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51.8 acres of farm and timber land near Forestville, Sonoma County

7750 Martinelli Rd · Parcel 083-130-060

County file October 2026

  • Home21,645 sq ft · built 1980Living area of all buildings on the parcel
  • Acres51.8
  • Land typeFarm and timber
  • ZoningRRD B6 160Rural residential (state class)
  • Future land useRRD 160Open space and public lands (state class)
  • Flood zonePartly in flood zone AE (31%)The rest: X, 0.2% annual chance (4%) and X (65%, minimal flood hazard)
  • Wetlands1% of the parcelNational Wetlands Inventory
  • Assessed value (county)$2.7MProp. 13 value, not a market price · 2026 roll
  • Last sale$1.9M · Jun 2005
  • Road accessHas road accessRoads: US Census TIGER/Line 2026 roads, Oct 2026
  • Road frontage1,448 ft on Martinelli Rd
  • Who zones itSonoma CountyUnincorporated

Land facts

From public records and official maps, each with its source and date.

  • Section, township, rangeTownship 7 North, Range 9 West, Mount Diablo MeridianBLM PLSS (CadNSDI), at the parcel's center · Oct 2026
  • Septic (soils)Very limitedUSDA NRCS soil survey (SSURGO), septic absorption fields · Oct 2026
  • Ground elevationAbout 59–217 ft above sea level; average slope 20.6%USGS 3DEP 1/3 arc-second (about 10 m), NAVD88; about ±1–2 ft · Oct 2026

Services and surroundings

Public federal and state records, each with its source and date. Area facts, not a survey of this parcel.

  • USDA home loan areaInside an eligible areaUSDA Rural Development eligibility map, last edited Jul 2023, read Oct 2026. Household income limits also apply
  • Well depth nearbyMedian 60 ft (middle half 33–94 ft)43 household well logs within 1 mi, drilled 1951–2019; water level 17 ft below ground (California DWR well completion reports). Area figures, not this parcel
  • Public land nearbySteelhead Beach Fishing Access, 1.2 miState Fish and Wildlife, open to the public, 54 acres (USGS PAD-US 4.1). Nearby is not access, and never a hunting right

School district and farmland

Public federal records, each with its source and date.

  • School districtForestville Union Elementary School District (grades K–8); West Sonoma County Union High School District (grades 9–12)NCES EDGE school district boundaries, school year 2024–25 (Census TIGER 2025 lines), released Mar 2026. A district, not an assigned school
  • Farmland classNot prime farmlandMap unit Josephine loam, 9 to 30 percent slopes, about 39% of the parcel · USDA NRCS soil survey (SSURGO), survey area CA097, version Sep 2026
  • Crop productivity (NCCPI)0.78 of 1National Commodity Crop Productivity Index 3.0 of the main soil, Josephine; higher is more productive for non-irrigated commodity crops · USDA NRCS soil survey (SSURGO), version Sep 2026
  • Land capability classClass 4e of 8: very severe limits for crops (erosion)Non-irrigated, Josephine; class 1 has the fewest limits · USDA NRCS soil survey (SSURGO), version Sep 2026
  • Cropland rent$57.50 an acre a yearCounty average, non-irrigated, 2026 · USDA NASS county cash rents survey, released August 21, 2026
  • Pasture rent$23.50 an acre a yearCounty average, 2026 · USDA NASS county cash rents survey, released August 21, 2026

District details at NCES: Forestville Union Elementary School District, West Sonoma County Union High School District

Crops and forest

Public federal records, each with its source and year. Satellite classifications, not farm records.

  • Land cover (CDL)Shrubland 2023–2025; mixed forest 2022; shrubland 2021No crop in these years; the most common class in the 90 m around the parcel's map point, from satellite imagery · USDA NASS Cropland Data Layer 2021–2025
  • Forest type (LANDFIRE)Mediterranean California Mixed Evergreen ForestCalifornia Mixed Evergreen Forest and Woodland, conifer; the most common vegetation type in the 90 m around the map point · LANDFIRE 2024 Existing Vegetation Type (USGS / USFS)
  • Hydric soilsNone mappedShare of the outline on soils rated hydric: the soil test of a wetland determination and of an NRCS wetland reserve easement (ACEP-WRE) · USDA NRCS soil survey (SSURGO)
  • CRP rental rate (county)$71 an acre a yearThe county's 2026 average dryland soil rental rate (was $72): the base of a new Conservation Reserve contract's yearly rent; each field's rate follows its soils · USDA FSA, CRP 2026 county average soil rental rates

Utility service areas

Public service-area maps, each with its source and date. An area, not a connection at this parcel.

