San Francisco County  »  94123  »  Union St  »  1870 Union St

1870 Union Street, San Francisco, CA 94123 - Property report

Also known as: 1870 Union St

Property image for 1870 Union Street, San Francisco, CA 94123
static Mapbox map

Property type

Condominium (Z)

Year built

2007

Lot sq. ft.

3,136

General Information

Address
Primary address
1870 Union St
San Francisco, CA 94123
Zip code
94123
Neighborhood
Cow Hollow
County
San Francisco
Municipality
City of San Francisco
Parcel ID
0530-053

Owner

Find out who owns 1870 Union Street, San Francisco, CA 94123. Uncover corporate and individual owners with a free account.

Tax
Tax year
2025-2026
Base tax
$10,054
Current property tax
$9,972
Tax per sq. ft.
$9
Building
Property type
Condominium
Unit sq. ft.
1,116
Stories
2
Year built
2007
Rooms
5
Bedrooms
2
Bathrooms
2
Lot
Acreage
0.072
Zoning & use
Zoning
Union Street Neighborhood Commercial (NCD-UNION)

Area overview

Walk score
99 /100.  Walker's Paradise
Transit score
77 /100.  Excellent Transit
Bike score
71 /100.  Very Bikeable
School district
San Francisco Unified School District
Ownership

Ownership information for 1870 Union Street, San Francisco, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 1870 Union Street, San Francisco, CA 94123

No recently recorded sales for this property.

More about San Francisco County property records.

Title documents

Date Type Amount Party 1 Party 2 Doc #
05/17/2022 Trust Transfer Deed XXXXXXX XXXXX XXXXXXX XXXXX X
12/28/2021 Reconveyance XXXXXXX XXXXX XXXXXXX XXXXX
12/28/2021 Substitution Trustee XXXXXXX XXXXX XXXXXXX XXXXX
12/17/2021 Deed of Trust XXXXXXX XXXXX XXXXXXXXXX XXXX XXXXXXXX XXX
12/17/2021 Grant Deed XXXXXXX XXXXX XXXXXXX XXXXX
11/09/2012 Deed of Trust XXXXXXX XXXXX XXXX XXX
12/30/2011 Deed of Trust XXXXXXX XXXXX XXXXXXXXX XXXXXXX XXXX XXX
06/30/2009 Deed of Trust XXXXXXX XXXXX XXXXXXXX XXXXX XXXX XX
01/17/2007 Partial Reconveyance XXXXX XXXXXXXX XXXX XXXXXXXX XXXXXX
10/05/2006 Substitution Trustee XXXXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 1870 Union Street, San Francisco, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Base tax
$10,054
Current property tax
$9,972
Tax per sq. ft.
$9
Recent tax assessments
Market value
$850,128
Land value
$457,065
Building value
$393,063

More about San Francisco County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $850,128 1.1827 $10,054 +2.98%
2024-2025 $833,459 1.1714 $9,763 +1.45%
2023-2024 $817,117 1.1777 $9,623 +1.83%
2022-2023 $801,096 1.1797 $9,451 +1.76%
2021-2022 $785,389 1.18248 $9,287 -0.31%
2020-2021 $777,337 1.1984 $9,316 +3.58%
2019-2020 $762,096 1.1801 $8,993 +3.50%
2018-2019 $747,153 1.163 $8,689 +1.19%
2017-2018 $732,504 1.1723 $8,587 +1.11%
2016-2017 $718,142 1.1826 $8,493 +1.52%
Permits

Permit information for 1870 Union Street, San Francisco, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
12/23/2011

*Most recent permit on record for this property.

Neighborhood

San Francisco residential market stats

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.

Median sale price

$1,500,000

15.4% Y-o-Y

Median price/sq. ft.

$1,155

11.2% Y-o-Y

San Francisco county median sale price

$1,500,000

15.4% Y-o-Y

Check out recently sold homes in San Francisco and see how their prices compare.

