City
Clearlake
Clearlake 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 Clearlake, 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
16,893
Land area
10.129 sq mi
Water area
0.451 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.
Lake 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 Clearlake
Practical notes
Office, map, permit, and paperwork notes for Clearlake
Place note · Outdoors · Reviewed July 1, 2026
Austin Park is Clearlake's big lakeshore lawn
Austin Park gives Clearlake a broad public place on Lakeshore Drive, with beach space, play areas, courts, shade, paths, and community events.
Place note · Outdoors · Reviewed July 1, 2026
Clear Lake water days work better with a bloom check
Clear Lake is a Lake County landmark, but shoreline conditions and harmful algal bloom notices can change by season, weather, and location.
County layer · History and culture · Reviewed July 1, 2026
Lakeport's old courthouse holds a county memory room
The Historic Courthouse Museum in downtown Lakeport helps Lake County tell its Native American, geologic, pioneer, and courtroom stories in one place.
Almanac notes
Stories and local context near Clearlake
Place note · Outdoors
Redbud Park gives Clearlake an easy lakefront door
Redbud Park puts Clearlake close to the everyday side of Clear Lake, with a launch, pier, picnic space, shade, and room to watch the water.
County layer · Outdoors
Lakeport keeps its downtown turned toward Clear Lake
Lakeport's parks and lakefront gathering spaces show why the city works as a small county-seat town with a strong Clear Lake rhythm.
County layer · History and culture
The Geysers turn mountain steam into power
The Geysers near the Lake and Sonoma county line turned a long-known thermal area into one of California's most important geothermal power stories.