CondominiumResidential
2177 Alum Rock Ave
SAN JOSE, CA 95116
1,749 ft²
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.
Built 20057 floors66 units996–1,633 ft²
$40M
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.
$617K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$530
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
-14.6%vs the San Jose ZIP median sale $/ft² ($621)
Sales Performance
$580K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+0.0%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
4
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
6.1%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+2.2%per yeartypical hold 6.1 yrsfrom 92 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20052011201420162019202120242026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20052011201420162019202120242026
161 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.
2 bd3 bd
2 bed
33 units$569K · $541/ft²
3 bed
33 units$640K · $525/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.
3 bd · 2.5 ba · 1,216 ft²
15 units$642K · $528/ft²
2 bd · 2 ba · 996 ft²
14 units$546K · $549/ft²
3 bd · 2 ba · 1,217 ft²
12 units$639K · $525/ft²
2 bd · 2 ba · 1,027 ft²
9 units$569K · $554/ft²
3 bd · 2 ba · 1,633 ft²
4 units$791K · $484/ft²
2 bd · 2 ba · 1,050 ft²
3 units$575K · $548/ft²
2 bd · 2 ba · 1,077 ft²
3 units$573K · $532/ft²
2 bd · 2 ba · 1,142 ft²
3 units$592K · $519/ft²
3 bd · 2 ba · 1,196 ft²
2 units$617K · $516/ft²
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.
$505K–$542K
7 units
$545K–$578K
15 units
$580K–$615K
11 units
$619K–$648K
28 units
$690K–$690K
1 unit
$780K–$803K
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.
Floors 1–2
$542/ft²47 units · +2%
Floor 3
$518/ft²5 units · -2%
Floors 4–5
$517/ft²6 units · -2%
Floor 6
$529/ft²5 units · +0%
Floor 7
$511/ft²3 units · -4%
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 ·14
$544/ft²5 units · +3%
Line ·12
$530/ft²7 units · +0%
Line ·11
$529/ft²7 units · +0%
Line ·13
$526/ft²5 units · -1%
Line ·15
$518/ft²3 units · -2%
Line ·23
$517/ft²3 units · -2%
Line ·25
$513/ft²3 units · -3%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.80%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.11%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.10.5 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.25%
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.49%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$653,165
Median tax billThe middle annual property tax bill among the building's units.$7,816
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 111Jul 7, 2026$580,000$565/ft²Unit 129Apr 27, 2026$575,000$577/ft²Unit 134Feb 19, 2026$589,000$591/ft²Unit 128Jan 12, 2026$580,000$539/ft²Unit 217Sep 9, 2025$580,000$582/ft²Unit 139May 9, 2024$650,000$653/ft²Unit 116Apr 30, 2024$625,000$609/ft²Unit 118Apr 19, 2024$672,000$624/ft²Unit 411Aug 30, 2023$780,000$641/ft²Unit 122Dec 12, 2022$570,000$572/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
Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.31
15
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
41
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
31
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
24
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.12 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.Spanish
CountySANTA CLARA
Lot (acres)The size of the land the home sits on, from county records.0.04
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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.
EHM
Russo / McEntee AcademyC
Elementary · Grades KG–5 · 0.9 mi
Independence High SchoolB+
High · Grades 9–12 · 1.0 mi
William Sheppard Middle SchoolD+
Middle · Grades 6–8 · 1.2 mi
District: Alum Rock Union Elementary School District
Neighborhood · ZIP 95116These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.475
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.50,895
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.14,111 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,674
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103,883
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.73%
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.
