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CondominiumResidential

2425 S Norfolk St

SAN MATEO, CA 94403
0.88 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 19884 floors31 units690–1,000 ft²
$18M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$678K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$725
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-46.1%vs the San Mateo ZIP median sale $/ft² ($1345)

Sales Performance

—
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
0
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
0.0%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+4.3%per yeartypical hold 6.8 yrsfrom 64 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19881992199820022007201520202025
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19881992199820022007201520202025

98 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$487K$597K$708K$818K690 ft²752 ft²814 ft²876 ft²938 ft²1,000 ft²
1 bd2 bd
1 bed
15 units
2 bed
16 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
2 bd · 2 ba · 1,000 ft²
16 units
1 bd · 1 ba · 690 ft²
15 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$487K–$523K
9 units
$555K–$565K
4 units
$613K–$613K
1 unit
$678K–$694K
4 units
$695K–$725K
8 units
$736K–$736K
1 unit
$815K–$818K
2 units

Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.

Floor 1
$733/ft²
Floor 2
$731/ft²
Floor 3
$733/ft²
Floor 4
$795/ft²
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·02
$753/ft²
Line ·01
$750/ft²
Line ·04
$750/ft²
Line ·05
$745/ft²
Line ·09
$739/ft²
Line ·08
$737/ft²
Line ·03
$722/ft²
Line ·07
$697/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.68%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.39%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.14.4 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.0%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.55%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$638,590
Median tax billThe middle annual property tax bill among the building's units.$8,360
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 403Jun 6, 2025$575,000Unit 106Nov 9, 2023$590,000Unit 401Apr 10, 2023$635,000Unit 403Jul 22, 2022$595,000Unit 302Apr 1, 2022$895,000Unit 306Jun 16, 2021$593,000Unit 304Apr 9, 2021$600,000Unit 207Mar 19, 2021$800,000Unit 208Dec 21, 2020$794,500Unit 105May 10, 2019$618,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountySAN MATEO
Lot (acres)The size of the land the home sits on, from county records.0.88
HeatingThe type of heating system in the home.Electric
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.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Bayside AcademyB-
Elementary · Grades KG–8 · 1.2 mi
H
Hillsdale High SchoolA
High · Grades 9–12 · 1.8 mi

District: San Mateo Union High School District

Neighborhood · ZIP 94403These 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.104
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 100.516

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.96%
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.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.43,216
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,529 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$160,514
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$196,016
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.21 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

2425 S Norfolk St # 101
1 bd · 1 ba · 690 ft²
$502K
2425 S Norfolk St # 102
2 bd · 2 ba · 1,000 ft²
$815K
2425 S Norfolk St # 103
2 bd · 2 ba · 1,000 ft²
$678K
2425 S Norfolk St # 104
1 bd · 1 ba · 690 ft²
$487K
2425 S Norfolk St # 105
1 bd · 1 ba · 690 ft²
$555K
2425 S Norfolk St # 106
1 bd · 1 ba · 690 ft²
2425 S Norfolk St # 107
2 bd · 2 ba · 1,000 ft²
$702K
2425 S Norfolk St # 108
2 bd · 2 ba · 1,000 ft²
$695K
2425 S Norfolk St # 109
1 bd · 1 ba · 690 ft²
$511K
2425 S Norfolk St # 201
2 bd · 2 ba · 1,000 ft²
$700K
2425 S Norfolk St # 202
2 bd · 2 ba · 1,000 ft²
$736K
2425 S Norfolk St # 203
2 bd · 2 ba · 1,000 ft²
$681K
2425 S Norfolk St # 204
1 bd · 1 ba · 690 ft²
$500K
2425 S Norfolk St # 205
2 bd · 2 ba · 1,000 ft²
$719K
2425 S Norfolk St # 206
1 bd · 1 ba · 690 ft²
$512K
2425 S Norfolk St # 207
2 bd · 2 ba · 1,000 ft²
$696K
2425 S Norfolk St # 208
2 bd · 2 ba · 1,000 ft²
$818K
2425 S Norfolk St # 209
1 bd · 1 ba · 690 ft²
$523K
2425 S Norfolk St # 301
2 bd · 2 ba · 1,000 ft²
$685K
2425 S Norfolk St # 302
2 bd · 2 ba · 1,000 ft²
$725K
2425 S Norfolk St # 303
2 bd · 2 ba · 1,000 ft²
2425 S Norfolk St # 304
1 bd · 1 ba · 690 ft²
$564K
2425 S Norfolk St # 305
2 bd · 2 ba · 1,000 ft²
$712K
2425 S Norfolk St # 306
1 bd · 1 ba · 690 ft²
$565K
2425 S Norfolk St # 307
2 bd · 2 ba · 1,000 ft²
$694K
2425 S Norfolk St # 308
2 bd · 2 ba · 1,000 ft²
$696K
2425 S Norfolk St # 309
1 bd · 1 ba · 690 ft²
$496K
2425 S Norfolk St # 401
1 bd · 1 ba · 690 ft²
$613K
2425 S Norfolk St # 402
1 bd · 1 ba · 690 ft²
$506K
2425 S Norfolk St # 403
1 bd · 1 ba · 690 ft²
$557K
2425 S Norfolk St # 404
1 bd · 1 ba · 690 ft²
$519K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 2425 S Norfolk St

How many units are in 2425 S Norfolk St, San Mateo, CA?

2425 S Norfolk St, San Mateo, CA has 31 residential units across 4 floors, built in 1988, according to county assessor records.

What is a unit at 2425 S Norfolk St, San Mateo, CA worth?

The median TopHap Estimate across the 31 units at 2425 S Norfolk St, San Mateo, CA is $677,771. That works out to $725 per square foot. Units run from 690 to 1,000 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 2425 S Norfolk St, San Mateo, CA expensive for San Mateo?

Units at 2425 S Norfolk St, San Mateo, CA carry a median of $725 per square foot, 46% below the San Mateo median of $1345 per square foot.

How often do units sell at 2425 S Norfolk St, San Mateo, CA?

0 units at 2425 S Norfolk St, San Mateo, CA sold in the last 12 months, out of 98 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 2425 S Norfolk St, San Mateo, CA appreciated?

Across 64 repeat sales of the same unit, 2425 S Norfolk St, San Mateo, CA returned a median 4.3% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 6.8 years.

What floor plans does 2425 S Norfolk St, San Mateo, CA have?

The most common plan at 2425 S Norfolk St, San Mateo, CA is a 2-bedroom of 1,000 square feet, repeated 16 times, with a median estimate of $700,453. TopHap identifies 2 recurring plans in the building.

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