CondominiumResidential
320 Peninsula Ave
SAN MATEO, CA 94401
1.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 19874 floors92 units667–1,158 ft²
$54M
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.
$606K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$648
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
-29.3%vs the San Mateo ZIP median sale $/ft² ($917)
Sales Performance
$572K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
-9.3%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
1.1%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+4.9%per yeartypical hold 6.2 yrsfrom 209 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19881993199920042010201520212026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19881993199920042010201520212026
309 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.
1 bd2 bd
1 bed
11 units$612K · $646/ft²
2 bed
81 units$605K · $649/ft²
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 · 930 ft²
64 units$605K · $651/ft²
2 bd · 2 ba · 908 ft²
12 units$587K · $647/ft²
1 bd · 1 ba · 667 ft²
4 units$456K · $683/ft²
1 bd · 1.5 ba · 952 ft²
4 units$615K · $646/ft²
2 bd · 2 ba · 1,012 ft²
4 units$649K · $641/ft²
1 bd · 1 ba · 1,158 ft²
2 units$677K · $584/ft²
One-off layouts
2 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.
$454K–$456K
2 units
$523K–$549K
2 units
$564K–$580K
8 units
$583K–$613K
42 units
$614K–$645K
18 units
$647K–$670K
12 units
$679K–$710K
4 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
$644/ft²19 units · -1%
Floor 2
$644/ft²22 units · -1%
Floor 3
$664/ft²23 units · +2%
Floor 4
$666/ft²24 units · +3%
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 ·12
$716/ft²3 units · +11%
Line ·18
$675/ft²4 units · +4%
Line ·09
$674/ft²4 units · +4%
Line ·19
$666/ft²4 units · +3%
Line ·05
$665/ft²4 units · +3%
Line ·03
$665/ft²4 units · +3%
Line ·02
$665/ft²4 units · +3%
Line ·07
$661/ft²4 units · +2%
Line ·21
$660/ft²4 units · +2%
Line ·15
$660/ft²4 units · +2%
Line ·08
$657/ft²4 units · +1%
Line ·14
$657/ft²4 units · +1%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.59%
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.15.0 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.41%
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.47%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$617,421
Median tax billThe middle annual property tax bill among the building's units.$7,846
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.1
Recent SalesThe latest recorded arms-length sales in the building, newest first.
Unit 215Aug 20, 2026$571,500$629/ft²Unit 318Oct 9, 2025$709,000$762/ft²Unit 408May 29, 2025$590,000$634/ft²Unit 115Apr 21, 2025$600,000$661/ft²Unit 407Oct 30, 2024$660,000$710/ft²Unit 220May 8, 2024$730,000$630/ft²Unit 308Apr 17, 2024$675,000$726/ft²Unit 412Feb 15, 2024$565,000$847/ft²Unit 414Jan 2, 2024$699,500$752/ft²Unit 120Oct 18, 2023$510,000$551/ft²
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
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.1 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.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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountySAN MATEO
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.
HEM
San Mateo High SchoolA-
High · Grades 9–12 · 0.5 mi
San Mateo Park Elementary SchoolD-
Elementary · Grades KG–5 · 0.7 mi
Borel Middle SchoolB
Middle · Grades 6–8 · 2.1 mi
District: San Mateo-Foster City Elementary School District
Neighborhood · ZIP 94401These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.537
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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.32,992
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,021 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,608
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$152,157
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.20 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.
