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Single Family ResidenceResidential
$861,348$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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $920,000 on Feb 15, 2024

540 BARTOLINI ST

MARTINEZ, CA 94553
3
Beds
3
Baths
2,392 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1962
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
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

$861K
$809K low$914K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$920,000 · Feb 15, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,898 (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.$787,571 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$267,371
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$520,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$938,400

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.33
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
72
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
38
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
43
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.1985
Lot (acres)The size of the land the home sits on, from county records.0.18
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(10)

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.

M
Martinez Junior High SchoolB
Middle · Grades 6–8 · 0.4 mi
H
Alhambra High SchoolA-
High · Grades 9–12 · 0.6 mi
E
John Muir Elementary SchoolB
Elementary · Grades KG–5 · 0.7 mi

District: Martinez Unified School District

Neighborhood · ZIP 94553These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.490

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.49,416
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.869 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$125,557
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,117
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.23 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

540 Bartolini St 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 72% of homes in Martinez 94553
  • Costs less per square foot than 93% of homes in Martinez 94553
  • Bigger than 88% of homes in Martinez 94553
  • Has a bigger lot than 69% of homes in Martinez 94553
  • Older than 72% of homes in Contra Costa County

What homes are worth in Martinez 94553

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

This home
$364K$1.6M

This home is worth more than 72% of homes in Martinez 94553.

How it measures up in Martinez 94553

The dot is this home. The mark in the middle is the typical home in Martinez 94553.

Estimated value$861,348
CheaperTypical $717,551Pricier

Pricier than 72% of homes nearby

Price per ft²$360
CheaperTypical $463Pricier

Pricier than 7% of homes nearby

Living area2,392 ft²
SmallerTypical 1,546 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.18 ac
SmallerTypical 0.15 acBigger

Bigger than 69% of homes nearby

Year built1962
OlderTypical 1973Newer

Newer than 33% of homes nearby

How 540 Bartolini St ranks against every home in each area.
MeasureThis homeMartinez 94553Contra Costa County
Estimated valuepricier than$861,34872% of homes60% of homes
Price per ft²pricier than$3607% of homes26% of homes
Living areabigger than2,392 ft²88% of homes75% of homes
Lot sizebigger than0.18 ac69% of homes63% of homes
Year builtnewer than196233% of homes28% of homes

About 540 Bartolini St

How much is 540 Bartolini St, Martinez, CA worth?

The TopHap Estimate for 540 Bartolini St, Martinez, CA is $861,348 as of Aug 30, 2026. The likely range is $808,548 to $914,148. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 540 Bartolini St, Martinez, CA last sell?

540 Bartolini St, Martinez, CA last sold on Feb 15, 2024 for $920,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 540 Bartolini St, Martinez, CA?

540 Bartolini St, Martinez, CA has 3 bedrooms, 3 bathrooms, 2,392 square feet of living space and a 0.18-acre lot.

When was 540 Bartolini St, Martinez, CA built?

540 Bartolini St, Martinez, CA was built in 1962, making it 64 years old. The building has 1 story.

What schools serve 540 Bartolini St, Martinez, CA?

540 Bartolini St, Martinez, CA is assigned to Martinez Junior High School (middle), rated B; Alhambra High School (high), rated A-; John Muir Elementary School (elementary), rated B. All sit in Martinez Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 540 Bartolini St, Martinez, CA compare to other homes in Martinez 94553?

Among the 16,279 homes in Martinez 94553, it is worth more than 72% of them ($861,348 against a typical $717,551), its price per square foot is higher than 7% of them ($360 against a typical $463), it is bigger than 88% of them (2,392 ft² against a typical 1,546 ft²), its lot is bigger than 69% of them (0.18 ac against a typical 0.15 ac) and it is newer than 33% of them (1962 against a typical 1973). Measured against all of Contra Costa County, it is worth more than 60% 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 540 Bartolini St, Martinez, CA?

The 2025 property tax bill for 540 Bartolini St, Martinez, CA was $11,898. The county assessed it at $787,571.

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