California
Buying Land in Tehama County, California
Tehama County, seat Red Bluff, is one of California's most consistently agricultural and ranching-oriented Sacramento Valley counties -- cattle country on the valley floor and foothills, with the Sacramento River running through its center and irrigated agriculture, including the Corning area's long-established olive industry, along the valley's western side.
Cattle ranching and Williamson Act rangeland
Tehama County has long been one of the more consistently ranching-oriented counties in the Sacramento Valley, with cattle grazing operations spanning both the oak-woodland foothills and significant stretches of valley-floor rangeland. A substantial share of this land is enrolled under the Williamson Act, the 1965 state law that trades a reduced, income-based property-tax assessment for a rolling multi-year commitment to keep land in agricultural or grazing use.
For a buyer, a Williamson Act contract runs with the land and constrains near-term rezoning or subdivision for non-agricultural use. Confirm a specific parcel's zoning district, minimum-lot-size rules, and Williamson Act status directly with the Tehama County Planning Department and Assessor before assuming it could be repurposed for residential or other development.
The Sacramento River, irrigation infrastructure, and Corning-area agriculture
The Sacramento River runs through the center of Tehama County, past Red Bluff, and federal Central Valley Project infrastructure -- including canal systems serving both sides of the valley -- delivers irrigation water to portions of the county's agricultural land. The Corning area on the valley's west side has a long-established identity built around olive production, alongside other orchard and field crops elsewhere in the county.
Water availability for a specific parcel depends heavily on whether it falls within an irrigation district's service area versus relying on groundwater alone, and on the Sacramento River's own significance as a major salmon and steelhead fishery, which shapes riparian-corridor development restrictions. Confirm irrigation-district boundaries, water-delivery entitlements, and any riparian setback requirements directly with the relevant district and the county before valuing agricultural land near the river.
Foothills, forest transition, and wildfire exposure
Tehama County's terrain rises on both sides of the valley floor -- into the southern Cascade foothills toward Lassen Volcanic National Park to the east, and toward the Coast Range and Mendocino National Forest to the west. These foothill and forested areas carry meaningfully different zoning, access, and water-feasibility considerations than the irrigated valley floor, along with real wildfire exposure that the broader Northern California region has experienced repeatedly in recent years.
For any parcel in the foothill or forested portions of the county, confirm current Fire Hazard Severity Zone mapping, defensible-space requirements, and any California building-code wildland-urban-interface provisions directly with Cal Fire and the county building department, rather than relying on general regional reputation for fire risk.
Who to Call Before Buying Land in Tehama County
Wildfire hazard-zone and defensible-space questions for foothill and forested parcels are best confirmed with Cal Fire in addition to the county building department, since hazard-zone maps are maintained at the state level.
Planning & Zoning
Tehama County Planning Department
Zoning designations, Williamson Act contract status, and subdivision or building feasibility for a specific parcel.
Septic / Onsite Wastewater
Tehama County Environmental Health Division
Septic (OWTS) permitting and well permitting for a specific parcel.
Other
Cal Fire -- Tehama-Glenn Unit
Fire Hazard Severity Zone designation and defensible-space requirements for a specific parcel.
Recorder / Clerk / Land Records
Tehama County Clerk-Recorder
Recorded deed, Williamson Act contract, and parcel history.
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Get local guidanceSources
- Tehama County, California -- official county government site — County of Tehama, CA (accessed 2026-09)
- California Land Conservation (Williamson) Act Program — Governor's Office of Land Use and Climate Innovation (accessed 2026-09)
- Sustainable Groundwater Management Act (SGMA) — California Department of Water Resources (accessed 2026-09)
- Fire Hazard Severity Zones — Cal Fire (accessed 2026-09)
- Central Valley Project — U.S. Bureau of Reclamation (accessed 2026-09)
Last reviewed 2026-09