County · code 06003
Alpine CountyCalifornia
Alpine County is a county in California, formed in 1864 with its seat in Markleeville. The county was named after the Alps.
- Founded1864
- County seatMarkleeville
- Named forAlps
- Land area738 sq mi + 4.9 sq mi water
- Population1,204 2020 Census
- Parcels mapped2,323 checked 16 October 2026
Where it is
Alpine on the map of California
California has 58 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1864 from Amador County, Calaveras County, El Dorado County, Mono County and Tuolumne County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Alpine County was created in 1864 from portions of Amador, Calaveras, El Dorado, Mono, and Tuolumne counties. In 1995, Alpine County gained a small area from Amador County through an ordinance that took effect on November 17, 1995.
- 1864Alpine County created Alpine created from Amador, Calaveras, El Dorado, Mono, and Tuolumne. · Calif. Stats. 1863-1864, 15th sess., ch. 180/pp. 178-182
- 1995Gained territory Alpine gained small area from Amador. Ordinance passed 3 October 1995; effective 17 November 1995. · Minutes of the Board of Supervisors, Amador County, 3 October 1995, ordinance 1390
Land and parcels
What the maps cover in Alpine
Who publishes each layer, how good it is, and when we last checked.
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Parcels Fallback
Lot lines and tax-map numbers for 2,323 parcels from Alpine County. Drawn for tax purposes: usually within a few feet of a survey, but not a survey. This copy is a fallback, not the county's own: use it as a guide and check the official record.
edited 11 May 2022 · checked 16 October 2026 -
Address points Missing
No public address points layer found for Alpine County yet.
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Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Alpine by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Who to ask before you build, dig or sell
Official county pages only. We link to them; we do not copy them, because they change.
Inside a city or town, permits usually come from that city rather than the county.
Records
Permits
- Health department: septic and well
Behavioral Health - Bear Valley
- A Building Permit
- A Business Permit
- Well Permits
- Well Permits
Zoning and code
GIS and maps
County government
- County government
The official website of Alpine County.
See your own lot on these maps
Open Alpine County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Alpine County
- When was Alpine County founded?
- Alpine County was founded in 1864, formed from Amador County, Calaveras County, El Dorado County, Mono County and Tuolumne County, and named after Alps.
- What is the county seat of Alpine County?
- The county seat of Alpine County is Markleeville.
- Is there an online parcel map for Alpine County?
- Yes. Alpine County publishes a parcel map of 2,323 parcels, rated fallback here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Alpine County's boundary or name changed?
- Alpine County was created in 1864 from Amador County, Calaveras County, El Dorado County, Mono County and Tuolumne County. Since then the Atlas of Historical County Boundaries records 1 later change, most of them small boundary adjustments, chiefly involving Amador County.
- Who issues building permits in Alpine County?
- The county's page on building permits: A Building Permit. Inside a city or town, ask that city first.
- Who issues septic and well permits in Alpine County?
- The county's page on septic systems and wells: Behavioral Health - Bear Valley.
- Is my lot in a flood zone?
- We do not have flood maps for Alpine County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby