Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,402,268$623 / 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 93How 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 $550,000 on Feb 13, 2012

90 ARROYO RD

FOREST KNOLLS, CA 94933
3
Beds
2.5
Baths
2,250 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
Year BuiltThe year the home was originally built, according to county records.

Valuation

$1.4M
$1.3M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$550,000 · Feb 13, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,164 (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.$704,604 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$339,491
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$365,113
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$690,794

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.21 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.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.1975
Lot (acres)The size of the land the home sits on, from county records.0.55
HeatingThe type of heating system in the home.Central
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 · 894 ft²Patio · 894 ft²

Transaction History(15)

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
Lagunitas Elementary SchoolB+
Elementary · Grades KG–8 · 1.1 mi
H
Archie Williams High SchoolA+
High · Grades 9–12 · 7.0 mi

District: Tamalpais Union High School District

Neighborhood · ZIP 94933These 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.142
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 100.466

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.4%
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.271
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.440 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,150
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,546
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

Owner Tools

Do you own this home?
Claim this home

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

90 Arroyo Rd 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 Forest Knolls 94933
  • Costs less per square foot than 72% of homes in Marin County
  • Bigger than 88% of homes in Forest Knolls 94933
  • Has a bigger lot than 88% of homes in Marin County
  • Older than 81% of homes in Marin County

What homes are worth in Forest Knolls 94933

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

This home
$423K$1.8M

This home is worth more than 88% of homes in Forest Knolls 94933.

How it measures up in Forest Knolls 94933

The dot is this home. The mark in the middle is the typical home in Forest Knolls 94933.

Estimated value$1,402,268
CheaperTypical $928,111Pricier

Pricier than 88% of homes nearby

Price per ft²$623
CheaperTypical $675Pricier

Pricier than 36% of homes nearby

Living area2,250 ft²
SmallerTypical 1,432 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.55 ac
SmallerTypical 0.33 acBigger

Bigger than 69% of homes nearby

Year built1948
OlderTypical 1930Newer

Newer than 60% of homes nearby

How 90 Arroyo Rd ranks against every home in each area.
MeasureThis homeForest Knolls 94933Marin County
Estimated valuepricier than$1,402,26888% of homes50% of homes
Price per ft²pricier than$62336% of homes28% of homes
Living areabigger than2,250 ft²88% of homes69% of homes
Lot sizebigger than0.55 ac69% of homes88% of homes
Year builtnewer than194860% of homes19% of homes

About 90 Arroyo Rd

How much is 90 Arroyo Rd, Forest Knolls, CA worth?

The TopHap Estimate for 90 Arroyo Rd, Forest Knolls, CA is $1,402,268 as of Sep 24, 2026. The likely range is $1,301,446 to $1,503,090. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 90 Arroyo Rd, Forest Knolls, CA last sell?

90 Arroyo Rd, Forest Knolls, CA last sold on Feb 13, 2012 for $550,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 90 Arroyo Rd, Forest Knolls, CA?

90 Arroyo Rd, Forest Knolls, CA has 3 bedrooms, 2.5 bathrooms, 2,250 square feet of living space and a 0.55-acre lot.

When was 90 Arroyo Rd, Forest Knolls, CA built?

90 Arroyo Rd, Forest Knolls, CA was built in 1948, making it 78 years old. It is a contemporary home.

What schools serve 90 Arroyo Rd, Forest Knolls, CA?

90 Arroyo Rd, Forest Knolls, CA is assigned to Lagunitas Elementary School (elementary), rated B+; Archie Williams High School (high), rated A+. All sit in Tamalpais Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 90 Arroyo Rd, Forest Knolls, CA compare to other homes in Forest Knolls 94933?

Among the 306 homes in Forest Knolls 94933, it is worth more than 88% of them ($1,402,268 against a typical $928,111), its price per square foot is higher than 36% of them ($623 against a typical $675), it is bigger than 88% of them (2,250 ft² against a typical 1,432 ft²), its lot is bigger than 69% of them (0.55 ac against a typical 0.33 ac) and it is newer than 60% of them (1948 against a typical 1930). Measured against all of Marin County, it is worth more than 50% 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 90 Arroyo Rd, Forest Knolls, CA?

The 2025 property tax bill for 90 Arroyo Rd, Forest Knolls, CA was $8,164. The county assessed it at $704,604.

More homes on Arroyo Rd

Closest homes

More homes in Forest Knolls 94933

Assigned schools

Explore the area

See this home in context

Open 90 Arroyo Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map