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CondominiumResidential
Last sold for $725,000 on Apr 1, 2020

1920 UNION ST

OAKLAND, CA 94607
0.41 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
Built 193011 units776–2,141 ft²
$3.9M
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.
$388K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$279
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-33.1%vs the Oakland ZIP median sale $/ft² ($417)

Sales Performance

$435K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+32.2%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
9.1%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.5%per yeartypical hold 7.9 yrsfrom 14 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20072008201120132020202120252026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20072008201120132020202120252026

31 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.
$264K$347K$429K$511K776 ft²1,049 ft²1,322 ft²1,595 ft²1,868 ft²2,141 ft²
1 bd2 bd
1 bed
8 units
2 bed
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.

$264K–$293K
2 units
$331K–$332K
2 units
$357K–$357K
1 unit
$418K–$418K
1 unit
$458K–$459K
2 units
$494K–$511K
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.27%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.27%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.13.2 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.40%
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.87%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$389,251
Median tax billThe middle annual property tax bill among the building's units.$8,832
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 8Mar 25, 2026$435,000Unit 2May 30, 2025$329,000Unit 12Dec 21, 2022$523,000Unit 6Mar 4, 2022$600,000Unit 3Nov 18, 2021$550,000BuildingFeb 24, 2021$615,000BuildingOct 2, 2020$950,000BuildingAug 11, 2020$1,310,000BuildingApr 1, 2020$725,000BuildingMar 12, 2020$300,000

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.$12,044 (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.$808,737 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$242,621
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$566,116
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$792,881
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$753,480

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.11%
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
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.1973
Lot (acres)The size of the land the home sits on, from county records.0.41
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(6)

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

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

M
West Oakland Middle SchoolD
Middle · Grades 6–8 · 0.5 mi
H
McClymonds High SchoolD-
High · Grades 9–12 · 0.5 mi
E
Martin Luther King Jr. Elementary SchoolF
Elementary · Grades KG–5 · 0.6 mi

District: Oakland Unified School District

Neighborhood · ZIP 94607These 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.169
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.422

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.31,205
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,357 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,935
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,763
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.21 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.

1920 Union St
2 bd · 3 ba · 1,977 ft²
$654K
1920 Union St
2 bd · 2 ba · 1,531 ft²
$521K
1920 Union St
1 bd · 1 ba · 1,270 ft²
$365K
1920 Union St
28,621 ft²
$598K
1920 Union St
4 bd · 2 ba · 2,749 ft²
$871K
1920 Union St
1 bd · 1 ba · 1,129 ft²
$392K
1920 Union St
2 bd · 1.5 ba · 2,448 ft²
$594K
1920 Union St
1 bd · 1 ba · 1,216 ft²
$331K
1920 Union St
1 bd · 1 ba · 1,325 ft²
$293K
1920 Union St # 3
1 bd · 1 ba · 1,696 ft²
1920 Union St # 5
1 bd · 1 ba · 776 ft²
$264K
1920 Union St # 6
1 bd · 1 ba · 859 ft²
$332K
1920 Union St # 8
1 bd · 1 ba · 1,464 ft²
$418K
1920 Union St # 10
1 bd · 1 ba · 1,089 ft²
$494K
1920 Union St # 11
2 bd · 1 ba · 1,875 ft²
$511K
1920 Union St # 12
1 bd · 1 ba · 1,066 ft²
$357K
1920 Union St # 14
2 bd · 2 ba · 1,858 ft²
$459K
1920 Union St # 15
2 bd · 2 ba · 2,141 ft²
$458K

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

About 1920 Union St

How many units are in 1920 Union St, Oakland, CA?

1920 Union St, Oakland, CA has 11 residential units across built in 1930, according to county assessor records.

What is a unit at 1920 Union St, Oakland, CA worth?

The median TopHap Estimate across the 11 units at 1920 Union St, Oakland, CA is $387,766. That works out to $279 per square foot. Units run from 776 to 2,141 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 1920 Union St, Oakland, CA expensive for Oakland?

Units at 1920 Union St, Oakland, CA carry a median of $279 per square foot, 33% below the Oakland median of $417 per square foot.

How often do units sell at 1920 Union St, Oakland, CA?

1 units at 1920 Union St, Oakland, CA sold in the last 12 months, out of 31 recorded arms-length sales all time. That is a turnover rate of 9.1% of the building per year. The median sale over that period was $435K.

Have units at 1920 Union St, Oakland, CA appreciated?

Across 14 repeat sales of the same unit, 1920 Union St, Oakland, CA returned a median 3.5% 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 7.9 years.

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