City
Vacaville
Vacaville 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 Vacaville, 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
103,850
Land area
29.87 sq mi
Water area
0.232 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.
Solano 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 Vacaville
Practical notes
Office, map, permit, and paperwork notes for Vacaville
Place note · Cars and driving · Reviewed July 6, 2026
Vacaville City Coach has routes plus on-demand City Coach Direct
Vacaville City Coach includes fixed routes, City Coach Direct on-demand rides, paratransit, taxi scrips, and rider tools like Ride Pingo.
Place note · Home and property · Reviewed July 6, 2026
Vacaville splits utility billing from water and sewer questions
Vacaville residents use Utility Billing for water and sewer bills, but water and sewer service questions go through the Utilities Department contact paths.
Place note · Home and property · Reviewed July 4, 2026
Vacaville building permits have a permit and inspection trail
Vacaville's Building Division handles building permits, online permit applications, electronic plan review, inspections, forms, fees, and permit history for city projects.
Place note · Rules and licenses · Reviewed July 4, 2026
Vacaville business licenses can be handled online
Vacaville lets businesses apply, renew, pay fees, close a license, and search business licenses online, while still pointing owners to zoning, building, health, and other permit checks.
Place note · Rules and licenses · Reviewed July 3, 2026
Vacaville puts common city chores on one e-services page
Vacaville e-services links residents to utility payments, utility service requests, business licenses, parking tickets, building permits, dog licensing, fire permit fees, classes, and special events.
County layer · Cars and driving · Reviewed July 6, 2026
Fairfield FAST mixes fixed routes with FAST Connect
Fairfield's FAST system combines fixed local bus routes, on-demand FAST Connect zones, real-time arrivals, and trip-planning tools.
Almanac notes
Stories and local context near Vacaville
Place note · History and culture
The Vacaville Museum widens the story beyond one town
The Vacaville Museum preserves Solano County history and culture, giving Vacaville a local doorway into farms, towns, families, and change across the county.
Place note · History and culture
Vacaville's Nut Tree began as a roadside fruit stand
The Nut Tree grew from a small 1921 fruit stand into a famous I-80 stop, making Vacaville part of California's roadside travel memory.
Place note · Outdoors
Lagoon Valley gives Vacaville a lake, trails, and Pena Adobe history
Lagoon Valley Park in Vacaville combines a non-motorized lake, multi-use trails, dog space, picnic areas, and the Pena Adobe Historic Area.
County layer · History and culture
The Jelly Belly factory gives Fairfield a sweet factory-tour stop
Fairfield's Jelly Belly Visitor Center connects candy history, self-guided factory tours, a public tour lane, and a family-friendly stop near I-80.
County layer · History and culture
Vallejo's old City Hall holds a Navy town's memory
The Vallejo Naval and Historical Museum connects local life with Mare Island, U.S. Navy history, city stories, and downtown heritage.
County layer · History and culture
Dixon May Fair keeps an old farm-town tradition alive
Dixon May Fair connects the city to California fair history, agriculture, community events, nearby Solano and Yolo County towns, and a long-running local gathering.
County layer · History and culture
Rio Vista kept its river-view name after moving to higher ground
Rio Vista began near Cache Slough, later moved to higher ground, and grew into a Sacramento River Delta town with a bridge, fishing, and river traffic.
County layer · History and culture
Travis gives Fairfield a major airlift story
Travis Air Force Base began as Fairfield-Suisun Army Air Base in World War II, and the Heritage Center helps connect Fairfield to aircraft, airlift, and Pacific history.