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CondominiumResidential

651 Port Dr

SAN MATEO, CA 94404
0.65 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 19823 floors24 units746–1,313 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.
$787K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$755
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-7.9%vs the San Mateo ZIP median sale $/ft² ($820)

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.
+4.5%per yeartypical hold 7.2 yrsfrom 44 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
19881994199920042009201420182025
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
19881994199920042009201420182025

69 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.
$520K$701K$882K$1.1M746 ft²859 ft²973 ft²1,086 ft²1,200 ft²1,313 ft²
1 bd2 bd3 bd
1 bed
9 units
2 bed
12 units
3 bed
3 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.
1 bd · 1 ba · 746 ft²
6 units
2 bd · 2 ba · 1,113 ft²
4 units
2 bd · 2 ba · 990 ft²
3 units
2 bd · 2 ba · 1,014 ft²
3 units
3 bd · 2 ba · 1,313 ft²
3 units
1 bd · 1 ba · 836 ft²
2 units
2 bd · 2 ba · 1,121 ft²
2 units
One-off layouts
1 unit

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.

$520K–$583K
4 units
$595K–$614K
4 units
$668K–$668K
1 unit
$731K–$788K
4 units
$808K–$858K
6 units
$872K–$888K
2 units
$936K–$960K
2 units
$1.1M–$1.1M
1 unit

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
$749/ft²
Floor 2
$750/ft²
Floor 3
$788/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 ·04
$798/ft²
Line ·06
$783/ft²
Line ·05
$778/ft²
Line ·02
$768/ft²
Line ·07
$753/ft²
Line ·08
$751/ft²
Line ·01
$736/ft²
Line ·03
$728/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.54%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.46%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.11.6 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.20%
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.50%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$754,081
Median tax billThe middle annual property tax bill among the building's units.$8,464
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 205Jun 30, 2025$825,000Unit 304Mar 14, 2025$877,000Unit 203Jan 4, 2022$610,000Unit 306Dec 17, 2021$649,000Unit 107Dec 6, 2021$648,000Unit 205Mar 24, 2021$740,000Unit 104Sep 23, 2019$800,000Unit 308Apr 11, 2019$993,000Unit 204Sep 20, 2018$870,000Unit 208Jun 12, 2017$900,000

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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1997
Lot (acres)The size of the land the home sits on, from county records.0.65
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.Yes

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

M
Bayside AcademyB-
Middle · Grades KG–8 · 0.5 mi
E
LEAD Elementary SchoolD
Elementary · Grades KG–5 · 0.8 mi
H
Aragon High SchoolA+
High · Grades 9–12 · 2.6 mi

District: San Mateo-Foster City Elementary School District

Neighborhood · ZIP 94404These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.469

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.3%
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.34,562
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,017 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$165,214
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$197,174
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%

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.

651 Port Dr # 101
2 bd · 2 ba · 1,121 ft²
$821K
651 Port Dr # 102
2 bd · 2 ba · 1,121 ft²
$872K
651 Port Dr # 103
1 bd · 1 ba · 746 ft²
$520K
651 Port Dr # 104
2 bd · 2 ba · 990 ft²
$808K
651 Port Dr # 105
2 bd · 2 ba · 1,014 ft²
$731K
651 Port Dr # 106
1 bd · 1 ba · 746 ft²
$595K
651 Port Dr # 107
1 bd · 1 ba · 838 ft²
$614K
651 Port Dr # 108
3 bd · 2 ba · 1,313 ft²
$936K
651 Port Dr # 201
2 bd · 2 ba · 1,113 ft²
$785K
651 Port Dr # 202
2 bd · 2 ba · 1,113 ft²
$809K
651 Port Dr # 203
1 bd · 1 ba · 746 ft²
$583K
651 Port Dr # 204
2 bd · 2 ba · 990 ft²
$732K
651 Port Dr # 205
2 bd · 2 ba · 1,014 ft²
$788K
651 Port Dr # 206
1 bd · 1 ba · 746 ft²
$550K
651 Port Dr # 207
1 bd · 1 ba · 836 ft²
$668K
651 Port Dr # 208
3 bd · 2 ba · 1,313 ft²
$960K
651 Port Dr # 301
2 bd · 2 ba · 1,113 ft²
$858K
651 Port Dr # 302
2 bd · 2 ba · 1,113 ft²
$888K
651 Port Dr # 303
1 bd · 1 ba · 746 ft²
$527K
651 Port Dr # 304
2 bd · 2 ba · 990 ft²
$829K
651 Port Dr # 305
2 bd · 2 ba · 1,014 ft²
$849K
651 Port Dr # 306
1 bd · 1 ba · 746 ft²
$608K
651 Port Dr # 307
1 bd · 1 ba · 836 ft²
$608K
651 Port Dr # 308
3 bd · 2 ba · 1,313 ft²
$1.1M

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

About 651 Port Dr

How many units are in 651 Port Dr, San Mateo, CA?

651 Port Dr, San Mateo, CA has 24 residential units across 3 floors, built in 1982, according to county assessor records.

What is a unit at 651 Port Dr, San Mateo, CA worth?

The median TopHap Estimate across the 24 units at 651 Port Dr, San Mateo, CA is $786,649. That works out to $755 per square foot. Units run from 746 to 1,313 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 651 Port Dr, San Mateo, CA expensive for San Mateo?

Units at 651 Port Dr, San Mateo, CA carry a median of $755 per square foot, 8% below the San Mateo median of $820 per square foot.

How often do units sell at 651 Port Dr, San Mateo, CA?

0 units at 651 Port Dr, San Mateo, CA sold in the last 12 months, out of 69 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 651 Port Dr, San Mateo, CA appreciated?

Across 44 repeat sales of the same unit, 651 Port Dr, San Mateo, CA returned a median 4.5% 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 7.2 years.

What floor plans does 651 Port Dr, San Mateo, CA have?

The most common plan at 651 Port Dr, San Mateo, CA is a 1-bedroom of 746 square feet, repeated 6 times, with a median estimate of $566,301. TopHap identifies 7 recurring plans in the building.

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