Outline and lengths from the county parcel map.

319.5 acres of land near Mammoth Lakes, Mono County

430 Sherwin Creek Road, Mammoth Lakes, CA · Parcel 022220033000

County file October 2026

Acres319.5
Land typeOtherThe county file's use code is not one of our land types (vacant, farm, building, institutional)
ZoningWe have not collected a zoning map for City of Mammoth Lakes yet
Flood zoneEdge of flood zone A (2%)The rest: X (98%, minimal flood hazard)
WetlandsUnder 1% of the parcelNational Wetlands Inventory
Assessed value (county)No assessed value in the county file we use (as of Oct 2026)Mono 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 Mono County yet
Road accessHas road accessRoads: US Census TIGER/Line 2026 roads, Oct 2026
Road frontage1,424 ft on Sherwin Creek Rd
Who zones itInside the City of Mammoth Lakes limits; Mammoth Lakes sets the zoning

Can I build?

Fronts a public road
Zoning not on file
2% in a FEMA flood zone, under 1% wetlands
Soils very limited for septic

Land facts

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

Section, township, rangeTownship 4 South, Range 27 East, 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. Inside the City of Mammoth Lakes limits: a soil rating, not a sewer check; ask the city whether a sewer main serves the lot
Ground elevationAbout 7,720–8,147 ft above sea level; average slope 14.4%USGS 3DEP 1/3 arc-second (about 10 m), NAVD88; about ±1–2 ft · 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 areaInside an eligible areaHousehold income limits also apply. USDA Rural Development map, edited Jul 2023.
Well depth nearbyMedian 402 ft (middle half 275–420 ft)From 5 household well logs within 3 mi, drilled 1956–1999. Area figures, not this parcel. California DWR well completion reports.
Public land nearbyInside the mapped boundary of Inyo National ForestForest Service, open to the public. 423,432 acres. Being nearby does not give access or hunting rights. USGS protected areas map (PAD-US 4.1).

School district and farmland

Public federal records, each with its source and date.

School districtMammoth Unified School DistrictGrades K–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 Glean family, 0 to 50 percent slopes., about 92% of the parcel · USDA NRCS soil survey (SSURGO), survey area CA732, version Sep 2026
Crop productivity (NCCPI)0.09 of 1National Commodity Crop Productivity Index 3.0 of the main soil, Glean family; higher is more productive for non-irrigated commodity crops · USDA NRCS soil survey (SSURGO), version Sep 2026
Land capability classClass 7e of 8: unsuited to tilled crops (erosion)Non-irrigated, Glean family; class 1 has the fewest limits · USDA NRCS soil survey (SSURGO), version Sep 2026

District details at NCES: Mammoth Unified School District

Crops and forest

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

Land cover (CDL)Shrubland 2021–2025No 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
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)

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 Southern California Edison Co (approximate)Investor-owned utility · HIFLD electric retail service territories, frozen 2025 copy, edited Aug 2025; approximate, confirm with the utility.

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 (land parcels only)Groundwork check of public lists: U.S. EPA, as of Oct 2026; California Department of Conservation, Geologic Energy Management Division (CalGEM), as of Oct 15, 2026; USGS Gap Analysis Project, as of 2025; California Department of Toxic Substances Control (DTSC), as of Oct 17, 2026; California State Water Resources Control Board, as of Jan 26, 2023
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

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Land price (est.)No price estimate for this parcel yetNot a Pro lock: no plan has a price for this parcel yet

Open on the map

In this area

Mammoth LakesParcels, flood and zoning1.1%in a FEMA flood zone10,396parcels 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

About this estimateHow the figure is made and what it leaves out

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. Pay or check a bill at the Mono County 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.

Who decides

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

Assessed value (Prop 13)

Mono 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.GIS data derived, modified, reduced, and/or processed from Mono County source data, available at http://gis.mono.ca.gov. Copyright Mono County 2012. Licensed CC BY-SA 4.0.

Zoning

Not shown: the state's map here is Mono County's, and the parcel is inside the City of Mammoth Lakes's limits. Check with the City of Mammoth Lakes.LCI California Zoning (New Classes), release Jan 15, 2026 · Q2 2022
General planNot shown: the state's map here is Mono County's, and the parcel is inside the City of Mammoth Lakes's limits. Check with the City of Mammoth Lakes.LCI California General Plan Land Use · Q2 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 Mammoth Lakes decides.