  • Electric service areaInside the service area of Pacific Gas & Electric Co. (approximate)Investor-owned utility · HIFLD electric retail service territories, frozen 2025 copy, edited Aug 2025; approximate, confirm with the utility
  • Water system areaInside the service area of Forestville Water DistrictPublic water system CA4910019 · Boundary verified by the State Water Board, Sep 2019 · California State Water Board water system area boundaries, edited Oct 2021. Not a water line at the lot

Environmental records

Public state and federal lists, each with its agency and date. Distances are from the parcel's map point; a record is not a finding about this parcel.

  • Red flags7 environmental lists checked · Water Board cases opened after January 2023 not checkedGroundwork check of public lists: U.S. EPA, as of 2026-10-14 and 2026-10-15; California Department of Conservation, Geologic Energy Management Division (CalGEM), as of 2026-10-15; U.S. Fish and Wildlife Service, as of 2026-08-31; USGS Gap Analysis Project, as of 2025; California Department of Toxic Substances Control (DTSC), as of 2026-10-17; California State Water Resources Control Board, as of 2023-01-26
  • Oil and gas wellsNone within 1/4 mi of the parcel's map pointGroundwork check of public lists: California Department of Conservation, Geologic Energy Management Division (CalGEM), as of 2026-10-15

Mapped ground hazards

State and federal geologic and well maps, each with its agency and date. Distances are from the parcel's map point; a mapped area is not a finding about this parcel.

  • Young faults (USGS)None mapped within 1 miUSGS: Quaternary Fault and Fold Database (historic and latest-Quaternary faults), read Oct 2026. USGS Quaternary Fault and Fold Database traces, mapped at 1:24,000 to 1:250,000; positions approximate. Not a state fault-zone (Alquist-Priolo) determination

Free account: this parcel’s sale history

Continue with Googleor use email

Land price (est.)No price estimate for this parcel yet
Open on the map
In this areaSonoma CountyParcels, flood and zoning12,509vacant-coded on the roll, not verified6.5%in a FEMA flood zone189,233parcels on the roll

Home facts

County of Sonoma · as of Oct 2026

Bedrooms
5 (all buildings)
Bathrooms
5 (all buildings)
Living area
21,645 sq ft, all buildings
Year built
1980
Buildings
2

Property tax

California Constitution art. XIII A (Prop 13) and the county assessment roll · 2026

Tax rate
About 1% of assessed value plus local voter-approved rates
If you buy
About 1% of the price you pay each year, plus local voter-approved ratesProp 13 resets the assessed value to the purchase price at a sale

The 1% general levy (Prop 13) plus the voter-approved rate of the parcel's tax rate area; bills also carry Mello-Roos and special assessments. California bills come from the county tax collector; we don't show bill amounts here.

California 2026-27 taxes: bills go out by November 1; first installment due by December 10, 2026, second by April 12, 2027; assessment appeals open until November 30, 2026. Pay or check a bill at the Sonoma County Auditor-Controller-Treasurer-Tax Collector.

Sources: California Revenue and Taxation Code 2617, 2618, 2619 and 1603; the State Board of Equalization’s 2026 appeal filing periods. Checked Oct 13, 2026.

Value history

2026: $2,701,409 ($1,421,796 land, $1,279,613 improvements)

Roll values set for property tax · Sonoma County assessment roll · as of Oct 2026

Who decides

  • City or countyUnincorporated Sonoma County (Forestville, a Census community, not a city)The county sets zoning, ADU and SB 9 rules.California Department of Technology city boundaries · Sep 21, 2026

Assessed value (Prop 13)

  • $2,701,4092026 roll · The county does not publish the base yearIn California this is not a market value. Under Prop 13 it starts at the purchase price and rises at most 2% a year, so long-held property is usually assessed far below what it would sell for. Sonoma County publishes recorded sale prices, and Pro lists recorded land sales nearby. We show an estimated land value range on land with no building, and a price range on homes, only where our pre-registered test passed.County of Sonoma (CC BY-SA 3.0 US) · 2026

Zoning

  • RRD B6 160 (Sonoma County's own code), state class “Rural residential”. As of Q2 2022, collected from GIS Hub. Verify with Sonoma County: the state's classes are generalized.LCI California Zoning (New Classes), release Jan 15, 2026 · Q2 2022
  • General planRRD 160 (Sonoma County's own designation), state class “Open space and public lands”. As of Q2 2022.LCI California General Plan Land Use · Q2 2022

ADU

  • Accessory dwelling unitsState ADU law (Gov. Code 66310-66342) applies to residential lots: at least 1 ADU + 1 JADU by right, subject to local standards. Check Sonoma County.HCD ADU Handbook (March 2026); Gov. Code 66310-66342

Housing

  • SB 35 / SB 423 streamliningCheck HCD's current determination for Sonoma County (unincorporated): the only map layer HCD publishes is its June 2023 determination, HCD has determined again since (June 2025), and under SB 423 a city or county without a compliant housing element must streamline projects with 10% affordable units. A possible streamlined site is not evaluated here.HCD SB 35 / SB 423 determinations · Jun 23, 2023 · Official map
  • Opportunity mapCTCAC/HCD opportunity area: High Resource (used for tax-credit housing).CTCAC/HCD Opportunity Map 2026 · 2025-12

