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Single Family ResidenceResidential
$1,337,197$1,238 / 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 $713,000 on Jun 19, 2007

823 9TH AVE

REDWOOD CITY, CA 94063
2
Beds
1
Baths
1,080 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.3M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$713,000 · Jun 19, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,183 (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.$974,356 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$487,178
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$487,178
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$955,252
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,090,260

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.6 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.Ranch
CountySAN MATEO
Lot (acres)The size of the land the home sits on, from county records.0.13
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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

Transaction History(7)

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
Taft Elementary SchoolD-
Elementary · Grades KG–5 · 0.1 mi
H
Menlo-Atherton High SchoolA
High · Grades 9–12 · 1.7 mi
M
John F. Kennedy Middle SchoolB-
Middle · Grades 6–8 · 2.7 mi

District: Sequoia Union High School District

Neighborhood · ZIP 94063These 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.111
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.462

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.34,095
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,580 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,296
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$143,498
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

823 9th 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.

  • Costs more per square foot than 73% of homes in San Mateo County
  • Smaller than 84% of homes in San Mateo County
  • Older than 80% of homes in San Mateo County

What homes are worth in Redwood City 94063

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

This home
$689K$2.2M

This home is worth more than 49% of homes in Redwood City 94063.

How it measures up in Redwood City 94063

The dot is this home. The mark in the middle is the typical home in Redwood City 94063.

Estimated value$1,337,197
CheaperTypical $1,343,804Pricier

Pricier than 49% of homes nearby

Price per ft²$1238
CheaperTypical $1103Pricier

Pricier than 68% of homes nearby

Living area1,080 ft²
SmallerTypical 1,290 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.13 ac
SmallerTypical 0.13 acBigger

Bigger than 47% of homes nearby

Year built1947
OlderTypical 1949Newer

Newer than 42% of homes nearby

How 823 9th Ave ranks against every home in each area.
MeasureThis homeRedwood City 94063San Mateo County
Estimated valuepricier than$1,337,19749% of homes44% of homes
Price per ft²pricier than$123868% of homes73% of homes
Living areabigger than1,080 ft²30% of homes16% of homes
Lot sizebigger than0.13 ac47% of homes40% of homes
Year builtnewer than194742% of homes20% of homes

About 823 9th Ave

How much is 823 9th Ave, Redwood City, CA worth?

The TopHap Estimate for 823 9th Ave, Redwood City, CA is $1,337,197 as of Sep 24, 2026. The likely range is $1,271,128 to $1,403,266. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 823 9th Ave, Redwood City, CA last sell?

823 9th Ave, Redwood City, CA last sold on Jun 19, 2007 for $713,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 823 9th Ave, Redwood City, CA?

823 9th Ave, Redwood City, CA has 2 bedrooms, 1 bathrooms, 1,080 square feet of living space and a 0.13-acre lot.

When was 823 9th Ave, Redwood City, CA built?

823 9th Ave, Redwood City, CA was built in 1947, making it 79 years old. It is a ranch home. The building has 1 story.

What schools serve 823 9th Ave, Redwood City, CA?

823 9th Ave, Redwood City, CA is assigned to Taft Elementary School (elementary), rated D-; Menlo-Atherton High School (high), rated A; John F. Kennedy Middle School (middle), rated B-. All sit in Sequoia Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 823 9th Ave, Redwood City, CA compare to other homes in Redwood City 94063?

Among the 4,666 homes in Redwood City 94063, it is worth more than 49% of them ($1,337,197 against a typical $1,343,804), its price per square foot is higher than 68% of them ($1238 against a typical $1103), it is bigger than 30% of them (1,080 ft² against a typical 1,290 ft²), its lot is bigger than 47% of them (0.13 ac against a typical 0.13 ac) and it is newer than 42% of them (1947 against a typical 1949). Measured against all of San Mateo County, it is worth more than 44% 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 823 9th Ave, Redwood City, CA?

The 2025 property tax bill for 823 9th Ave, Redwood City, CA was $12,183. The county assessed it at $974,356.

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Assigned schools

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