine covered by my homeowners policy?
Contents coverage often limits high-value items or certain causes of loss. Scheduling art, wine and collections at appraised values gives broader coverage and a clear value at claim time.
General information about insurance in Atherton as of September 2026, not legal advice. Hazard maps, local rules and carrier appetite change; check current CAL FIRE, FEMA and city or county sources for a specific address. Coverage depends on underwriting and the terms, conditions and exclusions of the policy actually issued.