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Single Family ResidenceResidential
Last sold for $3,610,000 on Dec 8, 2025

314 W 39TH AVE

SAN MATEO, CA 94403
6
Beds
6 / 4
Baths
2,865 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
76
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,610,000 · Dec 8, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,867 (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.$3,610,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,380,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,230,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$872,647

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.31
11
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
19
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
24
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
42
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
60
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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.Duplex Single
CountySAN MATEO
Lot (acres)The size of the land the home sits on, from county records.0.17
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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.

E
Laurel Elementary SchoolD
Elementary · Grades KG–5 · 0.2 mi
M
Abbott Middle SchoolC
Middle · Grades 6–8 · 0.4 mi
H
Hillsdale High SchoolA-
High · Grades 9–12 · 0.6 mi

District: San Mateo-Foster City Elementary School District

Neighborhood · ZIP 94403These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.516

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.43,216
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,529 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$160,514
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$196,016
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.21 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

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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

314 W 39th Ave 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.

  • Bigger than 95% of homes in San Mateo 94403
  • Has a bigger lot than 77% of homes in Westwood Knolls
  • Among the oldest homes in Westwood Knolls

How it measures up in San Mateo 94403

The dot is this home. The mark in the middle is the typical home in San Mateo 94403.

Living area2,865 ft²
SmallerTypical 1,540 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.17 ac
SmallerTypical 0.14 acBigger

Bigger than 67% of homes nearby

Year built1910
OlderTypical 1955Newer

Older than almost all homes nearby

How 314 W 39th Ave ranks against every home in each area.
MeasureThis homeWestwood KnollsSan Mateo 94403San Mateo County
Living areabigger than2,865 ft²94% of homes95% of homes88% of homes
Lot sizebigger than0.17 ac77% of homes67% of homes64% of homes
Year builtnewer than1910almost no homesalmost no homesalmost no homes

About 314 W 39th Ave

When did 314 W 39th Ave, San Mateo, CA last sell?

314 W 39th Ave, San Mateo, CA last sold on Dec 8, 2025 for $3,610,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 314 W 39th Ave, San Mateo, CA?

314 W 39th Ave, San Mateo, CA has 6 bedrooms, 6 bathrooms, 2,865 square feet of living space and a 0.17-acre lot.

When was 314 W 39th Ave, San Mateo, CA built?

314 W 39th Ave, San Mateo, CA was built in 1910, making it 116 years old. It is a duplex single home. The building has 2 stories.

What schools serve 314 W 39th Ave, San Mateo, CA?

314 W 39th Ave, San Mateo, CA is assigned to Laurel Elementary School (elementary), rated D; Abbott Middle School (middle), rated C; Hillsdale High School (high), rated A-. All sit in San Mateo-Foster City Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 314 W 39th Ave, San Mateo, CA compare to other homes in San Mateo 94403?

Among the 11,697 homes in San Mateo 94403, it is bigger than 95% of them (2,865 ft² against a typical 1,540 ft²), its lot is bigger than 67% of them (0.17 ac against a typical 0.14 ac) and it is newer than almost none of them (1910 against a typical 1955). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 314 W 39th Ave, San Mateo, CA?

The 2025 property tax bill for 314 W 39th Ave, San Mateo, CA was $13,867. The county assessed it at $3,610,000.

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