2177 Alum Rock Ave # 111
2 bd · 2 ba · 1,027 ft²
2177 Alum Rock Ave # 112
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 113
2 bd · 2 ba · 1,050 ft²
2177 Alum Rock Ave # 114
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 115
3 bd · 2 ba · 1,217 ft²
2177 Alum Rock Ave # 116
2 bd · 2 ba · 1,027 ft²
2177 Alum Rock Ave # 117
3 bd · 2 ba · 1,217 ft²
2177 Alum Rock Ave # 118
2 bd · 2 ba · 1,077 ft²
2177 Alum Rock Ave # 121
2 bd · 2 ba · 1,027 ft²
2177 Alum Rock Ave # 122
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 123
2 bd · 2 ba · 1,050 ft²
2177 Alum Rock Ave # 124
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 125
3 bd · 2 ba · 1,217 ft²
2177 Alum Rock Ave # 126
2 bd · 2 ba · 1,027 ft²
2177 Alum Rock Ave # 127
3 bd · 2 ba · 1,217 ft²
2177 Alum Rock Ave # 128
2 bd · 2 ba · 1,077 ft²
2177 Alum Rock Ave # 129
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 131
2 bd · 2 ba · 1,027 ft²
2177 Alum Rock Ave # 132
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 133
2 bd · 2 ba · 1,050 ft²
2177 Alum Rock Ave # 134
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 135
3 bd · 2 ba · 1,217 ft²
2177 Alum Rock Ave # 136
2 bd · 2 ba · 1,027 ft²
2177 Alum Rock Ave # 137
3 bd · 2 ba · 1,217 ft²
2177 Alum Rock Ave # 138
2 bd · 2 ba · 1,077 ft²
2177 Alum Rock Ave # 139
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 211
2 bd · 2 ba · 1,142 ft²
2177 Alum Rock Ave # 212
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 213
3 bd · 2 ba · 1,217 ft²
2177 Alum Rock Ave # 214
2 bd · 2 ba · 1,027 ft²
2177 Alum Rock Ave # 215
3 bd · 2 ba · 1,217 ft²
2177 Alum Rock Ave # 216
3 bd · 2 ba · 1,196 ft²
2177 Alum Rock Ave
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 221
2 bd · 2 ba · 1,142 ft²
2177 Alum Rock Ave # 222
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 223
3 bd · 2 ba · 1,217 ft²
2177 Alum Rock Ave # 224
2 bd · 2 ba · 1,027 ft²
2177 Alum Rock Ave # 225
3 bd · 2 ba · 1,217 ft²
2177 Alum Rock Ave # 226
3 bd · 2 ba · 1,196 ft²
2177 Alum Rock Ave # 227
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 231
2 bd · 2 ba · 1,142 ft²
2177 Alum Rock Ave # 232
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 233
3 bd · 2 ba · 1,217 ft²
2177 Alum Rock Ave # 234
2 bd · 2 ba · 1,027 ft²
2177 Alum Rock Ave # 235
3 bd · 2 ba · 1,217 ft²
2177 Alum Rock Ave # 236
2 bd · 2 ba · 1,032 ft²
2177 Alum Rock Ave # 237
2 bd · 2 ba · 996 ft²
2177 Alum Rock Ave # 311
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 312
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 313
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 314
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 325
3 bd · 2 ba · 1,633 ft²
2177 Alum Rock Ave # 411
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 412
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 413
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 414
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 511
3 bd · 2 ba · 1,633 ft²
2177 Alum Rock Ave # 512
3 bd · 2 ba · 1,633 ft²
2177 Alum Rock Ave # 611
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 612
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 613
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 614
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 615
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 711
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 712
3 bd · 2.5 ba · 1,216 ft²
2177 Alum Rock Ave # 723
3 bd · 2 ba · 1,633 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 2177 Alum Rock Ave
How many units are in 2177 Alum Rock Ave, San Jose, CA?
2177 Alum Rock Ave, San Jose, CA has 66 residential units across 7 floors, built in 2005, according to county assessor records.
What is a unit at 2177 Alum Rock Ave, San Jose, CA worth?
The median TopHap Estimate across the 66 units at 2177 Alum Rock Ave, San Jose, CA is $617,102. That works out to $530 per square foot. Units run from 996 to 1,633 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 2177 Alum Rock Ave, San Jose, CA expensive for San Jose?
Units at 2177 Alum Rock Ave, San Jose, CA carry a median of $530 per square foot, 15% below the San Jose median of $621 per square foot.
How often do units sell at 2177 Alum Rock Ave, San Jose, CA?
4 units at 2177 Alum Rock Ave, San Jose, CA sold in the last 12 months, out of 161 recorded arms-length sales all time. That is a turnover rate of 6.1% of the building per year. The median sale over that period was $580K.
Have units at 2177 Alum Rock Ave, San Jose, CA appreciated?
Across 92 repeat sales of the same unit, 2177 Alum Rock Ave, San Jose, CA returned a median 2.2% 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 6.1 years.
What floor plans does 2177 Alum Rock Ave, San Jose, CA have?
