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Single Family ResidenceResidential
$1,384,515$736 / 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 94How 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

135 ROSA FLORA CIR

S SAN FRAN, CA 94080
3
Beds
2.5
Baths
1,880 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.
2,043 ft²
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
3
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

$1.4M
$1.3M low$1.5M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,318 (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.$523,382 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$261,691
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$261,691
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$513,120
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$985,410

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.2 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.Townhouse
CountySAN MATEO
Lot (acres)The size of the land the home sits on, from county records.0.05
HeatingThe type of heating system in the home.Central
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.

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

E
Ponderosa Elementary SchoolB+
Elementary · Grades KG–5 · 0.1 mi
H
South San Francisco High SchoolB-
High · Grades 9–12 · 0.3 mi
M
Alta Loma Middle SchoolB-
Middle · Grades 6–8 · 1.5 mi

District: South San Francisco Unified School District

Neighborhood · ZIP 94080These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.615

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.63,420
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,066 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$118,416
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$160,648
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.23 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

Owner Tools

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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

135 Rosa Flora Cir 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 more than 87% of homes in South San Francisco 94080
  • Costs less per square foot than 82% of homes in Avalon
  • Bigger than 85% of homes in Avalon
  • Among the smallest lots in Avalon
  • Newer than 98% of homes in Avalon

What homes are worth in South San Francisco 94080

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

This home
$542K$1.7M

This home is worth more than 87% of homes in South San Francisco 94080.

How it measures up in South San Francisco 94080

The dot is this home. The mark in the middle is the typical home in South San Francisco 94080.

Estimated value$1,384,515
CheaperTypical $1,101,773Pricier

Pricier than 87% of homes nearby

Price per ft²$736
CheaperTypical $750Pricier

Pricier than 47% of homes nearby

Living area1,880 ft²
SmallerTypical 1,454 ft²Bigger

Bigger than 77% of homes nearby

Lot size2,043 ft²
SmallerTypical 0.11 acBigger

Bigger than 3% of homes nearby

Year built1990
OlderTypical 1956Newer

Newer than 86% of homes nearby

How 135 Rosa Flora Cir ranks against every home in each area.
MeasureThis homeAvalonSouth San Francisco 94080San Mateo County
Estimated valuepricier than$1,384,51578% of homes87% of homes46% of homes
Price per ft²pricier than$73618% of homes47% of homes22% of homes
Living areabigger than1,880 ft²85% of homes77% of homes63% of homes
Lot sizebigger than2,043 ft²almost no homes3% of homes3% of homes
Year builtnewer than199098% of homes86% of homes89% of homes

About 135 Rosa Flora Cir

How much is 135 Rosa Flora Cir, S San Fran, CA worth?

The TopHap Estimate for 135 Rosa Flora Cir, S San Fran, CA is $1,384,515 as of Sep 24, 2026. The likely range is $1,303,746 to $1,465,284. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 135 Rosa Flora Cir, S San Fran, CA last sell?

135 Rosa Flora Cir, S San Fran, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 135 Rosa Flora Cir, S San Fran, CA?

135 Rosa Flora Cir, S San Fran, CA has 3 bedrooms, 2.5 bathrooms, 1,880 square feet of living space and a 0.05-acre lot.

When was 135 Rosa Flora Cir, S San Fran, CA built?

135 Rosa Flora Cir, S San Fran, CA was built in 1990, making it 36 years old. It is a townhouse home. The building has 3 stories.

What schools serve 135 Rosa Flora Cir, S San Fran, CA?

135 Rosa Flora Cir, S San Fran, CA is assigned to Ponderosa Elementary School (elementary), rated B+; South San Francisco High School (high), rated B-; Alta Loma Middle School (middle), rated B-. All sit in South San Francisco Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 135 Rosa Flora Cir, S San Fran, CA compare to other homes in South San Francisco 94080?

Among the 16,730 homes in South San Francisco 94080, it is worth more than 87% of them ($1,384,515 against a typical $1,101,773), its price per square foot is higher than 47% of them ($736 against a typical $750), it is bigger than 77% of them (1,880 ft² against a typical 1,454 ft²), its lot is bigger than 3% of them (2,043 ft² against a typical 0.11 ac) and it is newer than 86% of them (1990 against a typical 1956). Measured against all of San Mateo County, it is worth more than 46% 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 135 Rosa Flora Cir, S San Fran, CA?

The 2025 property tax bill for 135 Rosa Flora Cir, S San Fran, CA was $6,318. The county assessed it at $523,382.

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