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Single Family ResidenceResidential
$801,405$691 / 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 86How 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 $282,500 on Nov 26, 1997

339 FORREST AVE

FAIRFAX, CA 94930
3
Beds
2
Baths
1,160 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1917
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$801K
$686K low$916K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$282,500 · Nov 26, 1997

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,810 (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.$456,002 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$279,246
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$176,756
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$447,061

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.Contemporary
CountyMARIN
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.1937
Lot (acres)The size of the land the home sits on, from county records.0.16
HeatingThe type of heating system in the home.Floor/Wall Furnace
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 208 ft²Patio · 208 ft²

Transaction History(3)

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
Archie Williams High SchoolA-
High · Grades 9–12 · 0.9 mi
E
Brookside Elementary SchoolA
Elementary · Grades KG–5 · 0.9 mi
M
White Hill Middle SchoolA
Middle · Grades 6–8 · 1.7 mi

District: Tamalpais Union High School District

Neighborhood · ZIP 94930These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.415

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.8,117
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.450 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$136,561
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$156,898
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

339 Forrest 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.

  • Worth less than 89% of homes in Fairfax 94930
  • Costs less per square foot than 69% of homes in Fairfax 94930
  • Smaller than 86% of homes in Marin County
  • Older than 94% of homes in Marin County

What homes are worth in Fairfax 94930

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

This home
$637K$2.7M

This home is worth more than 11% of homes in Fairfax 94930.

How it measures up in Fairfax 94930

The dot is this home. The mark in the middle is the typical home in Fairfax 94930.

Estimated value$801,405
CheaperTypical $1,172,151Pricier

Pricier than 11% of homes nearby

Price per ft²$691
CheaperTypical $766Pricier

Pricier than 31% of homes nearby

Living area1,160 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.16 ac
SmallerTypical 0.17 acBigger

Bigger than 45% of homes nearby

Year built1917
OlderTypical 1954Newer

Newer than 9% of homes nearby

How 339 Forrest Ave ranks against every home in each area.
MeasureThis homeFairfax 94930Marin County
Estimated valuepricier than$801,40511% of homes15% of homes
Price per ft²pricier than$69131% of homes39% of homes
Living areabigger than1,160 ft²22% of homes14% of homes
Lot sizebigger than0.16 ac45% of homes38% of homes
Year builtnewer than19179% of homes6% of homes

About 339 Forrest Ave

How much is 339 Forrest Ave, Fairfax, CA worth?

The TopHap Estimate for 339 Forrest Ave, Fairfax, CA is $801,405 as of Sep 24, 2026. The likely range is $686,371 to $916,439. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 339 Forrest Ave, Fairfax, CA last sell?

339 Forrest Ave, Fairfax, CA last sold on Nov 26, 1997 for $282,500, according to the county's recorded deed.

How big is 339 Forrest Ave, Fairfax, CA?

339 Forrest Ave, Fairfax, CA has 3 bedrooms, 2 bathrooms, 1,160 square feet of living space and a 0.16-acre lot.

When was 339 Forrest Ave, Fairfax, CA built?

339 Forrest Ave, Fairfax, CA was built in 1917, making it 109 years old. It is a contemporary home. The building has 2 stories.

What schools serve 339 Forrest Ave, Fairfax, CA?

339 Forrest Ave, Fairfax, CA is assigned to Archie Williams High School (high), rated A-; Brookside Elementary School (elementary), rated A; White Hill Middle School (middle), rated A. All sit in Tamalpais Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 339 Forrest Ave, Fairfax, CA compare to other homes in Fairfax 94930?

Among the 3,028 homes in Fairfax 94930, it is worth more than 11% of them ($801,405 against a typical $1,172,151), its price per square foot is higher than 31% of them ($691 against a typical $766), it is bigger than 22% of them (1,160 ft² against a typical 1,568 ft²), its lot is bigger than 45% of them (0.16 ac against a typical 0.17 ac) and it is newer than 9% of them (1917 against a typical 1954). Measured against all of Marin County, it is worth more than 15% 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 339 Forrest Ave, Fairfax, CA?

The 2025 property tax bill for 339 Forrest Ave, Fairfax, CA was $8,810. The county assessed it at $456,002.

More homes on Forrest Ave

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Assigned schools

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