The most common plan at 2177 Alum Rock Ave, San Jose, CA is a 3-bedroom of 1,216 square feet, repeated 15 times, with a median estimate of $642,038. TopHap identifies 9 recurring plans in the building.
More homes on Alum Rock Ave
- 5290 Alum Rock Ave$1.3M4 bd · 2 ba · 2,155 ft² · Sold $493K · Oct 2026
- 4303 Alum Rock Ave$791K2 bd · 2 ba · 1,140 ft² · Sold $790K · Aug 2026
- 16141 Alum Rock Ave$1.4M3 bd · 2 ba · 2,070 ft² · Sold $1.4M · Aug 2026
- 15900 Alum Rock Ave$1.2M4 bd · 2 ba · 1,672 ft² · Sold $1.2M · Aug 2026
- 2177 Alum Rock Ave # 111$578K2 bd · 2 ba · 1,027 ft² · Sold $580K · Jul 2026
- 5530 Alum Rock Ave$1.4M2 bd · 1 ba · 1,280 ft² · Sold $1.4M · May 2026
- 2177 Alum Rock Ave # 129$571K2 bd · 2 ba · 996 ft² · Sold $575K · Apr 2026
- 1661 Alum Rock Ave3,410 ft² · Sold $2.8M · Mar 2026
- 2177 Alum Rock Ave # 134$583K2 bd · 2 ba · 996 ft² · Sold $589K · Feb 2026
- 1665 Alum Rock Ave1.5 ba · 840 ft² · Sold $2.2M · Jan 2026
- 2177 Alum Rock Ave # 128$573K2 bd · 2 ba · 1,077 ft² · Sold $580K · Jan 2026
- 4473 Alum Rock Ave$968K3 bd · 2 ba · 2,152 ft² · Sold $950K · Sep 2025
Closest homes
- 2177 Alum Rock Ave$627K0 ft · 3 bd · 2 ba · 1,217 ft² · Sold $201K · Apr 2012
- 2177 Alum Rock Ave$637K0 ft · 3 bd · 2 ba · 1,217 ft² · Sold $405K · Sep 2015
- 2177 Alum Rock Ave$611K49 ft · 2 bd · 2 ba · 1,027 ft² · Sold $625K · Apr 2024
- 2177 Alum Rock Ave$556K49 ft · 2 bd · 2 ba · 1,027 ft² · Sold $175K · Aug 2011
- 2177 Alum Rock Ave$569K49 ft · 2 bd · 2 ba · 1,027 ft² · Sold $570K · Mar 2018
- 2177 Alum Rock Ave$573K42 ft · 2 bd · 2 ba · 1,077 ft² · Sold $580K · Jan 2026
- 2177 Alum Rock Ave$560K42 ft · 2 bd · 2 ba · 1,077 ft² · Sold $360K · Jun 2015
- 2177 Alum Rock Ave$636K42 ft · 2 bd · 2 ba · 1,077 ft² · Sold $672K · Apr 2024
More homes in San Jose 95116
- 169 S King Rd$725K2 bd · 1 ba · 960 ft² · Sold $840K · Oct 2026
- 151 N 24th St$825K2 bd · 1 ba · 904 ft² · Sold $856K · Oct 2026
- 88 N Jackson Ave$621K3 bd · 2 ba · 1,200 ft² · Sold $600K · Oct 2026
- 210 Damsen Dr$489K2 bd · 2 ba · 974 ft² · Sold $489K · Oct 2026
- 2442 Clyda Dr1,400 ft² · Sold $1M · Oct 2026
- 211 Checkers Dr$899K4 bd · 2 ba · 1,525 ft² · Sold $935K · Oct 2026
- 749 Forestdale Ave3,575 ft² · Sold $1.4M · Oct 2026
- 2187 Luz Ave$422K2 bd · 1.5 ba · 956 ft² · Sold $350K · Oct 2026
- 930 E San Fernando St1 bd · 1 ba · 1,656 ft² · Sold $139K · Sep 2026
- 334 Bonita Ave$1.2M8 bd · 5 ba · 2,927 ft² · Sold $1.3M · Sep 2026
- 729 Forestdale Ave3,575 ft² · Sold $1.3M · Sep 2026
- 64 Melrose Ave$785K3 bd · 1 ba · 632 ft² · Sold $820K · Sep 2026
Assigned schools
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