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Single Family ResidenceResidential
$1,025,835$855 / 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
Last sold for $230,000 on Nov 9, 1993

122 ROSA FLORA CIR

SOUTH SAN FRANCISCO, CA 94080
3
Beds
2.5
Baths
1,200 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.
1,571 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.
2
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

$1M
$962K 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.$230,000 · Nov 9, 1993

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,083 (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.$398,722 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$199,361
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$199,361
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$390,904
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$806,940

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.0.04
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
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
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%

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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

122 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 less than 87% of homes in Avalon
  • Costs more per square foot than 67% of homes in South San Francisco 94080
  • Smaller than 75% of homes in San Mateo County
  • 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 38% 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$1,025,835
CheaperTypical $1,101,773Pricier

Pricier than 38% of homes nearby

Price per ft²$855
CheaperTypical $750Pricier

Pricier than 67% of homes nearby

Living area1,200 ft²
SmallerTypical 1,454 ft²Bigger

Bigger than 37% of homes nearby

Lot size1,571 ft²
SmallerTypical 0.11 acBigger

Bigger than 2% of homes nearby

Year built1990
OlderTypical 1956Newer

Newer than 86% of homes nearby

How 122 Rosa Flora Cir ranks against every home in each area.
MeasureThis homeAvalonSouth San Francisco 94080San Mateo County
Estimated valuepricier than$1,025,83513% of homes38% of homes22% of homes
Price per ft²pricier than$85535% of homes67% of homes37% of homes
Living areabigger than1,200 ft²39% of homes37% of homes25% of homes
Lot sizebigger than1,571 ft²almost no homes2% of homes2% of homes
Year builtnewer than199098% of homes86% of homes89% of homes

About 122 Rosa Flora Cir

How much is 122 Rosa Flora Cir, South San Francisco, CA worth?

The TopHap Estimate for 122 Rosa Flora Cir, South San Francisco, CA is $1,025,835 as of Sep 24, 2026. The likely range is $962,150 to $1,089,520. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 122 Rosa Flora Cir, South San Francisco, CA last sell?

122 Rosa Flora Cir, South San Francisco, CA last sold on Nov 9, 1993 for $230,000, according to the county's recorded deed.

How big is 122 Rosa Flora Cir, South San Francisco, CA?

122 Rosa Flora Cir, South San Francisco, CA has 3 bedrooms, 2.5 bathrooms, 1,200 square feet of living space and a 0.04-acre lot.

When was 122 Rosa Flora Cir, South San Francisco, CA built?

122 Rosa Flora Cir, South San Francisco, CA was built in 1990, making it 36 years old. It is a townhouse home. The building has 2 stories.

What schools serve 122 Rosa Flora Cir, South San Francisco, CA?

122 Rosa Flora Cir, South San Francisco, 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 122 Rosa Flora Cir, South San Francisco, 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 38% of them ($1,025,835 against a typical $1,101,773), its price per square foot is higher than 67% of them ($855 against a typical $750), it is bigger than 37% of them (1,200 ft² against a typical 1,454 ft²), its lot is bigger than 2% of them (1,571 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 22% 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 122 Rosa Flora Cir, South San Francisco, CA?

The 2025 property tax bill for 122 Rosa Flora Cir, South San Francisco, CA was $5,083. The county assessed it at $398,722.

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