Single-family zoneZoning not confirmed on the state's map here. Check with the City of Mammoth Lakes.LCI California Zoning (New Classes), release Jan 15, 2026 · Q2 2022
Prime farmlandNot on the farmland map here; check with the City of Mammoth Lakes.DOC FMMP Important Farmland · 2022
WetlandsThe National Wetlands Inventory maps wetland on under 1% of the lot.USFWS National Wetlands Inventory · Oct 9, 2026
Fire hazard zoneNot in a mapped Very High zone, nor a High zone in the State Responsibility Area. A hazard map, not a risk score.CAL FIRE Fire Hazard Severity Zones · SRA Apr 1, 2024; LRA Mar 24, 2025 · Official map
Hazardous waste siteNone found near this parcel. Searched: EnviroStor cleanup and investigation sites (California Department of Toxic Substances Control (DTSC), as of Oct 17, 2026); GeoTracker cleanup cases (statewide snapshot) (California State Water Resources Control Board, as of Jan 26, 2023). GeoTracker cleanup cases (statewide snapshot) is a Jan 2023 snapshot: cases opened since then are not checked.California Department of Toxic Substances Control (DTSC); California State Water Resources Control Board · Jan 26, 2023 · Official map
Earthquake fault zoneCheck the California Geological Survey's earthquake fault zone map.CGS Alquist-Priolo · Official map
FEMA flood zonePartly in a FEMA Special Flood Hazard Area (zone A on 2% of the parcel): excluded unless the lot meets the flood standards (for example a Letter of Map Revision).FEMA National Flood Hazard Layer · Oct 10, 2026
FloodwayFloodway not measured for this lot here; check the FEMA map.FEMA National Flood Hazard Layer · Oct 10, 2026
Conservation easement or planNone 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
Protected species habitatCheck USFWS critical habitat.USFWS critical habitat · Official map
Historic propertyCheck with the City of Mammoth Lakes: no statewide layer lists historic landmarks and districts (AB 1061).No statewide layer
Tenants, rent control, Ellis ActCheck: whether a tenant lived here in the last 3 years, rent control and Ellis Act withdrawals are not in any public map. Ask the City of Mammoth Lakes.Not in public data
Lot split: urban areaOutside a 2020 Census urban area: the lot split needs a lot in an urbanized area or urban cluster.US Census 2020 urban areas · 2020
Lot split: lot sizeMapped lot area about 13,917,420 sq ft: two lots of at least 1,200 sq ft and 40% each could fit, on mapped lot area only.Parcel outline (county GIS) · Oct 11, 2026

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 Mammoth Lakes: 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

Fire

Fire Hazard Severity ZoneIn a mapped High 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 Mammoth Lakes. The High zone covers under 1% of the parcel. The parcel's centre is outside the mapped zones.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: GIS data derived, modified, reduced, and/or processed from Mono County source data, available at http://gis.mono.ca.gov. Copyright Mono County 2012. Licensed CC BY-SA 4.0.. Mono County data is shared under CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/); 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 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 for this census tract, not this parcel. As of Dec 2025.

Earthquake: Relatively high
Wildfire: Relatively moderate
Riverine flooding: Relatively moderate
Heat wave: Relatively low
Strong wind: Relatively low
Landslide: Very low
Drought: No ratingFEMA computed no expected annual loss for this census tract; not a statement about this parcel

About these ratingsFEMA's index and what it measures

Ratings come from FEMA's National Risk Index (v1.20, planning-level) and the 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: Fewer than 10In this census tract

Neighborhood (Census)

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

Median household income: $115,962± $19,311 · census tract (block group sample too small)
Median home value (owner-reported): $1,032,200± $120,026 · census tract (block group sample too small)
Median rent (gross): $1,663± $158 · census tract (block group sample too small)
Homes lived in by their owners: 100%± 0 pts · this block group
Median year homes were built: 1995± 4 yr · this block group
Average commute (one way): 10 min± 4 min · census tract (not published for block groups)
Population: 2,976± 475 · census tract (block group sample too small)

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.

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

GIS data derived, modified, reduced, and/or processed from Mono County source data, available at http://gis.mono.ca.gov. Copyright Mono County 2012. Licensed CC BY-SA 4.0., county file Oct 11, 2026.

Record

Public records can be wrong; check before you act.

Parcel: 022220033000

Coordinates: 37.6288° N, 118.9595° W