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Residential (General/Single)Residential
Last sold for $1,100,000 on Oct 12, 2000

21 LORTON AVE

BURLINGAME, CA 94010
6
Beds
5
Baths
4,500 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1906
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
16
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,100,000 · Oct 12, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,250 (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.$1,690,664 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$999,032
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$691,632
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,657,515

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.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.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.Residential (General/Single)
CountySAN MATEO
Lot (acres)The size of the land the home sits on, from county records.0.17
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
Washington Elementary SchoolB
Elementary · Grades KG–5 · 0.3 mi
H
Burlingame High SchoolA+
High · Grades 9–12 · 0.5 mi
M
Burlingame Intermediate SchoolA+
Middle · Grades 6–8 · 2.5 mi

District: Burlingame Elementary School District

Neighborhood · ZIP 94010These 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.83
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.594

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.2%
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.41,614
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,432 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$190,697
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$259,055
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.30 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

21 Lorton 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.

  • Bigger than 96% of homes in San Mateo County
  • Has a smaller lot than 77% of homes in Downtown Burlingame
  • Among the oldest homes in Downtown Burlingame

How it measures up in Burlingame 94010

The dot is this home. The mark in the middle is the typical home in Burlingame 94010.

Living area4,500 ft²
SmallerTypical 2,522 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.17 ac
SmallerTypical 0.22 acBigger

Bigger than 42% of homes nearby

Year built1906
OlderTypical 1953Newer

Older than almost all homes nearby

How 21 Lorton Ave ranks against every home in each area.
MeasureThis homeDowntown BurlingameBurlingame 94010San Mateo County
Living areabigger than4,500 ft²85% of homes87% of homes96% of homes
Lot sizebigger than0.17 ac23% of homes42% of homes63% of homes
Year builtnewer than1906almost no homesalmost no homesalmost no homes

About 21 Lorton Ave

When did 21 Lorton Ave, Burlingame, CA last sell?

21 Lorton Ave, Burlingame, CA last sold on Oct 12, 2000 for $1,100,000, according to the county's recorded deed.

How big is 21 Lorton Ave, Burlingame, CA?

21 Lorton Ave, Burlingame, CA has 6 bedrooms, 5 bathrooms, 4,500 square feet of living space and a 0.17-acre lot.

When was 21 Lorton Ave, Burlingame, CA built?

21 Lorton Ave, Burlingame, CA was built in 1906, making it 120 years old. The building has 2 stories.

What schools serve 21 Lorton Ave, Burlingame, CA?

21 Lorton Ave, Burlingame, CA is assigned to Washington Elementary School (elementary), rated B; Burlingame High School (high), rated A+; Burlingame Intermediate School (middle), rated A+. All sit in Burlingame Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Lorton Ave, Burlingame, CA compare to other homes in Burlingame 94010?

Among the 12,200 homes in Burlingame 94010, it is bigger than 87% of them (4,500 ft² against a typical 2,522 ft²), its lot is bigger than 42% of them (0.17 ac against a typical 0.22 ac) and it is newer than almost none of them (1906 against a typical 1953). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21 Lorton Ave, Burlingame, CA?

The 2025 property tax bill for 21 Lorton Ave, Burlingame, CA was $20,250. The county assessed it at $1,690,664.

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