320 Peninsula Ave # 101
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 102
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 103
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 104
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 105
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 106
1 bd · 1.5 ba · 952 ft²
320 Peninsula Ave # 107
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 108
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 109
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 110
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 111
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 112
1 bd · 1 ba · 667 ft²
320 Peninsula Ave # 113
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 114
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 115
2 bd · 2 ba · 908 ft²
320 Peninsula Ave # 116
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 117
2 bd · 2 ba · 908 ft²
320 Peninsula Ave # 118
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 119
2 bd · 2 ba · 908 ft²
320 Peninsula Ave # 120
1 bd · 1 ba · 926 ft²
320 Peninsula Ave # 121
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 122
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 201
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 202
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 203
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 204
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 205
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 206
1 bd · 1.5 ba · 952 ft²
320 Peninsula Ave # 207
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 208
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 209
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 210
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 211
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 212
1 bd · 1 ba · 667 ft²
320 Peninsula Ave # 213
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 214
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 215
2 bd · 2 ba · 908 ft²
320 Peninsula Ave # 216
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 217
2 bd · 2 ba · 908 ft²
320 Peninsula Ave # 218
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 219
2 bd · 2 ba · 908 ft²
320 Peninsula Ave # 220
2 bd · 2 ba · 1,158 ft²
320 Peninsula Ave # 221
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 222
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 301
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 302
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 303
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 304
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 305
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 306
1 bd · 1.5 ba · 952 ft²
320 Peninsula Ave # 307
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 308
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 309
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 310
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 311
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 312
1 bd · 1 ba · 667 ft²
320 Peninsula Ave # 313
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 314
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 315
2 bd · 2 ba · 908 ft²
320 Peninsula Ave # 316
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 317
2 bd · 2 ba · 908 ft²
320 Peninsula Ave # 318
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 319
2 bd · 2 ba · 908 ft²
320 Peninsula Ave
1 bd · 1 ba · 1,158 ft²
320 Peninsula Ave # 321
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 322
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 323
2 bd · 2 ba · 1,012 ft²
320 Peninsula Ave # 324
2 bd · 2 ba · 1,012 ft²
320 Peninsula Ave # 401
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 402
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 403
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 404
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 405
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 406
1 bd · 1.5 ba · 952 ft²
320 Peninsula Ave # 407
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 408
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 409
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 410
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 411
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 412
1 bd · 1 ba · 667 ft²
320 Peninsula Ave # 413
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 414
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 415
2 bd · 2 ba · 908 ft²
320 Peninsula Ave # 416
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 417
2 bd · 2 ba · 908 ft²
320 Peninsula Ave # 418
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 419
2 bd · 2 ba · 908 ft²
320 Peninsula Ave # 420
1 bd · 1 ba · 1,158 ft²
320 Peninsula Ave # 421
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 422
2 bd · 2 ba · 930 ft²
320 Peninsula Ave # 423
2 bd · 2 ba · 1,012 ft²
320 Peninsula Ave # 424
2 bd · 2 ba · 1,012 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 320 Peninsula Ave
How many units are in 320 Peninsula Ave, San Mateo, CA?
320 Peninsula Ave, San Mateo, CA has 92 residential units across 4 floors, built in 1987, according to county assessor records.
What is a unit at 320 Peninsula Ave, San Mateo, CA worth?
The median TopHap Estimate across the 92 units at 320 Peninsula Ave, San Mateo, CA is $605,677. That works out to $648 per square foot. Units run from 667 to 1,158 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 320 Peninsula Ave, San Mateo, CA expensive for San Mateo?
Units at 320 Peninsula Ave, San Mateo, CA carry a median of $648 per square foot, 29% below the San Mateo median of $917 per square foot.
How often do units sell at 320 Peninsula Ave, San Mateo, CA?
1 units at 320 Peninsula Ave, San Mateo, CA sold in the last 12 months, out of 309 recorded arms-length sales all time. That is a turnover rate of 1.1% of the building per year. The median sale over that period was $572K.
Have units at 320 Peninsula Ave, San Mateo, CA appreciated?
Across 209 repeat sales of the same unit, 320 Peninsula Ave, San Mateo, CA returned a median 4.9% 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 6.2 years.
What floor plans does 320 Peninsula Ave, San Mateo, CA have?
The most common plan at 320 Peninsula Ave, San Mateo, CA is a 2-bedroom of 930 square feet, repeated 64 times, with a median estimate of $605,430. TopHap identifies 6 recurring plans in the building.
