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CondominiumResidential
Last sold for $450,000 on Feb 9, 2018

34800 STARLING DR

UNION CITY, CA 94587
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
Built 19722 units798–903 ft²
$1M
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.
$515K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$607
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-16.4%vs the Union City ZIP median sale $/ft² ($726)

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.
+3.3%per yeartypical hold 5.7 yrsfrom 10 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
19891996200120052006200920182023
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
19891996200120052006200920182023

16 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
2 units

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.50%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.50%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.16.5 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.67%
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.0%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$509,908
Median tax billThe middle annual property tax bill among the building's units.$3,325
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 3Aug 3, 2023$47,250,000Unit 3Jun 30, 2023$47,250,000BuildingFeb 10, 2022$510,000BuildingFeb 9, 2018$450,000Unit 3Jun 28, 2010$174,500Unit 4Aug 7, 2009$138,000BuildingMar 4, 2008$215,000Unit 3Jan 9, 2006$340,000BuildingJun 24, 2005$340,000Unit 4Dec 7, 2004$298,000

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.$7,279 (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.$480,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$144,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$336,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$512,014
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$492,030

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyALAMEDA
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.1984
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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(2)

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

H
James Logan High SchoolA-
High · Grades 9–12 · 0.6 mi
E
Guy Emanuele Elementary SchoolB+
Elementary · Grades KG–5 · 1.2 mi
M
Cesar Chavez Middle SchoolC-
Middle · Grades 6–8 · 1.6 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.

34800 Starling Dr
2 bd · 1 ba · 810 ft²
$450K
34800 Starling Dr
2 bd · 1 ba · 903 ft²
$572K
34800 Starling Dr
2 bd · 1 ba · 903 ft²
$522K
34800 Starling Dr
2 bd · 1 ba · 798 ft²
$508K

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

About 34800 Starling Dr

How many units are in 34800 Starling Dr, Union City, CA?

34800 Starling Dr, Union City, CA has 2 residential units across built in 1972, according to county assessor records.

What is a unit at 34800 Starling Dr, Union City, CA worth?

The median TopHap Estimate across the 2 units at 34800 Starling Dr, Union City, CA is $514,576. That works out to $607 per square foot. Units run from 798 to 903 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 34800 Starling Dr, Union City, CA expensive for Union City?

Units at 34800 Starling Dr, Union City, CA carry a median of $607 per square foot, 16% below the Union City median of $726 per square foot.

How often do units sell at 34800 Starling Dr, Union City, CA?

0 units at 34800 Starling Dr, Union City, CA sold in the last 12 months, out of 16 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 34800 Starling Dr, Union City, CA appreciated?

Across 10 repeat sales of the same unit, 34800 Starling Dr, Union City, CA returned a median 3.3% 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 5.7 years.

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