Fire

  • Fire Hazard Severity ZoneIn a mapped Moderate Fire Hazard Severity Zone (CAL FIRE Fire Hazard Severity Zone map, State Responsibility Area, effective Apr 1, 2024).CAL FIRE Fire Hazard Severity Zones · SRA Apr 1, 2024; LRA Mar 24, 2025 · Official map

Groundwater

  • Not over a DWR Bulletin 118 groundwater basin; well rules here come from the county.DWR Bulletin 118 (2025), SGMA basin priority (2019), Groundwater Sustainability Agencies · B118 2025; SGMA priority 2019; GSA layer read Oct 11, 2026

Check before you buy

  • Earthquake fault zone (Alquist-Priolo)Check the California Geological Survey's official Earthquake Zones of Required Investigation map.Official map
  • Liquefaction / landslide zoneCheck the California Geological Survey's official Earthquake Zones of Required Investigation map. Many areas have not been evaluated by the state.Official map
  • Williamson Act contractCheck with the county assessor or planning department whether the parcel is under a Williamson Act contract.Official map

Owner: on the county assessment roll (not shown here). Request removal

Data: County of Sonoma (CC BY-SA 3.0 US). Sonoma County data is shared under CC BY-SA 3.0 US (https://creativecommons.org/licenses/by-sa/3.0/us/): credit “County of Sonoma”; anything built from it and shared in bulk carries the same licence.

Governor's Office of Land Use and Climate Innovation (LCI), California Zoning (New Classes). Zoning from the State of California's statewide zoning layer, provided as a public service for informational purposes only; it is not legal advice. Each jurisdiction's own zoning map governs.

Governor's Office of Land Use and Climate Innovation (LCI), California General Plan Land Use. General plan land use from the State of California's statewide layer, for informational purposes only; not legal advice. The jurisdiction's adopted general plan governs.

California Department of Housing and Community Development (HCD), SB 35 statewide determination. HCD's determination for the jurisdiction as published; a project's eligibility for streamlining is decided by the jurisdiction.

California Tax Credit Allocation Committee (CTCAC) and HCD, 2026 Opportunity Map. Used by CTCAC to score tax-credit housing applications; it describes the census tract, not the parcel.

California Department of Technology, California city boundaries (from CDTFA / BOE). City limits as compiled by the state for tax administration; the city and county confirm jurisdiction.

Hazards

FEMA National Risk Index v1.20, planning-level · For this census tract, not this parcel · as of Dec 2025

Riverine flooding
Very High
Earthquake
Relatively High
Landslide
Relatively High
Drought
Relatively High
Wildfire
Relatively Moderate
Heat wave
Relatively Low
Strong wind
Very Low
Coastal flooding
No RatingFEMA computed no expected annual loss for this census tract; not a statement about this parcel

Ratings are from public federal and state maps (named on each row), not a private climate model. FEMA rates each census tract from expected annual losses, community resilience and social vulnerability, for planning; it is not an assessment of this parcel.

Recorded flood claims

OpenFEMA NFIP Redacted Claims v3 · Insured buildings near this parcel, not the parcel itself · as of Sep 2026

Claims since 1978
43In this census block group
Outside the mapped flood zone
32%Rated zone X, B or C

Neighborhood (Census)

Census ACS 2020–2024 5-year · as of Jan 2026

Median household income
$130,208± $62,803 · this block group
Median home value (owner-reported)
$743,900± $110,997 · this block group
Median rent (gross)
$1,436± $595 · this block group
Homes lived in by their owners
82%± 9 pts · this block group
Median year homes were built
1959± 9 yr · this block group
Average commute (one way)
22 min± 8 min · census tract (not published for block groups)
Population
1,457± 534 · this block group

Figures for the census block group around this parcel (a few hundred homes), not this property. ± is the Census 90% margin of error; a figure comes from the larger census tract when the block group's sample is too small. This product uses Census Bureau data but is not endorsed or certified by the Census Bureau.

Nearby parcels

Land and farm parcels of 1 acre or more in Sonoma County, nearest first.

Land and farm parcels of 1 acre or more in Sonoma County: 459 parcel pages

About these numbersSources, county file October 2026

Assessed value

Assessed value (Prop. 13), not a market price. County file, October 2026.

Assessed value $2,701,409 (2026 roll; the county does not publish the base year). In California this is not a market value. Under Prop 13 it starts at the purchase price and rises at most 2% a year, so long-held property is usually assessed far below what it would sell for.

Parcel outline

The outline and its edge lengths are measured on the parcel map the map draws; the aerial loads from the public imagery named under it.

Source

Sonoma County of Sonoma, county file Oct 11, 2026.

Record

Public records can be wrong; check before you act.

Parcel: 083-130-060

Coordinates: 38.4796° N, 122.9054° W