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Single Family ResidenceResidential
$1,838,174$938 / 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 96How 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 $1,788,000 on Nov 30, 2021

21 SPINNAKER PL

REDWOOD CITY, CA 94065
2
Beds
2.5
Baths
1,960 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.
3,663 ft²
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
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

$1.8M
$1.8M low$1.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,788,000 · Nov 30, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,731 (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.$1,947,870 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$967,693
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$980,177
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,909,678
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,621,980

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
CountySAN MATEO
Lot (acres)The size of the land the home sits on, from county records.0.08
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood 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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Waterfront

Transaction History(5)

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
Sandpiper Elementary SchoolA+
Elementary · Grades KG–5 · 0.8 mi
H
Carlmont High SchoolA+
High · Grades 9–12 · 2.8 mi
M
Ralston Middle SchoolA+
Middle · Grades 6–8 · 3.7 mi

District: Sequoia Union High School District

Neighborhood · ZIP 94065These 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.74
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.460

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.12,299
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,726 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$184,963
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$219,587
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.18 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

21 Spinnaker Pl 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 69% of homes in Redwood City 94065
  • Has a smaller lot than 91% of homes in Redwood City 94065
  • Older than 83% of homes in Redwood City 94065

What homes are worth in Redwood City 94065

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

This home
$695K$3.1M

This home is worth more than 56% of homes in Redwood City 94065.

How it measures up in Redwood City 94065

The dot is this home. The mark in the middle is the typical home in Redwood City 94065.

Estimated value$1,838,174
CheaperTypical $1,718,539Pricier

Pricier than 56% of homes nearby

Price per ft²$938
CheaperTypical $978Pricier

Pricier than 41% of homes nearby

Living area1,960 ft²
SmallerTypical 1,630 ft²Bigger

Bigger than 69% of homes nearby

Lot size3,663 ft²
SmallerTypical 0.19 acBigger

Bigger than 9% of homes nearby

Year built1977
OlderTypical 1989Newer

Newer than 17% of homes nearby

How 21 Spinnaker Pl ranks against every home in each area.
MeasureThis homeRedwood City 94065San Mateo County
Estimated valuepricier than$1,838,17456% of homes62% of homes
Price per ft²pricier than$93841% of homes47% of homes
Living areabigger than1,960 ft²69% of homes66% of homes
Lot sizebigger than3,663 ft²9% of homes15% of homes
Year builtnewer than197717% of homes78% of homes

About 21 Spinnaker Pl

How much is 21 Spinnaker Pl, Redwood City, CA worth?

The TopHap Estimate for 21 Spinnaker Pl, Redwood City, CA is $1,838,174 as of Sep 24, 2026. The likely range is $1,761,978 to $1,914,370. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Spinnaker Pl, Redwood City, CA last sell?

21 Spinnaker Pl, Redwood City, CA last sold on Nov 30, 2021 for $1,788,000, according to the county's recorded deed.

How big is 21 Spinnaker Pl, Redwood City, CA?

21 Spinnaker Pl, Redwood City, CA has 2 bedrooms, 2.5 bathrooms, 1,960 square feet of living space and a 0.08-acre lot.

When was 21 Spinnaker Pl, Redwood City, CA built?

21 Spinnaker Pl, Redwood City, CA was built in 1977, making it 49 years old. It is a contemporary home. The building has 2 stories.

What schools serve 21 Spinnaker Pl, Redwood City, CA?

21 Spinnaker Pl, Redwood City, CA is assigned to Sandpiper Elementary School (elementary), rated A+; Carlmont High School (high), rated A+; Ralston Middle School (middle), rated A+. All sit in Sequoia Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Spinnaker Pl, Redwood City, CA compare to other homes in Redwood City 94065?

Among the 4,247 homes in Redwood City 94065, it is worth more than 56% of them ($1,838,174 against a typical $1,718,539), its price per square foot is higher than 41% of them ($938 against a typical $978), it is bigger than 69% of them (1,960 ft² against a typical 1,630 ft²), its lot is bigger than 9% of them (3,663 ft² against a typical 0.19 ac) and it is newer than 17% of them (1977 against a typical 1989). Measured against all of San Mateo County, it is worth more than 62% 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 Spinnaker Pl, Redwood City, CA?

The 2025 property tax bill for 21 Spinnaker Pl, Redwood City, CA was $22,731. The county assessed it at $1,947,870.

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