City
San Ramon
San Ramon is a city record. City or town offices may handle local rules inside their limits, while county offices still handle records, taxes, courts, and many services.
Starting point
Confirm the address is inside local limits first.
If the address is inside San Ramon, city or town offices may handle local permits, code, and services. If it is outside limits, county routing may be the better first stop.
A mailing city is not always the same as city government jurisdiction.
2025 population
86,209
Land area
20.059 sq mi
Water area
0.034 sq mi
Directory notes
Local layers to keep on the same page.
Confirm city or town limits.
A mailing address can use a nearby place name. If the address is outside limits, county offices may handle permits, code, and land-use routes.
County still matters.
Contra Costa County can still matter for assessor, tax collector, recorder, court, public health, social service, and election records.
Some layers are separate.
Water, sewer, fire, school, utilities, coast, earthquake maps, wildfire zones, parks, and trails may point outside city hall.
County layer
County shown for San Ramon
Practical notes
Office, map, permit, and paperwork notes for San Ramon
Place note · Home and property · Reviewed July 6, 2026
San Ramon trash questions usually run through ACI
San Ramon residential garbage, recycling, organics, missed pickups, cart changes, billing issues, and cleanup days run through ACI of San Ramon.
Place note · Home and property · Reviewed July 4, 2026
San Ramon building submittals depend on the project type
San Ramon's Building and Safety pages separate general building services, forms, handouts, and permit-plan submittal instructions by project type.
Place note · Rules and licenses · Reviewed July 4, 2026
San Ramon service requests get a tracking number
San Ramon's Citizen Request Management system lets residents submit non-emergency city service requests, track progress, and route issues to the right city staff.
Place note · Rules and licenses · Reviewed July 3, 2026
San Ramon permits and business licenses start in CSS
San Ramon's CSS system is the first online stop for many permit and business license applications, inspection requests, invoices, and project status checks.
County layer · Cars and driving · Reviewed July 6, 2026
Antioch BART is the end of the Yellow Line
Antioch Station is a Yellow Line terminal with parking, Tri Delta Transit connections, bike lockers, restrooms, and a train transfer pattern riders should know.
County layer · Outdoors · Reviewed July 6, 2026
Concord picnic sites need the right reservation
Concord park picnics can be casual or reserved, but group sites, alcohol permits, inflatables, deposits, and special-event needs change the plan.
Almanac notes
Stories and local context near San Ramon
Place note · History and culture
Forest Home Farms keeps San Ramon's farm past in town
Forest Home Farms gives San Ramon a 16-acre historic farm, with Boone family buildings, old outbuildings, a walnut-processing past, and valley agriculture still visible.
Place note · Outdoors
The Iron Horse Trail is San Ramon's everyday trail spine
The Iron Horse Trail runs through San Ramon as a flat paved route that links neighborhoods, schools, shopping areas, transit, and regional trails.
County layer · History and culture
Brentwood's local history museum keeps East County farm memory close
East Contra Costa Historical Museum in Brentwood gives the growing city a place for farm, school, family, and small-town history from the wider East County area.
County layer · History and culture
El Campanil Theatre keeps Antioch's Rivertown stage alive
El Campanil Theatre opened in downtown Antioch in 1928 and now works as a restored cultural venue in the Rivertown district.
County layer · History and culture
Richmond's old Carnegie library now holds city history
The Richmond Museum of History and Culture sits in the old Carnegie Library and connects Ohlone history, early city growth, and the WWII Homefront.
County layer · History and culture
Pittsburg's name changed with the work on the waterfront
Pittsburg's history includes Rancho Los Medanos, fishing and canning, Black Diamond coal, waterfront shipping, industry, and Camp Stoneman.
County layer · History and culture
Antioch began as a river landing before it grew south
Antioch's early story starts near the San Joaquin River, where settlers chose the name in 1851 and river travel shaped the town before roads took over.
County layer · History and culture
Clayton's town story starts with Joel Clayton in Diablo Valley
Clayton was laid out in 1857 by Joel Clayton as a small Diablo Valley center for nearby mining, ranching, farming, and local trade.