San Mateo County
CA · Pop. 745,100 · Urban County
San Mateo County, California covers 449 square miles with a population of 745,100 and a density of 1659.5 people per square mile, a more developed setting where truly rural parcels are scarcer. The agricultural economy is rated weak, built on hay, haylage, pumpkins. A median home price of $1,495,000 and an effective property tax rate of 0.61% set the cost of entry. The climate sits in USDA hardiness zone 10a with a 316-day growing season, average summer highs of 64.9°F and average winter lows of 41.9°F. Annual rainfall averages 29 inches, and with drought risk rated very high, water storage and irrigation planning matter. Sequoia Hospital is 7.8 miles away and includes an emergency room. Broadband reaches 99.5% of homes. On the hazard side, flood risk is very high, wildfire risk is very high, drought risk is very high, so plan infrastructure and insurance accordingly.
Pros
- A long 316-day growing season in USDA zone 10a supports a wide range of crops and multiple plantings.
- A low effective property tax rate of 0.61% holds annual carrying costs down.
- Broadband reaches 99.5% of homes, making remote work and online farm sales realistic.
- Sequoia Hospital, with an emergency room, is just 7.8 miles away — strong local healthcare access.
- A low unemployment rate of 3.9% reflects a stable local job base.
Cons
- Wildfire risk is very high, requiring defensible space, fire-resistant construction, and an evacuation plan.
- Flood risk is very high, so careful parcel siting and flood insurance are essential.
- Drought risk is very high, making water storage and irrigation infrastructure essential rather than optional.
- A median home price of $1,495,000 raises the cost of entry relative to more affordable rural markets.
- The agricultural economy is rated weak, so local farm markets, suppliers, and services are limited.
At a glance
San Mateo County, CA is a challenging place to homestead on the data.
- Homestead score
- 26/100
- Median home price
- $1495k
- Property tax
- 0.61%
- Growing season
- 316 days (zone 10a)
- Annual rainfall
- 29"
- Broadband
- 99.5%
- Nearest hospital
- Sequoia Hospital, 7.8 mi
Taxes & Cost of Living
Land & Building
Climate & Growing
Natural Disaster Risk
Healthcare
Infrastructure & Community
Business & Employment
Homesteading in San Mateo County: FAQ
- What is the growing season like in San Mateo County?
- San Mateo County is in USDA hardiness zone 10a with a 316-day growing season, average summer highs of 64.9°F, and average winter lows of 41.9°F. The established crops are hay, haylage, pumpkins.
- How affordable is land and property here?
- The median home price is $1,495,000 and the effective property tax rate is 0.61%. County-level per-acre prices aren't published, so compare current local listings for raw land.
- Is broadband internet available?
- Broadband reaches 99.5% of homes, strong coverage that supports remote work for most parcels.
- How close is healthcare?
- Sequoia Hospital is 7.8 miles away and includes an emergency room; there are 12 hospitals in the county.
Explore California Resources
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LandWatch
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Lands of America
The largest listing site for rural property — farms, ranches, hunting land, and timberland.
AcreTrader
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More counties in California
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The closest counties to San Mateo County by distance, including across state lines.
Data sources
Verified
Figures are sourced from public datasets: U.S. Census Bureau — ACS 5-year & Gazetteer, USDA NASS Census of Agriculture, USDA Plant Hardiness Zone Map, NOAA NCEI U.S. Climate Normals (1991–2020), FEMA National Risk Index, FCC Broadband Data Collection, BLS Local Area Unemployment Statistics, HIFLD Hospitals. Always confirm specifics locally before relying on them. See our methodology for how the homestead score is calculated.
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