More homes on Peninsula Ave
- 320 Peninsula Ave # 215$570K2 bd · 2 ba · 908 ft² · Sold $572K · Aug 2026
- 904 Peninsula Ave # 307$585K1 bd · 1 ba · 693 ft² · Sold $590K · Jun 2026
- 320 Peninsula Ave # 101$591K2 bd · 2 ba · 930 ft² · Sold Jun 2026
- 948 Peninsula Ave$918K2 bd · 1.5 ba · 1,152 ft² · Sold $929K · May 2026
- 934 Peninsula Ave # 411$508K2 bd · 2 ba · 903 ft² · Sold $515K · Apr 2026
- 934 Peninsula Ave # 301$473K1 bd · 1 ba · 693 ft² · Sold $480K · Mar 2026
- 974 Peninsula Ave$1.1M3 bd · 2.5 ba · 1,394 ft² · Sold $1.1M · Mar 2026
- 320 Peninsula Ave # 107$578K2 bd · 2 ba · 930 ft² · Sold $590K · Feb 2026
- 902 Peninsula Ave # 205$560K1 bd · 1 ba · 693 ft² · Sold $575K · Dec 2025
- 320 Peninsula Ave # 318$687K2 bd · 2 ba · 930 ft² · Sold $709K · Oct 2025
- 928 Peninsula Ave # 210$423K1 ba · 473 ft² · Sold $436K · Oct 2025
- 934 Peninsula Ave # 205$677K2 bd · 1 ba · 903 ft² · Sold $700K · Sep 2025
Closest homes
- 320 Peninsula Ave$593K0 ft · 2 bd · 2 ba · 930 ft² · Sold Jan 1900
- 320 Peninsula Ave$618K0 ft · 2 bd · 2 ba · 930 ft² · Sold $740K · Nov 2020
- 320 Peninsula Ave$600K2 ft · 2 bd · 2 ba · 930 ft² · Sold Jan 1900
- 320 Peninsula Ave$613K29 ft · 2 bd · 2 ba · 930 ft² · Sold $638K · Apr 2017
- 320 Peninsula Ave$597K29 ft · 2 bd · 2 ba · 930 ft² · Sold $207K · Jun 1999
- 320 Peninsula Ave$602K29 ft · 2 bd · 2 ba · 930 ft² · Sold $325K · Nov 2010
- 320 Peninsula Ave$623K30 ft · 2 bd · 2 ba · 930 ft² · Sold $689K · Sep 2023
- 320 Peninsula Ave$705K33 ft · 1 bd · 1 ba · 1,158 ft² · Sold $369K · Sep 2003
More homes in San Mateo 94401
- 174 Tilton Ave$1.2M3 bd · 2 ba · 1,370 ft² · Sold $1.2M · Sep 2026
- 835 N Humboldt St$575K1 bd · 1 ba · 693 ft² · Sold $575K · Sep 2026
- 1503 Cobb St$1.2M3 bd · 1 ba · 1,000 ft² · Sold $1.3M · Sep 2026
- 160 Tilton Ave$1.2M3 bd · 2.5 ba · 1,374 ft² · Sold $1.2M · Sep 2026
- 35 9th Ave$1.3M2 bd · 2 ba · 1,680 ft² · Sold $1.3M · Sep 2026
- 1424 Hemlock Ave$990K2 bd · 1 ba · 820 ft² · Sold $1.1M · Sep 2026
- 845 N Humboldt St$525K1 bd · 1 ba · 693 ft² · Sold $535K · Sep 2026
- 240 N Fremont St$1.2M2 bd · 1 ba · 1,320 ft² · Sold $1.2M · Sep 2026
- 847 N Humboldt St$520K1 bd · 1 ba · 693 ft² · Sold $520K · Sep 2026
- 835 S Bayshore Blvd$1.3M3 bd · 2.5 ba · 1,775 ft² · Sold $1.3M · Sep 2026
- 756 Kathryne Ave$1.3M2 bd · 1 ba · 820 ft² · Sold $1.3M · Sep 2026
- 814 N Delaware St$480K1 ba · 504 ft² · Sold $480K · Sep 2026
Assigned schools
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