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Single Family ResidenceResidential
$1,084,931$613 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

423 ANDOVER DR

PACIFICA, CA 94044
4
Beds
3
Baths
1,770 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.
4,308 ft²
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
1
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$941K low$1.2M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,562 (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.$361,156 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$52,692
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$308,464
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$354,075
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$719,460

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.Colonial
CountySAN MATEO
Lot (acres)The size of the land the home sits on, from county records.0.10
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.Roll Tar & Gravel
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, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Sunset Ridge Elementary SchoolC
Elementary · Grades KG–5 · 0.4 mi
M
Ocean Shore SchoolA-
Middle · Grades KG–8 · 0.9 mi

District: Pacifica School District

Neighborhood · ZIP 94044These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.642

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
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.34,994
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,071 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$143,331
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$170,620
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.31 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

423 Andover Dr 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 73% of homes in San Mateo County
  • Costs less per square foot than 92% of homes in San Mateo County
  • Bigger than 77% of homes in Westview
  • Has a smaller lot than 81% of homes in San Mateo County
  • Newer than 85% of homes in Westview

What homes are worth in Pacifica 94044

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

This home
$696K$2M

This home is worth more than 33% of homes in Pacifica 94044.

How it measures up in Pacifica 94044

The dot is this home. The mark in the middle is the typical home in Pacifica 94044.

Estimated value$1,084,931
CheaperTypical $1,173,610Pricier

Pricier than 33% of homes nearby

Price per ft²$613
CheaperTypical $826Pricier

Pricier than 9% of homes nearby

Living area1,770 ft²
SmallerTypical 1,390 ft²Bigger

Bigger than 75% of homes nearby

Lot size4,308 ft²
SmallerTypical 0.13 acBigger

Bigger than 20% of homes nearby

Year built1965
OlderTypical 1962Newer

Newer than 66% of homes nearby

How 423 Andover Dr ranks against every home in each area.
MeasureThis homeWestviewPacifica 94044San Mateo County
Estimated valuepricier than$1,084,93163% of homes33% of homes27% of homes
Price per ft²pricier than$61316% of homes9% of homes8% of homes
Living areabigger than1,770 ft²77% of homes75% of homes57% of homes
Lot sizebigger than4,308 ft²41% of homes20% of homes19% of homes
Year builtnewer than196585% of homes66% of homes62% of homes

About 423 Andover Dr

How much is 423 Andover Dr, Pacifica, CA worth?

The TopHap Estimate for 423 Andover Dr, Pacifica, CA is $1,084,931 as of Oct 21, 2026. The likely range is $941,346 to $1,228,516. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 423 Andover Dr, Pacifica, CA last sell?

423 Andover Dr, Pacifica, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 423 Andover Dr, Pacifica, CA?

423 Andover Dr, Pacifica, CA has 4 bedrooms, 3 bathrooms, 1,770 square feet of living space and a 0.10-acre lot.

When was 423 Andover Dr, Pacifica, CA built?

423 Andover Dr, Pacifica, CA was built in 1965, making it 61 years old. It is a colonial home. The building has 1 story.

What schools serve 423 Andover Dr, Pacifica, CA?

423 Andover Dr, Pacifica, CA is assigned to Sunset Ridge Elementary School (elementary), rated C; Ocean Shore School (middle), rated A-. All sit in Pacifica School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 423 Andover Dr, Pacifica, CA compare to other homes in Pacifica 94044?

Among the 11,854 homes in Pacifica 94044, it is worth more than 33% of them ($1,084,931 against a typical $1,173,610), its price per square foot is higher than 9% of them ($613 against a typical $826), it is bigger than 75% of them (1,770 ft² against a typical 1,390 ft²), its lot is bigger than 20% of them (4,308 ft² against a typical 0.13 ac) and it is newer than 66% of them (1965 against a typical 1962). Measured against all of San Mateo County, it is worth more than 27% 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 423 Andover Dr, Pacifica, CA?

The 2025 property tax bill for 423 Andover Dr, Pacifica, CA was $5,562. The county assessed it at $361,156.

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