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San Mateo County growth

2,216 new homes permitted in 2025

Census Building Permits Survey, 2025

New homes permitted in San Mateo County

Housing units the county's permit offices authorized, by year, from the Census Bureau.

New housing units permitted in San Mateo County
PeriodNew homesIn single-family homes
Jan–Sep 20261,171351
Jan–Sep 20251,471358
20252,216457
20241,088521
20231,173398
20221,994413
20211,896535
20201,074344
20191,352354
  • Sep 2026254
  • Aug 202688
  • Jul 2026339
  • Jun 2026104
  • May 202684
  • Apr 202676
  • Mar 202682
  • Feb 2026115
  • Jan 202681
  • Dec 2025129
  • Nov 202580
  • Oct 2025321

New homes permitted each month, Oct 2025 to Sep 2026

People in San Mateo County

  • Population743,568Census Population Estimates · July 1, 2025
  • Change since 2020−19,071 (−2.5%)July 1, 2020 to July 1, 2025 · Census Population Estimates
  • New homes per 1,000 residents3.02025 permits per 1,000 people on July 1, 2025 · Census
  • Median household income$158,8552020-2024 · Census ACS 5-year, ±$2,851

Jobs in San Mateo County

  • Jobs in the county411,346Annual average 2025, all industries, by place of work · BLS QCEW
  • Change since 2020+25,747 (+6.7%)2020 to 2025 annual averages · BLS QCEW
  • Average weekly wage$4,1212025, all industries · BLS QCEW

Home values in San Mateo County

Change in the price of homes sold or refinanced more than once (the FHFA repeat-sales index).

  • Home prices, 1 year−1%2024 to 2025 · FHFA House Price Index
  • Home prices, 5 years+22%2020 to 2025 · FHFA House Price Index

Growth in nearby counties

San Francisco CountySanta Clara CountySanta Cruz County

More

California growth by countyThe data (CSV, JSON)San Mateo County overview

About these numbersSources, dates and how these figures are built

New homes

U.S. Census Bureau, Building Permits Survey, 2019-01 to 2026-09; annual files 2019-2025, posted May 14, 2026; the monthly files through Sep 2026, posted Oct 27, 2026. New housing units authorized by building permits, reported plus imputed. A month is the figure in that month's file; a year is the annual file, which adds late and corrected reports, so twelve months need not add up to the year. Public domain.

People

U.S. Census Bureau, Population Estimates Program, Vintage 2025, July 1, 2020 to July 1, 2025, posted Mar 26, 2026. Public domain.

Income

U.S. Census Bureau, American Community Survey 2020-2024 5-year, table B19013, 2020-2024 (2024 dollars), posted Jan 29, 2026. Median household income; printed at a coefficient of variation of 30% or less. Public domain.

Jobs

U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2020-2025 annual averages, posted Aug 21, 2026. All industries, all ownerships, jobs covered by unemployment insurance; place of work. Public domain.

Home values

FHFA House Price Index (all-transactions), annual county and five-digit ZIP indexes, 2025, posted Mar 31, 2026. Public domain.

Data edition

Figures as of Oct 27, 2026. Area figures, not any one parcel's.