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1.5-acre industrial lot near Sebastopol, Sonoma County

Parcel 004-011-020

County file October 2026

  • Acres1.5About 1.18 of 1.5 acres outside mapped wetlands and floodway
  • Land typeVacancy not verifiedNo building found, October 2026
  • ZoningMIndustrial
  • Future land useLIIndustrial (state class)
  • Flood zoneAE · 1% annual flood risk
  • Wetlands22% of the parcelNational Wetlands Inventory
  • Assessed value (county)$23.2kProp. 13 value, not a market price · 2026 roll
  • Last saleMay 2018 · No price shown: one price on the deed for several parcels together; it is not this parcel's priceOne price for the whole deed
  • Road accessNot confirmedRoads: US Census TIGER/Line 2026 roads, Oct 2026
  • BuildingNone on the roll
  • Who zones itInside the City of Sebastopol limits; Sebastopol sets the zoning
  • Zoned bySebastopol

Land facts

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

  • Section, township, rangeSection 35, Township 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 58–74 ft above sea level; average slope 7.6%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.

  • Well depth nearbyMedian 140 ft (middle half 80–200 ft)181 household well logs within 1 mi, drilled 1952–2025; water level 38 ft below ground (California DWR well completion reports). Area figures, not this parcel
  • Public land nearbyLaguna Wildlife Area, under 0.1 miState Fish and Wildlife, open to the public, 481 acres (USGS PAD-US 4.1). Nearby is not access, and never a hunting right

School district

Public federal records, each with its source and date.

  • School districtSebastopol 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

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

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 City of SebastopolPublic water system CA4910011 · Boundary verified by the State Water Board, Sep 2019 · California State Water Board water system area boundaries, edited Oct 2020. 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 flags6 environmental lists checked · Water Board cases opened after January 2023 not checked · habitat not checked (farm parcels and verified-vacant lots only)Groundwork 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; 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

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Land price (est.)No price estimate for this parcel yet
Open on the map
In this areaSebastopolParcels, flood and zoning88vacant-coded on the roll, not verified5.7%in a FEMA flood zone2,957parcels on the roll

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: $23,209 ($23,209 land)

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

Who decides

  • City or countyInside the City of Sebastopol's limitsThe City of Sebastopol sets zoning, ADU and SB 9 rules.California Department of Technology city boundaries · Sep 21, 2026

Assessed value (Prop 13)

  • $23,2092026 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

  • M (Sebastopol's own code), state class “Heavy Industrial”. As of Q1 2022, collected from Direct. Verify with Sebastopol: the state's classes are generalized.LCI California Zoning (New Classes), release Jan 15, 2026 · Q1 2022
  • General planLI (Sebastopol's own designation), state class “Industrial”. As of Q1 2022.LCI California General Plan Land Use · Q1 2022

Housing

  • SB 35 / SB 423 streamliningCheck HCD's current determination for Sebastopol: 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, Local Responsibility Area, dated Mar 24, 2025). Local Responsibility Area maps take effect when the city or county adopts them by ordinance, and the adopted map can differ from CAL FIRE's; check with the City of Sebastopol.CAL FIRE Fire Hazard Severity Zones · SRA Apr 1, 2024; LRA Mar 24, 2025 · Official map

Groundwater

  • Groundwater basin: SANTA ROSA VALLEY - SANTA ROSA PLAIN (1-055.01); SGMA priority Medium; groundwater agency: Santa Rosa Plain GSA.DWR Bulletin 118 (2025), SGMA basin priority (2019), Groundwater Sustainability Agencies · B118 2025; SGMA priority 2019; GSA layer read Oct 11, 2026 · Official map

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
  • Conservation easementNone in PAD-US 4.1 easements (USGS Gap Analysis Project, as of 2025) at this parcel's map point. PAD-US does not carry every easement or habitat plan: check CCED and the city or county too.USGS Gap Analysis Project · 2025 · Official map
  • Historic propertyCheck with the City of Sebastopol: no statewide layer lists historic landmarks and districts.No statewide layer
  • Tenants and rent controlCheck with the City of Sebastopol: tenancy and rent control are not in any public map.Not in public data

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.

California Department of Water Resources (DWR), SGMA 2019 basin prioritization. DWR's basin priority under the Sustainable Groundwater Management Act; well rules are set by the local groundwater agency and county.

Hazards

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

Earthquake
Very High
Riverine flooding
Relatively High
Wildfire
Relatively Low
Heat wave
Relatively Low
Drought
Relatively Low
Strong wind
Very Low
Landslide
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
29In this census block group
Outside the mapped flood zone
Fewer than 10Rated zone X, B or C

Neighborhood (Census)

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

Median household income
$98,750± $14,831 · census tract (block group sample too small)
Median home value (owner-reported)
$972,200± $387,516 · this block group
Median rent (gross)
$2,393± $168 · this block group
Homes lived in by their owners
44%± 10 pts · census tract (block group sample too small)
Median year homes were built
1970± 37 yr · this block group
Average commute (one way)
21 min± 9 min · census tract (not published for block groups)
Population
408± 153 · 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 $23,209 (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.

Land type

No building found: county roll (2026) and building footprints (Overture Maps with Microsoft and OpenStreetMap, Sep 2026) · County assessor roll; Overture Maps 2026-09-23.1

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: 004-011-020

Coordinates: 38.4060° N, 122.8184° W