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Single Family ResidenceResidential
$2,364,009$722 / 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 95How 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 $950,000 on Aug 22, 2000

21 BISCAYNE CT

SAN RAFAEL, CA 94901
4
Beds
3
Baths
3,274 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.
0.45 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.4M
$2.3M low$2.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$950,000 · Aug 22, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$21,667 (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.$1,611,323 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$801,553
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$809,770
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,561,232

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.1997
Lot (acres)The size of the land the home sits on, from county records.0.45
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning 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 · 194 ft²Patio · 199 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.

E
Glenwood Elementary SchoolA
Elementary · Grades KG–5 · 1.3 mi
H
San Rafael High SchoolC
High · Grades 9–12 · 3.4 mi
M
James B. Davidson Middle SchoolC+
Middle · Grades 6–8 · 4.2 mi

District: San Rafael City High School District

Neighborhood · ZIP 94901These 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.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.371

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
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.44,567
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,697 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,153
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$168,715
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

21 Biscayne Ct 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 90% of homes in San Rafael 94901
  • Bigger than 90% of homes in Marin County
  • Has a bigger lot than 87% of homes in San Rafael 94901
  • Newer than 94% of homes in Peacock Gap

What homes are worth in San Rafael 94901

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

This home
$375K$3.7M

This home is worth more than 90% of homes in San Rafael 94901.

How it measures up in San Rafael 94901

The dot is this home. The mark in the middle is the typical home in San Rafael 94901.

Estimated value$2,364,009
CheaperTypical $1,336,710Pricier

Pricier than 90% of homes nearby

Price per ft²$722
CheaperTypical $694Pricier

Pricier than 57% of homes nearby

Living area3,274 ft²
SmallerTypical 1,948 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.45 ac
SmallerTypical 0.17 acBigger

Bigger than 87% of homes nearby

Year built1990
OlderTypical 1961Newer

Newer than 93% of homes nearby

How 21 Biscayne Ct ranks against every home in each area.
MeasureThis homePeacock GapSan Rafael 94901Marin County
Estimated valuepricier than$2,364,00973% of homes90% of homes80% of homes
Price per ft²pricier than$72249% of homes57% of homes42% of homes
Living areabigger than3,274 ft²76% of homes88% of homes90% of homes
Lot sizebigger than0.45 ac85% of homes87% of homes85% of homes
Year builtnewer than199094% of homes93% of homes88% of homes

About 21 Biscayne Ct

How much is 21 Biscayne Ct, San Rafael, CA worth?

The TopHap Estimate for 21 Biscayne Ct, San Rafael, CA is $2,364,009 as of Sep 24, 2026. The likely range is $2,253,140 to $2,474,878. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Biscayne Ct, San Rafael, CA last sell?

21 Biscayne Ct, San Rafael, CA last sold on Aug 22, 2000 for $950,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 Biscayne Ct, San Rafael, CA?

21 Biscayne Ct, San Rafael, CA has 4 bedrooms, 3 bathrooms, 3,274 square feet of living space and a 0.45-acre lot.

When was 21 Biscayne Ct, San Rafael, CA built?

21 Biscayne Ct, San Rafael, CA was built in 1990, making it 36 years old. It is a contemporary home. The building has 2 stories.

What schools serve 21 Biscayne Ct, San Rafael, CA?

21 Biscayne Ct, San Rafael, CA is assigned to Glenwood Elementary School (elementary), rated A; San Rafael High School (high), rated C; James B. Davidson Middle School (middle), rated C+. All sit in San Rafael City High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Biscayne Ct, San Rafael, CA compare to other homes in San Rafael 94901?

Among the 10,067 homes in San Rafael 94901, it is worth more than 90% of them ($2,364,009 against a typical $1,336,710), its price per square foot is higher than 57% of them ($722 against a typical $694), it is bigger than 88% of them (3,274 ft² against a typical 1,948 ft²), its lot is bigger than 87% of them (0.45 ac against a typical 0.17 ac) and it is newer than 93% of them (1990 against a typical 1961). Measured against all of Marin County, it is worth more than 80% 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 21 Biscayne Ct, San Rafael, CA?

The 2025 property tax bill for 21 Biscayne Ct, San Rafael, CA was $21,667. The county assessed it at $1,611,323.

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