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830 Union Street, San Francisco, CA 94133 Property Information

830 Union Street, San Francisco, CA 94133 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Neighborhood
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830 Union Street, San Francisco, CA 94133
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Address

Primary address 830 Union Street, San Francisco
Zip code 94133
County San Francisco
Neighborhood Russian Hill
Parcel ID 0100-015

Sales & Tax Overview for 830 Union Street, San Francisco

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Property tax $9,921

Lot & Building Information for 830 Union Street, San Francisco

Building sqft 6,165
Building class Apartments 5 to 14 Units (A5)
Acreage 0.052
Depth 60
Rooms 20
Units 5
Year built 1949
Stories 3
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district San Francisco Unified School District

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Other Property Data for 830 Union Street, San Francisco

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About 830 Union Street, San Francisco

What is the year built & the total sq. ft. for 830 Union Street, San Francisco, CA 94133?

830 Union Street, San Francisco, CA 94133 was built in 1949 and has a total of 6,165 square feet.

What is the assessed value of 830 Union Street, San Francisco, CA 94133 and the property tax paid?

Assessed at $838,803, the tax amount paid for 830 Union Street, San Francisco, CA 94133 is $9,920.

When was 830 Union Street, San Francisco, CA 94133 last sold?

830 Union Street, San Francisco, CA 94133 was last sold in 03/08/2022.

How many residential units does this building have?

This building has 5 residential unit(s).

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
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Past Sales & Property History for 830 Union Street, San Francisco

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No recorded sales for this property.

Title Documents for 830 Union Street, San Francisco

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
03/06/2025 Decree Distrbtn Final
04/02/2024 Decree Distrbtn Final
03/08/2022 Grant Deed
03/17/2005 Deed
10/11/1994 Deed
01/17/1991 Deed
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R: Recorded date
D: Document date

Property Taxes for 830 Union Street, San Francisco

Access detailed property tax data for 830 Union Street, San Francisco, CA 94133. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $9,921
Market value $838,803

Assessment History for 830 Union Street, San Francisco

Here's the assessment & property tax history for 830 Union Street, San Francisco, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $838,803 1.1827 $9,921 +2.96%
2024-2025 $822,572 1.1714 $9,636 +1.45%
2023-2024 $806,482 1.1777 $9,498 +1.82%
2022-2023 $790,685 1.1797 $9,328 +1.75%
2021-2022 $775,277 1.18248 $9,167 -0.38%

San Francisco residential market stats

Median Sale Price
$1,385,000
2.6% YoY
Median Price/Sqft
$1,098
7.5% YoY
San Francisco County Median Sale Price
$1,385,000
2.6% YoY

Access a detailed real estate market overview of San Francisco so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in San Francisco and compare it to other neighborhoods in San Francisco County.

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Demographics by Zip Code

Total population 23,804
Median age 45.5
Average household income $153,281
Family households 39.1%
Occupied housing units 12,653
Owner occupied units 16.5%
Average number of people per household 1.87
Median year structure built 1938
Median value for units with a mortgage $1,603,200
Median value for units without a mortgage $1,517,100

Risk

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FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map
Crime incidents map

Transportation

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Neighbors for 830 Union Street, San Francisco

Here are the neighbors for 830 Union Street, San Francisco.

Address Square feet Purchase date Purchase price
33 Aladdin Ter, San Francisco 1,866 09/29/2020 $305,000
888 Union St, San Francisco 10,070 04/11/2023 $4,000,000
822 Union St, San Francisco 2,196 09/19/2025 $3,500,000
1827 Mason St, San Francisco 3,105 01/26/1996
806 Union St, San Francisco 3,600 07/21/2025 $1,838,000
1833 Mason St, San Francisco 3,252 09/03/2025
852 Union St, San Francisco 3,900 03/29/2024 $1,710,000
858 Union St, San Francisco 4,731 02/22/2022
15 Aladdin Ter, San Francisco 2,600 01/28/2020 $2,600,000
24 Kent St, San Francisco 2,050 01/21/2016
1839 Mason St, San Francisco 4,434 07/11/2014
1916 Taylor St, San Francisco 1,680 06/10/2022 $1,000,000
22 Aladdin Ter, San Francisco 1,438 07/01/2022
28 Aladdin Ter, San Francisco 1,910 12/05/1997 $455,000
14 Kent St, San Francisco 2,628 12/18/2012
1920 Taylor St, San Francisco 3,795 10/12/2021
1819 Mason St, San Francisco 305 06/28/2022
1845 Mason St, San Francisco 3,990 11/09/2022
878 Union St, San Francisco 4,526 12/17/2025
1807 Mason St, San Francisco 3,240 02/02/2021

Nearby ZIP Codes for 830 Union Street, San Francisco

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