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Single Family ResidenceResidential
$1,734,096$739 / 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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $875,000 on Oct 3, 2017

3278 MONTEVIDEO DR

SAN RAMON, CA 94583
4
Beds
4
Baths
2,345 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
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

$1.7M
$1.7M low$1.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$875,000 · Oct 3, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,976 (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.$1,150,504 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$731,165
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$419,339
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,075,593

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.43
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
64
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
44
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
48
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
62
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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
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.1995
Lot (acres)The size of the land the home sits on, from county records.0.25
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
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(9)

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
California High SchoolA
High · Grades 9–12 · 0.4 mi
E
Montevideo Elementary SchoolA+
Elementary · Grades KG–5 · 0.6 mi
M
Pine Valley Middle SchoolA+
Middle · Grades 6–8 · 1.0 mi

District: San Ramon Valley Unified School District

Neighborhood · ZIP 94583These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.642

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.3.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.40,588
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,502 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$165,274
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$193,526
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.25 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

3278 Montevideo Dr 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.

  • Worth more than 88% of homes in Southern San Ramon
  • Costs more per square foot than 87% of homes in Contra Costa County
  • Bigger than 82% of homes in Southern San Ramon
  • Has a bigger lot than 89% of homes in Southern San Ramon

What homes are worth in San Ramon 94583

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

This home
$406K$3.2M

This home is worth more than 82% of homes in San Ramon 94583.

How it measures up in San Ramon 94583

The dot is this home. The mark in the middle is the typical home in San Ramon 94583.

Estimated value$1,734,096
CheaperTypical $1,344,486Pricier

Pricier than 82% of homes nearby

Price per ft²$739
CheaperTypical $684Pricier

Pricier than 72% of homes nearby

Living area2,345 ft²
SmallerTypical 1,880 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.25 ac
SmallerTypical 0.16 acBigger

Bigger than 83% of homes nearby

Year built1976
OlderTypical 1979Newer

Newer than 37% of homes nearby

How 3278 Montevideo Dr ranks against every home in each area.
MeasureThis homeSouthern San RamonSan Ramon 94583Contra Costa County
Estimated valuepricier than$1,734,09688% of homes82% of homes87% of homes
Price per ft²pricier than$73961% of homes72% of homes87% of homes
Living areabigger than2,345 ft²82% of homes75% of homes74% of homes
Lot sizebigger than0.25 ac89% of homes83% of homes78% of homes
Year builtnewer than197654% of homes37% of homes49% of homes

About 3278 Montevideo Dr

How much is 3278 Montevideo Dr, San Ramon, CA worth?

The TopHap Estimate for 3278 Montevideo Dr, San Ramon, CA is $1,734,096 as of Oct 21, 2026. The likely range is $1,692,605 to $1,775,587. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3278 Montevideo Dr, San Ramon, CA last sell?

3278 Montevideo Dr, San Ramon, CA last sold on Oct 3, 2017 for $875,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3278 Montevideo Dr, San Ramon, CA?

3278 Montevideo Dr, San Ramon, CA has 4 bedrooms, 4 bathrooms, 2,345 square feet of living space and a 0.25-acre lot.

When was 3278 Montevideo Dr, San Ramon, CA built?

3278 Montevideo Dr, San Ramon, CA was built in 1976, making it 50 years old. It is a ranch home. The building has 1 story.

What schools serve 3278 Montevideo Dr, San Ramon, CA?

3278 Montevideo Dr, San Ramon, CA is assigned to California High School (high), rated A; Montevideo Elementary School (elementary), rated A+; Pine Valley Middle School (middle), rated A+. All sit in San Ramon Valley Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3278 Montevideo Dr, San Ramon, CA compare to other homes in San Ramon 94583?

Among the 12,589 homes in San Ramon 94583, it is worth more than 82% of them ($1,734,096 against a typical $1,344,486), its price per square foot is higher than 72% of them ($739 against a typical $684), it is bigger than 75% of them (2,345 ft² against a typical 1,880 ft²), its lot is bigger than 83% of them (0.25 ac against a typical 0.16 ac) and it is newer than 37% of them (1976 against a typical 1979). Measured against all of Contra Costa County, it is worth more than 87% 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 3278 Montevideo Dr, San Ramon, CA?

The 2025 property tax bill for 3278 Montevideo Dr, San Ramon, CA was $12,976. The county assessed it at $1,150,504.

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