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4.67-acre industrial lot near Windsor, Sonoma County

5621 Kittyhawk Blvd, Windsor, CA · Parcel 164-240-011

County file October 2026

  • Acres4.67
  • Land typeVacancy not verifiedNo building found, October 2026
  • ZoningHIHeavy industrial (state class)
  • Future land useHIIndustrial (state class)
  • Flood zonePartly in flood zone A (7%)The rest: X (93%)
  • Assessed value (county)$1.71MProp. 13 value, not a market price
  • Last saleNo recorded sale in the county file (as of Aug 2026)Sonoma County sales file
  • Road accessHas road accessRoads: US Census TIGER/Line 2026 roads, Oct 2026
  • Road frontage800 ft on Kittyhawk Blvd
  • BuildingNone on the roll
  • Who zones itInside the Town of Windsor limits; Windsor sets the zoning
  • Zoned byWindsor

Land facts

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

  • Section, township, rangeSection 19, Township 8 North, Range 8 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 109–113 ft above sea levelUSGS 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 97 ft (middle half 72–143 ft)97 household well logs within 1 mi, drilled 1950–2025; water level 32 ft below ground (California DWR well completion reports). Area figures, not this parcel
  • Public land nearbyAcorn Park, 0.7 miCity Land, open to the public, 49 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 districtMark West Union Elementary School District (grades K–6); Santa Rosa High School District (grades 7–12)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: Mark West Union Elementary School District, Santa Rosa 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 Town of WindsorPublic water system CA4910017 · Boundary verified by the State Water Board, Apr 2023 · California State Water Board water system area boundaries, edited Apr 2023. Not a water line at the lot

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 areaWindsorParcels, flood and zoning201vacant parcels4.2%in a FEMA flood zone8,965parcels 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: $1,706,145 ($1,706,145 land)

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

Who decides

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

Assessed value (Prop 13)

  • $1,706,1452026 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

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

Housing

  • SB 35 / SB 423 streamliningWindsor's SB 35 status: 10 percent (HCD determination, data last edited Jun 23, 2023; no newer layer found). A possible streamlined site is not evaluated here.HCD SB 35 determinations · Jun 23, 2023
  • Opportunity mapCTCAC/HCD opportunity area: Low Resource (used for tax-credit housing).CTCAC/HCD Opportunity Map 2026 · 2025-12

Fire

  • Fire Hazard Severity ZoneNot in a mapped Fire Hazard Severity Zone (CAL FIRE maps: SRA effective Apr 1, 2024, LRA dated Mar 24, 2025); this is a hazard map, not a risk score or an insurance rating.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 Town of Windsor: no statewide layer lists historic landmarks and districts.No statewide layer
  • Tenants and rent controlCheck with the Town of Windsor: 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
Very High
Drought
Relatively High
Wildfire
Relatively Moderate
Heat wave
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
21In this census tract
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
$113,772± $24,962 · census tract (block group sample too small)
Median home value (owner-reported)
$1,548,100± $704,597 · this block group
Median rent (gross)
$2,012± $376 · census tract (block group sample too small)
Homes lived in by their owners
100%± 0 pts · this block group
Median year homes were built
1960± 46 yr · this block group
Average commute (one way)
20 min± 7 min · census tract (not published for block groups)
Population
527± 205 · 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.

Every parcel page in Sonoma County (459)

About these numbersSources, county file October 2026

Assessed value

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

Assessed value $1,706,145 (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: 164-240-011

Coordinates: 38.5213° N, 122.7972° W