California · County guide

Mariposa County

Mariposa County is Sierra foothill and mountain terrain approaching Yosemite. Rolling oak hills give way to steep granite canyons and high country. Paste an address or APN for a first-pass screen of zoning, land use, FEMA flood, CAL FIRE / WUI wildfire hazard, soils, slope, and geology — every line linked to the official source. Verify entitlements with Mariposa County planning before you buy or build.

Useful sources for searching Mariposa County: Official sources to verify buildability in Mariposa County ↓

About Mariposa County land & parcels

Mariposa County is Sierra foothill and mountain terrain approaching Yosemite. Rolling oak hills give way to steep granite canyons and high country.

What landowners and buyers usually check

In Mariposa County, buyers and landowners usually run the screens below early because Mariposa County is Sierra foothill and mountain terrain approaching Yosemite. Rolling oak hills give way to steep granite canyons and high country. Elevation spans About 500 ft in lower foothills to 11,000+ ft in the high Sierra, so two nearby APNs can need totally different diligence. Local pattern: Scenic canyon parcels often lack flat pads without blasting or major fill.

Zoning & general plan

Mariposa mixes urban, rural, and agricultural designations — city limits, county zoning, and ag overlays can sit minutes apart. Confirm which planning desk controls the APN before you assume city rules apply.

FEMA flood & drainage

Rivers, creeks, alluvial fans, and valley floors in Mariposa make flood and drainage screens a first-pass habit — adjacent lots can differ. Confirm FEMA on the polygon, not the ZIP code.

CAL FIRE / WUI wildfire

Mariposa has high-country timber and wildland exposure. CAL FIRE / WUI severity drives insurance, defensible space, and often design cost — screen every APN.

Parcel boundary & APN

Confirm you are looking at the correct APN and boundary against Mariposa County assessor records — listings and informal maps are wrong often enough to kill deals after deposits.

Soils (SSURGO)

Soils (SSURGO) flag septic, drainage, and grading constraints that photos miss. In Mariposa, soil map units often change across a single hillside or valley floor.

Slope, elevation & access

Screen slope and elevation on the APN in Parcel View, then confirm grading, driveway grades, and pad feasibility with Mariposa County planning and a licensed surveyor/engineer.

Geology & seismic

High-country and foothill geology in Mariposa can add rock, landslide, and foundation questions. Screen published CGS layers, then budget for site-specific study when the lot is steep.

Local terrain context

Mariposa spans patterns like “Oak-woodland foothill ranches” and “Merced River canyon and steep gorge walls.” Match the APN to the right landform story — valley-floor diligence differs from ridge or canyon lots.

Housing & land patterns

Median home

$388k

Median income

$68k

Ownership

75%

Median year built

1986

vs California

-49%

Terrain

Oak-woodland foothill ranches · Merced River canyon · Mid-elevation timber

Mariposa County is Sierra foothill and mountain terrain approaching Yosemite. Rolling oak hills give way to steep granite canyons and high country. Housing context: housing values well below the California ACS median, household incomes below the state average, a owner-heavy housing mix, and housing stock primarily built during the late 20th century.

Housing market

Median home value

$388k

$387,900

Much lower than CA

Median rent

$1,305/mo

Median household income

$68k

$68,412

Lower than CA

Vacancy rate

23.7%

California$760k
Mariposa$388k

-49% vs California ACS median

Housing characteristics
Owner-occupied75%
Renter-occupied25%
1986
19202025

Typical home age signal — not a forecast of new construction.

Affordability & housing mix

Home value ÷ income

5.7×

ACS proxy — median home value divided by median household income

Rent ÷ income

23%

Annual median gross rent as share of median household income

Rent burden 30%+

30%

Share of renter households paying 30% or more of income on gross rent

Derived ACS ratios for market context — not a proprietary cost-of-living index or lender qualification standard.

Single-family units76%
Multifamily units6%
Mobile homes15%

Units-in-structure mix from ACS — shares of total housing units, not new construction pipeline.

