Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,554,524$360 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $1,555,500 on May 26, 2026

367 MT WASHINGTON WAY

CLAYTON, CA 94517
4
Beds
3
Baths
4,318 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.6M
$1.4M low$1.7M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,555,500 · May 26, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,913 (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.$1,075,894 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$470,444
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$605,450
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,054,799

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
81
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
46
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
40
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
14
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCONTRA COSTA
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.1994
Lot (acres)The size of the land the home sits on, from county records.0.24
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
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.Yes

Transaction History(11)

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

Foreclosure Filings(10)

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

M
Diablo View Middle SchoolA
Middle · Grades 6–8 · 0.7 mi
E
Mt. Diablo Elementary SchoolA+
Elementary · Grades KG–5 · 0.8 mi
H
Northgate High SchoolA
High · Grades 9–12 · 4.3 mi

District: Mount Diablo Unified School District

Neighborhood · ZIP 94517These 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.38
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.481

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.12,675
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.266 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$151,382
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$185,430
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.22 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

Owner Tools

Do you own this home?
Claim this home

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

367 Mt Washington Way 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 Dana Hills
  • Among the lowest price per square foot in Dana Hills
  • Among the largest homes in Dana Hills
  • Has a bigger lot than 77% of homes in Contra Costa County
  • Older than 77% of homes in Clayton 94517

What homes are worth in Clayton 94517

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

This home
$535K$1.8M

This home is worth more than 95% of homes in Clayton 94517.

How it measures up in Clayton 94517

The dot is this home. The mark in the middle is the typical home in Clayton 94517.

Estimated value$1,554,524
CheaperTypical $997,380Pricier

Pricier than 95% of homes nearby

Price per ft²$360
CheaperTypical $463Pricier

Cheaper than almost all homes nearby

Living area4,318 ft²
SmallerTypical 2,041 ft²Bigger

Bigger than almost all homes nearby

Lot size0.24 ac
SmallerTypical 0.24 acBigger

Bigger than 48% of homes nearby

Year built1974
OlderTypical 1980Newer

Newer than 23% of homes nearby

How 367 Mt Washington Way ranks against every home in each area.
MeasureThis homeDana HillsClayton 94517Contra Costa County
Estimated valuepricier than$1,554,524almost all homes95% of homes83% of homes
Price per ft²pricier than$360almost no homesalmost no homes26% of homes
Living areabigger than4,318 ft²almost all homesalmost all homes97% of homes
Lot sizebigger than0.24 ac34% of homes48% of homes77% of homes
Year builtnewer than197443% of homes23% of homes46% of homes

About 367 Mt Washington Way

How much is 367 Mt Washington Way, Clayton, CA worth?

The TopHap Estimate for 367 Mt Washington Way, Clayton, CA is $1,554,524 as of Sep 24, 2026. The likely range is $1,381,562 to $1,727,487. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 367 Mt Washington Way, Clayton, CA last sell?

367 Mt Washington Way, Clayton, CA last sold on May 26, 2026 for $1,555,500, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 367 Mt Washington Way, Clayton, CA?

367 Mt Washington Way, Clayton, CA has 4 bedrooms, 3 bathrooms, 4,318 square feet of living space and a 0.24-acre lot.

When was 367 Mt Washington Way, Clayton, CA built?

367 Mt Washington Way, Clayton, CA was built in 1974, making it 52 years old. The building has 2 stories.

What schools serve 367 Mt Washington Way, Clayton, CA?

367 Mt Washington Way, Clayton, CA is assigned to Diablo View Middle School (middle), rated A; Mt. Diablo Elementary School (elementary), rated A+; Northgate High School (high), rated A. All sit in Mount Diablo Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 367 Mt Washington Way, Clayton, CA compare to other homes in Clayton 94517?

Among the 4,550 homes in Clayton 94517, it is worth more than 95% of them ($1,554,524 against a typical $997,380), its price per square foot is higher than almost none of them ($360 against a typical $463), it is bigger than almost all of them (4,318 ft² against a typical 2,041 ft²), its lot is bigger than 48% of them (0.24 ac against a typical 0.24 ac) and it is newer than 23% of them (1974 against a typical 1980). Measured against all of Contra Costa County, it is worth more than 83% of 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 367 Mt Washington Way, Clayton, CA?

The 2025 property tax bill for 367 Mt Washington Way, Clayton, CA was $12,913. The county assessed it at $1,075,894.

More homes on Mt Washington Way

Closest homes

More homes in Clayton 94517

Assigned schools

Explore the area

See this home in context

Open 367 Mt Washington Way on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map