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CondominiumResidential
Last sold for $102,500 on Aug 7, 2012

511 TAMARACK DR

UNION CITY, CA 94587
1.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.
Built 19763 units1,072–1,072 ft²
$1.7M
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.
$561K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$523
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-16.7%vs the Union City ZIP median sale $/ft² ($628)

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.
+1.7%per yeartypical hold 4.9 yrsfrom 13 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
19881993199519992003200620082014
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
19881993199519992003200620082014

20 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.

2 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.
2 bd · 1.5 ba · 1,072 ft²
3 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.

$544K–$544K
1 unit
$561K–$561K
1 unit
$565K–$565K
1 unit

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.67%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.33%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.19.1 yrs
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.27%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$597,547
Median tax billThe middle annual property tax bill among the building's units.$5,927
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 2Apr 17, 2014$335,000BuildingJun 25, 2010$120,000BuildingDec 31, 2008$270,000Unit 2Nov 10, 2008$200,000Unit 3Oct 11, 2007$320,000Unit 3Feb 14, 2006$420,000BuildingSep 21, 2005$453,000Unit 2Dec 3, 2003$290,000Unit 3Sep 22, 2003$280,000Unit 3Nov 1, 1999$163,000

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

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,133 (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.$347,623 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$106,387
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$248,236
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$340,670
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$516,960

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyALAMEDA
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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

Transaction History(9)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

E
Hillview Crest Elementary SchoolC-
Elementary · Grades KG–5 · 0.8 mi
H
James Logan High SchoolB+
High · Grades 9–12 · 1.3 mi
M
Cesar Chavez Middle SchoolC-
Middle · Grades 6–8 · 1.9 mi

District: New Haven Unified School District

Neighborhood · ZIP 94587These 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.43
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.552

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.66,162
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,241 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,537
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,780
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.19 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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.

511 Tamarack Dr
2 bd · 2.5 ba · 1,072 ft²
$540K
511 Tamarack Dr
3 bd · 2.5 ba · 1,268 ft²
$655K
511 Tamarack Dr
2 bd · 1.5 ba · 1,072 ft²
$586K
511 Tamarack Dr
2 bd · 1.5 ba · 1,072 ft²
$572K
511 Tamarack Dr # 2
2 bd · 1.5 ba · 1,072 ft²
$561K
511 Tamarack Dr # 3
2 bd · 1.5 ba · 1,072 ft²
$544K
511 Tamarack Dr # 7
2 bd · 1.5 ba · 1,072 ft²
$565K

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

About 511 Tamarack Dr

How many units are in 511 Tamarack Dr, Union City, CA?

511 Tamarack Dr, Union City, CA has 3 residential units across built in 1976, according to county assessor records.

What is a unit at 511 Tamarack Dr, Union City, CA worth?

The median TopHap Estimate across the 3 units at 511 Tamarack Dr, Union City, CA is $561,097. That works out to $523 per square foot. Units run from 1,072 to 1,072 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 511 Tamarack Dr, Union City, CA expensive for Union City?

Units at 511 Tamarack Dr, Union City, CA carry a median of $523 per square foot, 17% below the Union City median of $628 per square foot.

How often do units sell at 511 Tamarack Dr, Union City, CA?

0 units at 511 Tamarack Dr, Union City, CA sold in the last 12 months, out of 20 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 511 Tamarack Dr, Union City, CA appreciated?

Across 13 repeat sales of the same unit, 511 Tamarack Dr, Union City, CA returned a median 1.7% 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 4.9 years.

What floor plans does 511 Tamarack Dr, Union City, CA have?

The most common plan at 511 Tamarack Dr, Union City, CA is a 2-bedroom of 1,072 square feet, repeated 3 times, with a median estimate of $561,097. TopHap identifies 1 recurring plans in the building.

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Assigned schools

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