15.3 acres of land near Mountain View, Santa Clara County
231 N Whisman Rd, Mountain View, CA · Parcel 16052023
County file October 2026
At a glance
- BuildZoning ML: rules not on file · 16 buildings mapped (footprints)
- AccessFronts a public road
- ValueAssessed value not on file · no priced sale on file (as of Oct 2026)
- Acres15.3
- Land typeBuilding footprint foundMeasured from building footprints (Microsoft/OpenStreetMap, Sep 2026), not the county roll
- ZoningMLLight industrial (state class)
- Future land useOI-GIIndustrial (state class)
- Flood zoneX · minimal flood hazard
- WetlandsNone mappedNational Wetlands Inventory
- Assessed value (county)No assessed value in the county file we use (as of Oct 2026)Santa Clara County's open parcel layer publishes no assessed values
- Last saleNo priced sale on file (as of Oct 2026)We have no sale-price file for Santa Clara County yet
- Road accessHas road accessRoads: US Census TIGER/Line 2026 roads, Oct 2026
- Road frontage881 ft on N Whisman Rd
- Zoned byMountian View
Land facts
From public records and official maps, each with its source and date.
- Septic (soils)Not rated (urban land)USDA NRCS soil survey (SSURGO), septic absorption fields; map unit: Urban land-Stevenscreek complex, 0 to 2 percent slopes · Oct 2026
- Ground elevationAbout 71–78 ft above sea level; average slope 1.8%USGS 3DEP 1/3 arc-second (about 10 m), NAVD88; about ±1–2 ft · Oct 2026
- HighwaysCA 237 is 0.4 mi away and CA 237 interchange is 0.4 mi away, in a straight lineUS Census TIGER/Line 2026 roads · Oct 2026
Services and surroundings
What serves the area around this parcel, from federal and state maps. Area facts, not a survey of the lot.
- USDA home loan areaOutside the eligible areasHousehold income limits also apply. USDA Rural Development map, edited Jul 2023.
- Well depth nearbyMedian 198 ft (middle half 94–304 ft)From 27 household well logs within 3 mi, drilled 1951–2019; water level 38 ft below ground. Area figures, not this parcel. California DWR well completion reports.
- Public land nearbyMagnolia Park, 0.2 miCity land, open to the public. 127 acres. Being nearby does not give access or hunting rights. USGS protected areas map (PAD-US 4.1).
School district
Public federal records, each with its source and date.
- School districtMountain View Whisman Elementary School District (grades K–8); Mountain View-Los Altos Union 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: Mountain View Whisman Elementary School District, Mountain View-Los Altos Union 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 Mountain ViewPublic water system CA4310007 · Boundary verified by the State Water Board, May 2026 · California State Water Board water system area boundaries, edited May 2026. 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 flagsEPA Superfund (NPL) site boundary nearbyGroundwork check of public lists: U.S. EPA, as of Oct 14, 2026
- 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 Oct 15, 2026
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: 25 parcel cards a day on the map, with watches and a saved search
Home facts
Building footprints (Microsoft, OpenStreetMap) via Overture Maps, as of Sep 2026
- Buildings
- 16 buildings mapped · about 133,900 sq ft of footprint (largest 33,200 sq ft)Measured from building footprints (Microsoft/OpenStreetMap, Sep 2026), not the county roll
- Bedrooms, bathrooms, living area, year built
- Not in this county's published parcel file
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
How we compute this
Pay or check a bill at the Santa Clara County Department of Tax and Collections.
Due dates
Who decides
- City or countyInside the City of Mountain View's limitsThe City of Mountain View sets zoning, ADU and SB 9 rules.California Department of Technology city boundaries · Sep 21, 2026
Assessed value (Prop 13)
- Santa Clara County's open parcel layer publishes no assessed values. We don't have tested sale data for this county, so we don't show a price estimate.County of Santa Clara
Zoning
- ML (Mountian View's own code), state class “Light Industrial”. As of 7/16/2023, collected from City HUB. Verify with Mountian View: the state's classes are generalized.LCI California Zoning (New Classes), release Jan 15, 2026 · 7/16/2023
- General planOI-GI (Mountain View's own designation), state class “Industrial”. As of Q1 2022.LCI California General Plan Land Use · Q1 2022
SB 9 signals
What the public maps say about this lot. Not a determination of eligibility and not legal advice; only the City of Mountain View decides.
- Single-family zoneZoned ML, state class “Light Industrial”: not a single-family zone, and SB 9 applies only in single-family zones. Verify with the City of Mountain View.LCI California Zoning (New Classes), release Jan 15, 2026 · 7/16/2023
Gov. Code 65852.21 (two units) and 66411.7 (urban lot split), site exclusions in 65913.4(a)(6)(B)-(K); as amended by SB 450 (effective 2025-01-01) and AB 1061 (effective 2026-01-01, historic exclusion); Executive Order N-32-25 (2025 Los Angeles fires). Statute version read 2026-10-11.
Housing
- SB 35 / SB 423 streamliningCheck HCD's current determination for Mountain View: 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: Highest 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 CLARA VALLEY - SANTA CLARA (2-009.02); SGMA priority High; groundwater agency: Santa Clara Valley Water District GSA - Santa Clara.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
- 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 Mountain View: no statewide layer lists historic landmarks and districts.No statewide layer
- Tenants and rent controlCheck with the City of Mountain View: 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 Santa Clara
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 for this census tract, not this parcel. As of Dec 2025.
- Earthquake
- Relatively high
- Riverine flooding
- Relatively moderate
- Heat wave
- Relatively low
- Strong wind
- Very low
- Landslide
- Very low
- Wildfire
- No ratingNo expected annual loss computed for this tract
- Coastal flooding
- No ratingNo expected annual loss computed for this tract
- Drought
- No ratingNo expected annual loss computed for this tract
How we compute this
Recorded flood claims
OpenFEMA NFIP Redacted Claims v3, as of Sep 2026
- Claims since 1978
- Fewer than 10Insured buildings in this census tract
How we compute this
Neighborhood (Census)
Census ACS 2020–2024 5-year, as of Jan 2026
- Median household income
- $250,000 or more
- Median home value (owner-reported)
- $1,868,400± $261,206
- Median rent (gross)
- $3,500 or more
- Homes lived in by their owners
- 45%± 8 pts
- Median year homes were built
- 2006± 4 yr
- Average commute (one way)
- 21 min± 5 min · census tract (not published for block groups)
- Population
- 3,180± 529
Figures for the census block group around this parcel (a few hundred homes), not this property. This product uses Census Bureau data but is not endorsed or certified by the Census Bureau.
How we compute this
About these numbersSources, county file October 2026
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
County of Santa Clara, county file Oct 11, 2026.
Record
Public records can be wrong; check before you act.
Parcel: 16052023
Coordinates: 37.3940° N, 122.0582° W