Lifestyle & investment

Families

  • Income levels vary — confirm school and commute fit locally
  • Neighborhood amenities and lot hazards still decide fit
  • Confirm attendance boundaries on the specific APN

Retirees

  • Housing stock centered around 1986 — maintenance needs vary
  • Walkability and healthcare access differ street to street
  • Review HOA rules, insurance, and parcel hazards before buying

Investors

  • Owner-heavy markets still need local rental comps
  • ACS median gross rent about $1,305/mo
  • Zoning, ADU rules, and insurance drive outcomes more than ACS averages

Builders

  • Scenic canyon parcels often lack flat pads without blasting or major fill
  • Verify zoning, setbacks, and utility access early
  • Geotechnical and grading reviews are common on hillside lots
Terrain & geography

Mariposa County is Sierra foothill and mountain terrain approaching Yosemite. Rolling oak hills give way to steep granite canyons and high country.

Elevation About 500 ft in lower foothills to 11,000+ ft in the high Sierra

01Oak-woodland foothill ranchesOak-woodland foothill ranches
02Merced River canyonMerced River canyon and steep gorge walls
03Mid-elevation timberMid-elevation timber and granite outcrops
04High Sierra approaches nearHigh Sierra approaches near Yosemite
Development checklist
  • Slope and grading feasibility
  • Flood exposure and drainage
  • Wildfire / WUI hazard
  • Liquefaction and geology where mapped
  • Zoning, setbacks, and overlays
  • Utility access (water, sewer/septic, power)
  • Geotechnical conditions on hillside or fill lots

Screen slope and elevation on the APN in Parcel View, then confirm grading, driveway grades, and pad feasibility with Mariposa County planning and a licensed surveyor/engineer.

Key takeaways

  • Housing prices in Mariposa County run below the California ACS median.
  • Terrain shifts across several landscapes — from oak-woodland foothill ranches to high sierra approaches near.
  • Parcel-specific screening for zoning, flood, wildfire, soils, and slope matters more than any countywide average.

Public GIS, assessor records, and Mariposa County planning information help buyers, investors, REALTORS®, and developers evaluate parcels before calling the planner.

What Parcel View checks in Mariposa County

🏛 Zoning & general plan

Reference zoning district and general plan land use from statewide LCI layers and Mariposa County planning data, so you can see how a lot is designated before you call the planner.

🌊 FEMA flood

FEMA National Flood Hazard Layer zones across the parcel, flagging Special Flood Hazard Areas that drive insurance and building requirements.

🔥 Wildfire hazard

CAL FIRE Fire Hazard Severity Zones and WUI context — critical across much of Mariposa County for insurance and defensible-space rules.

🌳 Soils

USDA SSURGO soil map units for a first look at septic suitability, drainage, and grading constraints.

⛰ Slope & topography

Screen slope and elevation on the APN in Parcel View, then confirm grading, driveway grades, and pad feasibility with Mariposa County planning and a licensed surveyor/engineer.

🪨 Geology & seismic

Mapped liquefaction, fault, and landslide layers where the state publishes them.

Official Mariposa County sources

Parcel View reads public GIS — it does not replace the county. Every screening links to the controlling source, and these are the authorities for Mariposa County:

People also ask about Mariposa County parcels

How do I check zoning on a Mariposa County parcel?

Screen the APN in Parcel View for a first-pass zoning/general-plan reference, then confirm the controlling district with Mariposa County planning. Overlays and specific plans can change what is allowed.

How do I check FEMA flood zones in Mariposa County?

Parcel View intersects the FEMA National Flood Hazard Layer with the parcel polygon. Verify Special Flood Hazard Areas and base flood elevations on the FEMA Map Service Center before financing or building.

How do I check wildfire hazard in Mariposa County?

Review CAL FIRE Fire Hazard Severity Zone context on the Parcel View screen, then confirm adopted maps with OSFM/CAL FIRE and ask Mariposa County planning how FHSZ or WUI rules affect your project.

Can Parcel View tell me if Mariposa County land is buildable?

No single map says “buildable.” Use Parcel View to flag zoning, flood, fire, soils, and geology constraints, then verify entitlements with Mariposa County planning and licensed professionals.

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