Risk

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FEMA flood zones

FEMA flood zones
-
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map
Crime incidents map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 1870 Union Street, San Francisco, CA 94123 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Sherman Elementary School 5 Public K-5 287 0.22
Hamlin, The NR Private K-8 426 0.26
The Hamlin School NR Private K-8 430 0.26
Convent & Stuart Hall, Schools of the Sacred Heart NR Private K-12 1,185 0.33
Saint Brigid Academy NR Private PK-8 175 0.34
Saint Brigid Academy NR Private PK-8 175 0.34
Tule Elk Park Children Center NR Public K 71 0.36
San Francisco Public Montessori School 6 Public K-5 118 0.41
Spring Valley Elementary School 4 Public K-5 228 0.68
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Hamlin, The NR Private K-8 426 0.26
The Hamlin School NR Private K-8 430 0.26
Convent & Stuart Hall, Schools of the Sacred Heart NR Private K-12 1,185 0.33
Saint Brigid Academy NR Private PK-8 175 0.34
Marina Middle School 5 Public 6-8 676 0.42
Mary L. Booker Leadership Academy NR Charter 6-12 57 0.42
Saint Vincent De Paul NR Private K-8 255 0.44
Lilienthal (Claire) Elementary School 8 Public K-8 669 0.80
The New School of San Francisco 7 Charter K-7 439 0.84
Cooper (Sarah B.) Children Center NR Public 95 0.84
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Convent & Stuart Hall, Schools of the Sacred Heart NR Private K-12 1,185 0.33
Mary L. Booker Leadership Academy NR Charter 6-12 57 0.42
Galileo High School 8 Public 9-12 1,826 0.51
San Francisco Waldorf School NR Private K-12 404 0.81
Cooper (Sarah B.) Children Center NR Public 95 0.84
San Francisco University High School NR Private 9-12 416 0.97
Drew School NR Private 9-12 291 0.98
Gateway High School 8 Charter 9-12 489 1.08
Sacred Heart Cathedral Preparatory NR Private 9-12 1,329 1.08
S.F. County Civic Center Secondary 2 Public 6-12 58 1.28

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 1870 Union Street, San Francisco, CA

3025 Buchanan St, San Francisco 42 Service St, San Francisco 2118 Union St, San Francisco 1345 Green St, San Francisco 1866 Union St, San Francisco 1671 Filbert St, San Francisco 1790 Green St, San Francisco 1347 Green St, San Francisco 1855 Broadway, San Francisco 1414 Union St, San Francisco 1412 Union St, San Francisco 3116 Pierce St, San Francisco 2049 Vallejo St, San Francisco 1843 Filbert St, San Francisco 3065 Steiner St, San Francisco 3063 Steiner St, San Francisco 2047 Vallejo St, San Francisco 2147 Greenwich St, San Francisco 44 Service St, San Francisco 3118 Pierce St, San Francisco

Nearby ZIP codes for 1870 Union Street, San Francisco, CA

94102, San Francisco County, CA 94103, San Francisco County, CA 94104, San Francisco County, CA 94105, San Francisco County, CA 94108, San Francisco County, CA 94109, San Francisco County, CA 94110, San Francisco County, CA 94111, San Francisco County, CA 94114, San Francisco County, CA 94115, San Francisco County, CA 94118, San Francisco County, CA 94121, San Francisco County, CA 94122, San Francisco County, CA 94127, San Francisco County, CA 94129, San Francisco County, CA 94131, San Francisco County, CA 94133, San Francisco County, CA 94158, San Francisco County, CA

Frequently asked questions

What is the year built for 1870 Union Street, San Francisco, CA 94123?

The development at 1870 Union Street, San Francisco, CA 94123 was built in 2007.

What is the total square footage of 1870 Union Street, San Francisco, CA 94123?

1870 Union Street, San Francisco, CA 94123 has a total of 1,116 square feet.

What is the assessed value of 1870 Union Street, San Francisco, CA 94123?

1870 Union Street, San Francisco, CA 94123 is currently assessed at $850,128.

What are the property taxes for 1870 Union Street, San Francisco, CA 94123?

The property taxes for 1870 Union Street, San Francisco, CA 94123 total $10,054.

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Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

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