Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,110,516$992 / 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 97How 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 $323,000 on Mar 27, 2009

621 HELLER ST

REDWOOD CITY, CA 94063
3
Beds
2
Baths
1,120 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$1.1M low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$323,000 · Mar 27, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,926 (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.$424,246 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$212,123
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$212,123
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$415,928
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$834,930

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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.0.12
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Hoover Elementary SchoolD-
Elementary · Grades KG–8 · 0.4 mi
H
Sequoia High SchoolB
High · Grades 9–12 · 0.8 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%

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

621 Heller St 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 80% of homes in Redwood City 94063
  • Costs more per square foot than 70% of homes in Stambaugh / Heller
  • Smaller than 80% of homes in San Mateo County
  • Has a smaller lot than 82% of homes in Redwood City 94063
  • Newer than 89% of homes in Stambaugh / Heller

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
$697K$2.2M

This home is worth more than 20% 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$1,110,516
CheaperTypical $1,344,135Pricier

Pricier than 20% of homes nearby

Price per ft²$992
CheaperTypical $1108Pricier

Pricier than 34% of homes nearby

Living area1,120 ft²
SmallerTypical 1,288 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.11 ac
SmallerTypical 0.13 acBigger

Bigger than 18% of homes nearby

Year built1976
OlderTypical 1949Newer

Newer than 80% of homes nearby

How 621 Heller St ranks against every home in each area.
MeasureThis homeStambaugh / HellerRedwood City 94063San Mateo County
Estimated valuepricier than$1,110,51643% of homes20% of homes29% of homes
Price per ft²pricier than$99270% of homes34% of homes53% of homes
Living areabigger than1,120 ft²24% of homes37% of homes20% of homes
Lot sizebigger than0.11 ac32% of homes18% of homes24% of homes
Year builtnewer than197689% of homes80% of homes77% of homes

About 621 Heller St

How much is 621 Heller St, Redwood City, CA worth?

The TopHap Estimate for 621 Heller St, Redwood City, CA is $1,110,516 as of Sep 24, 2026. The likely range is $1,072,410 to $1,148,622. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 621 Heller St, Redwood City, CA last sell?

621 Heller St, Redwood City, CA last sold on Mar 27, 2009 for $323,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 621 Heller St, Redwood City, CA?

621 Heller St, Redwood City, CA has 3 bedrooms, 2 bathrooms, 1,120 square feet of living space and a 0.12-acre lot.

When was 621 Heller St, Redwood City, CA built?

621 Heller St, Redwood City, CA was built in 1976, making it 50 years old. It is a ranch home. The building has 1 story.

What schools serve 621 Heller St, Redwood City, CA?

621 Heller St, Redwood City, CA is assigned to Hoover Elementary School (elementary), rated D-; Sequoia High School (high), rated B. All sit in Sequoia Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 621 Heller St, 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 20% of them ($1,110,516 against a typical $1,344,135), its price per square foot is higher than 34% of them ($992 against a typical $1108), it is bigger than 37% of them (1,120 ft² against a typical 1,288 ft²), its lot is bigger than 18% of them (0.11 ac against a typical 0.13 ac) and it is newer than 80% of them (1976 against a typical 1949). Measured against all of San Mateo County, it is worth more than 29% 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 621 Heller St, Redwood City, CA?

The 2025 property tax bill for 621 Heller St, Redwood City, CA was $5,926. The county assessed it at $424,246.

More homes on Heller St

Closest homes

More homes in Redwood City 94063

Assigned schools

Explore the area

See this home in context

Open 621 Heller St 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