Looking for a pool builder in San Anselmo, CA? Describe your project once and up to five licensed pool builders who work in San Anselmo and Marin County get back to you with a quote. It's free and there is no obligation.
San Anselmo is home to about 12,645 people (2024 Census Bureau estimate), a shrinking community (−1.5% since 2020). With 4,727 people per sq mi, it is a densely built-up area. Long summers and backyard living make pools a frequent project here.
San Anselmo at a glance
- Population (Census Bureau estimate, 2024)
- 12,645 (−1.5% since 2020)
- Rank in California
- 347th of 482 cities and towns
- Land area
- 2.7 sq mi
- Population density
- 4,727 people per sq mi (densely built-up)
- Type
- Town (San Anselmo town)
- Main county
- Marin County
What to check before hiring in San Anselmo
- License and permit: in California, check the builder's license and the pool permit.
- Barrier: plan the fence and gates required by code.
- HOA: check HOA rules before signing.
- Price drivers: size, type, finish, equipment, deck and access.
Useful official resources
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Pool Safely (CPSC)
Official information and guidance.
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ICC: International Code Council
Official information and guidance.
Services available in San Anselmo
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In-ground pool construction
Design and construction of an in-ground pool with equipment, permit and barrier.
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Pool renovation
Resurfacing, tile, equipment and deck renovation of an existing pool.
Frequently asked questions in San Anselmo
How much does a pool cost in San Anselmo, CA?
It depends on type, size, finishes and access. Describe your project: builders who serve San Anselmo reply with a quote.
When should I start?
Off-season planning often gets earlier construction dates.
Does a pool add value?
It depends on the market; in warm areas buyers often expect one.
Which licensed pool builders will contact me?
Up to five independent licensed pool builders who serve San Anselmo and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.