Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,100,204$1,100 / 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 92How 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 $1,000,000 on Oct 4, 2021

648 CASSIA ST

REDWOOD CITY, CA 94063
2
Beds
1
Baths
1,000 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.
1924
Year BuiltThe year the home was originally built, according to county records.
1
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,000,000 · Oct 4, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,910 (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.$1,082,430 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$974,188
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$108,242
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,061,207

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.19 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.0.2 percent flood zone

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.Contemporary
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.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(8)

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
Hoover Elementary SchoolD-
Elementary · Grades KG–8 · 0.5 mi
H
Sequoia High SchoolB
High · Grades 9–12 · 0.7 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%

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

648 Cassia 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 81% of homes in Redwood City 94063
  • Costs more per square foot than 84% of homes in Stambaugh / Heller
  • Smaller than 90% of homes in San Mateo County
  • Has a smaller lot than 82% of homes in Redwood City 94063
  • Older than 96% 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
$670K$2.2M

This home is worth more than 19% 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$1,100,204
CheaperTypical $1,343,247Pricier

Pricier than 19% of homes nearby

Price per ft²$1100
CheaperTypical $1101Pricier

Pricier than 50% of homes nearby

Living area1,000 ft²
SmallerTypical 1,287 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.11 ac
SmallerTypical 0.13 acBigger

Bigger than 18% of homes nearby

Year built1924
OlderTypical 1949Newer

Newer than 5% of homes nearby

How 648 Cassia St ranks against every home in each area.
MeasureThis homeStambaugh / HellerRedwood City 94063San Mateo County
Estimated valuepricier than$1,100,20440% of homes19% of homes28% of homes
Price per ft²pricier than$110084% of homes50% of homes63% of homes
Living areabigger than1,000 ft²16% of homes23% of homes10% of homes
Lot sizebigger than0.11 ac32% of homes18% of homes24% of homes
Year builtnewer than192425% of homes5% of homes4% of homes

About 648 Cassia St

How much is 648 Cassia St, Redwood City, CA worth?

The TopHap Estimate for 648 Cassia St, Redwood City, CA is $1,100,204 as of Sep 24, 2026. The likely range is $1,010,753 to $1,189,655. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 648 Cassia St, Redwood City, CA last sell?

648 Cassia St, Redwood City, CA last sold on Oct 4, 2021 for $1,000,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 648 Cassia St, Redwood City, CA?

648 Cassia St, Redwood City, CA has 2 bedrooms, 1 bathrooms, 1,000 square feet of living space and a 0.12-acre lot.

When was 648 Cassia St, Redwood City, CA built?

648 Cassia St, Redwood City, CA was built in 1924, making it 102 years old. It is a contemporary home. The building has 1 story.

What schools serve 648 Cassia St, Redwood City, CA?

648 Cassia 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 648 Cassia 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 19% of them ($1,100,204 against a typical $1,343,247), its price per square foot is higher than 50% of them ($1100 against a typical $1101), it is bigger than 23% of them (1,000 ft² against a typical 1,287 ft²), its lot is bigger than 18% of them (0.11 ac against a typical 0.13 ac) and it is newer than 5% of them (1924 against a typical 1949). Measured against all of San Mateo County, it is worth more than 28% 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 648 Cassia St, Redwood City, CA?

The 2025 property tax bill for 648 Cassia St, Redwood City, CA was $12,910. The county assessed it at $1,082,430.

More homes on Cassia St

Closest homes

More homes in Redwood City 94063

Assigned schools

Explore the area

See this home in context

Open 648 Cassia 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