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Single Family ResidenceResidential
$3,477,669$868 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $3,426,000 on Jun 20, 2024

421 RANCH RD

MAMMOTH LAKES, CA 93546
4
Beds
4.5
Baths
4,006 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
2017
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$3.5M
$3M low$3.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,426,000 · Jun 20, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$39,714 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$3,564,410 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$624,240
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,940,170
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,494,520

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMONO
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2018
Lot (acres)The size of the land the home sits on, from county records.0.30
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Mammoth High SchoolA
High · Grades 9–12 · 1.5 mi
M
Mammoth Middle SchoolB
Middle · Grades 6–8 · 1.5 mi
E
Mammoth Elementary SchoolC
Elementary · Grades KG–5 · 1.6 mi

District: Mammoth Unified School District

Neighborhood · ZIP 93546These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.86
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.381

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.34%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.8,458
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.25 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,113
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$117,819
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.24 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

421 Ranch Rd measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Among the most valuable homes in Mammoth Lakes 93546
  • Costs more per square foot than 93% of homes in Old Mammoth
  • Bigger than 97% of homes in Mammoth Lakes 93546
  • Has a bigger lot than 89% of homes in Mammoth Lakes 93546
  • Newer than 97% of homes in Old Mammoth

What homes are worth in Mammoth Lakes 93546

Each bar is how many homes fall in that price range. The marker is this home.

This home
$367K$2.7M

This home is worth more than almost all homes in Mammoth Lakes 93546.

How it measures up in Mammoth Lakes 93546

The dot is this home. The mark in the middle is the typical home in Mammoth Lakes 93546.

Estimated value$3,477,669
CheaperTypical $816,236Pricier

Pricier than almost all homes nearby

Price per ft²$868
CheaperTypical $619Pricier

Pricier than 88% of homes nearby

Living area4,006 ft²
SmallerTypical 1,348 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.3 ac
SmallerTypical 1,263 ft²Bigger

Bigger than 89% of homes nearby

Year built2017
OlderTypical 1980Newer

Newer than 97% of homes nearby

How 421 Ranch Rd ranks against every home in each area.
MeasureThis homeOld MammothMammoth Lakes 93546Mono County
Estimated valuepricier than$3,477,66996% of homesalmost all homesalmost all homes
Price per ft²pricier than$86893% of homes88% of homes90% of homes
Living areabigger than4,006 ft²94% of homes97% of homes97% of homes
Lot sizebigger than0.3 ac78% of homes89% of homes79% of homes
Year builtnewer than201797% of homes97% of homes97% of homes

About 421 Ranch Rd

How much is 421 Ranch Rd, Mammoth Lakes, CA worth?

The TopHap Estimate for 421 Ranch Rd, Mammoth Lakes, CA is $3,477,669 as of Jul 14, 2026. The likely range is $3,036,902 to $3,918,436. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Ranch Rd, Mammoth Lakes, CA last sell?

421 Ranch Rd, Mammoth Lakes, CA last sold on Jun 20, 2024 for $3,426,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 421 Ranch Rd, Mammoth Lakes, CA?

421 Ranch Rd, Mammoth Lakes, CA has 4 bedrooms, 4.5 bathrooms, 4,006 square feet of living space and a 0.30-acre lot.

When was 421 Ranch Rd, Mammoth Lakes, CA built?

421 Ranch Rd, Mammoth Lakes, CA was built in 2017, making it 9 years old. The building has 2 stories.

What schools serve 421 Ranch Rd, Mammoth Lakes, CA?

421 Ranch Rd, Mammoth Lakes, CA is assigned to Mammoth High School (high), rated A; Mammoth Middle School (middle), rated B; Mammoth Elementary School (elementary), rated C. All sit in Mammoth Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Ranch Rd, Mammoth Lakes, CA compare to other homes in Mammoth Lakes 93546?

Among the 9,465 homes in Mammoth Lakes 93546, it is worth more than almost all of them ($3,477,669 against a typical $816,236), its price per square foot is higher than 88% of them ($868 against a typical $619), it is bigger than 97% of them (4,006 ft² against a typical 1,348 ft²), its lot is bigger than 89% of them (0.3 ac against a typical 1,263 ft²) and it is newer than 97% of them (2017 against a typical 1980). Measured against all of Mono County, it is worth more than almost all homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 421 Ranch Rd, Mammoth Lakes, CA?

The 2025 property tax bill for 421 Ranch Rd, Mammoth Lakes, CA was $39,714. The county assessed it at $3,564,410.

More homes on Ranch Rd

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More homes in Mammoth Lakes 93546

Assigned schools

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