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Duplex (2 Units, Any Combination)Residential
Last sold for $1,205,000 on Jun 7, 2016

399 FORREST AVE

FAIRFAX, CA 94930
3
Beds
2
Baths
1,492 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1909
Year BuiltThe year the home was originally built, according to county records.
1
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.$1,205,000 · Jun 7, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,181 (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.$1,454,965 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$965,952
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$489,013
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,426,442

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.55 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
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.1950
Lot (acres)The size of the land the home sits on, from county records.0.11
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 · 300 ft²Patio · 600 ft²

Transaction History(4)

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 · 1.0 mi
E
Brookside Elementary SchoolA
Elementary · Grades KG–5 · 1.1 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

399 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.

  • Smaller than 69% of homes in Marin County
  • Has a smaller lot than 80% of homes in Fairfax 94930
  • Among the oldest 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.

Living area1,492 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.11 ac
SmallerTypical 0.17 acBigger

Bigger than 20% of homes nearby

Year built1909
OlderTypical 1954Newer

Older than almost all homes nearby

How 399 Forrest Ave ranks against every home in each area.
MeasureThis homeFairfax 94930Marin County
Living areabigger than1,492 ft²45% of homes31% of homes
Lot sizebigger than0.11 ac20% of homes23% of homes
Year builtnewer than1909almost no homes3% of homes

About 399 Forrest Ave

When did 399 Forrest Ave, Fairfax, CA last sell?

399 Forrest Ave, Fairfax, CA last sold on Jun 7, 2016 for $1,205,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 399 Forrest Ave, Fairfax, CA?

399 Forrest Ave, Fairfax, CA has 3 bedrooms, 2 bathrooms, 1,492 square feet of living space and a 0.11-acre lot.

When was 399 Forrest Ave, Fairfax, CA built?

399 Forrest Ave, Fairfax, CA was built in 1909, making it 117 years old. It is a duplex single home.

What schools serve 399 Forrest Ave, Fairfax, CA?

399 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 399 Forrest Ave, Fairfax, CA compare to other homes in Fairfax 94930?

Among the 3,028 homes in Fairfax 94930, it is bigger than 45% of them (1,492 ft² against a typical 1,560 ft²), its lot is bigger than 20% of them (0.11 ac against a typical 0.17 ac) and it is newer than almost none of them (1909 against a typical 1954). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 399 Forrest Ave, Fairfax, CA?

The 2025 property tax bill for 399 Forrest Ave, Fairfax, CA was $22,181. The county assessed it at $1,454,965.

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