San Francisco County » 94133 » Union St » 840 Union St

840 Union Street, San Francisco, CA 94133 - Property report

Also known as: 840 Union St

Property image for 840 Union Street, San Francisco, CA 94133

Property type

Flats & Duplex (F)

Year built

1959

Lot sq. ft.

3,093

Sale price

$1,600,000

General Information

Address

Primary address

840 Union St
San Francisco, CA 94133

Alternate address(es)

842 Union St

Zip code

94133

Neighborhood

Russian Hill

County

San Francisco

Municipality

City of San Francisco

Parcel ID

0100-043

Sales

Sale date

08/26/2004

Sale price

$1,600,000

Arm's length

Tax

Tax year

2025-2026

Property tax

$33,240

Tax per sq. ft.

$15

Building

Property type

Flats & Duplex

Building sq. ft.

2,257

Stories

Year built

1959

Building material

Rooms

Bathrooms

Lot

Acreage

0.071

Zoning & use

Zoning

Residential- Mixed, Low Density (RM-1)

Units

Area overview

Walk score

99 /100. Walker's Paradise

Transit score

87 /100. Excellent Transit

Bike score

65 /100. Bikeable

School district

San Francisco Unified School District

Ownership

Ownership information for 840 Union Street, San Francisco, CA

Property owner name

Registered owner

Source

Deed

Owner contact information

Phone number

Owner address

Documents

Sales history for 840 Union Street, San Francisco, CA 94133

Sale date	Sale price	Buyer name	Seller name
08/26/2004	$1,600,000	XXXXXXXXX XXXXX X; XXXXXXXXX XXXX X	XXXXX XXXX X; XXXX X & XXXXXXX X XXXXX XXXXX XX; XXXXX XXXXXXX X
07/09/2004	$940,000	XXXXX XXXX X; XXXX X & XXXXXXX X XXXXX XXXXX XXXXX; XXXXX XXXXXXX X	XXXXXXXXXX XXXX X
06/29/2004	$940,000	XXXXXXXXXX XXXX X	XX XXXX XXXXXX XXXX XX; XXXX XX; XXXX XXXXXX XXX; XXXX XXXXX XXXX

*Most recent sales on record for this property.

More about San Francisco County property records.

Title documents

Date	Type	Party 1	Party 2
10/08/2024	Ucc - 3 Termination	XXXXX XXXXXXX XXXX	XXXXXXXXXXX X/XX/XXXX XX XX XXX XXXXXXXXX
10/25/2023	Assgn Deed of Trust	XXXXX X XXXXXXXXX XXXX XXXX XXXXX	XXXXXXXX XXXXX XXXX XX
12/17/2020	Ucc - 3 Continuation	XXXXX X XXXXXXXXX XXXX XXXXXXXX XXXXX	XXXXXXX X/XX/XXXX
07/02/2020	Reconveyance	XXXXXXXXX XXXXXXXXX XXX	XXXXX X XXXXXXXX XXXXXXXX XXXX XX XXXX
07/02/2020	Substitution Trustee	XXXXX X XXXXXXXXX XXXX XXXXXXXX XXXXX	XXXXXXXXX XXXXXXXXX XXX
06/11/2020	Deed of Trust	XXXXX X XXXXXXXXX XXXX XXXX XXXXX	XXXXX XXXXXXXX XXXX
10/23/2018	Release Lien	XX XXXXXXXXXX XX XXXXXX XXXXXX	XXXXX X XXXXXXXXX XXXXXXXX
09/27/2018	Notice Lien	XXXXX X XXXXXXXXX XXXXXXXX	XX XXXXXXXXXX XX XXXXXX XXXXXX
05/04/2018	Notice Completion	XXXXX X XXXXXXXXX XXXXXXX XXXXX XX	XXXXXXX XXXXXXX XXXXXXXXXXX
04/25/2017	Release Lien	XXXXX X XXXXXXXXX XXXXXXXX	XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 840 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

Property tax

$33,240

Tax per sq. ft.

$15

Recent tax assessments

Market value

$2,810,522

Land value

$1,338,140

Building value

$1,472,382

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	$2,810,522	1.1827	$33,240	+2.98%
2024-2025	$2,755,414	1.1714	$32,277	+1.45%
2023-2024	$2,701,390	1.1777	$31,814	+1.83%
2022-2023	$2,648,424	1.1797	$31,243	+1.76%
2021-2022	$2,596,496	1.18248	$30,703	-0.31%
2020-2021	$2,569,874	1.1984	$30,797	+3.58%
2019-2020	$2,519,486	1.1801	$29,732	+3.50%
2018-2019	$2,470,086	1.163	$28,727	+27.52%
2017-2018	$1,921,656	1.1723	$22,528	+1.11%
2016-2017	$1,883,980	1.1826	$22,280	+1.52%

Permits

Permit information for 840 Union Street, San Francisco, CA

Issued date	Permit number	Permit type	Sub type	Valuation	Finaled date	Status
02/09/2026
01/13/2026
04/02/2020
12/04/2018
09/25/2018

*Most recent permits 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

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

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 840 Union Street, San Francisco, CA 94133 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)
The New School of San Francisco	7	Charter	K-7	439	0.12
Cooper (Sarah B.) Children Center	NR	Public		95	0.12
Sts. Peter And Paul K-8	NR	Private	K-9	225	0.17
Parker (Jean) Elementary School	7	Public	K-5	149	0.21
Yick Wo Elementary School	8	Public	K-5	209	0.21
Garfield Elementary School	7	Public	K-5	194	0.37
Stockton (Commodore) Children Center	NR	Public	K	22	0.42
Lau (Gordon J.) Elementary School	8	Public	K-5	644	0.46
Spring Valley Elementary School	4	Public	K-5	228	0.54
St. Mary's School	NR	Private	PK, K-8	80	0.54

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
The New School of San Francisco	7	Charter	K-7	439	0.12
Cooper (Sarah B.) Children Center	NR	Public		95	0.12
Sts. Peter And Paul K-8	NR	Private	K-9	225	0.17
Francisco Middle School	5	Public	6-8	535	0.31
St. Mary's School	NR	Private	PK, K-8	80	0.54
Sterne School	NR	Private	4-12	204	0.55
Sterne School	NR	Private	4-12	208	0.55
Cathedral School For Boys	NR	Private	K-8	265	0.56

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Cooper (Sarah B.) Children Center	NR	Public		95	0.12
Sterne School	NR	Private	4-12	204	0.55
Sterne School	NR	Private	4-12	208	0.55
Galileo High School	8	Public	9-12	1,826	0.64
Fusion Academy Sf: San Francisco	NR	Private	6-12	50	0.65
Fusion Academy San Francisco	NR	Private	6-12	55	0.65
Tahour Academy	NR	Private	5-12	6	0.94
Mary L. Booker Leadership Academy	NR	Charter	6-12	57	1.25
S.F. County Civic Center Secondary	2	Public	6-12	58	1.47
Five Keys Independence High School (Sf Sheriff's)	3	Charter	9-12	3,019	1.70

Nearby ZIP codes for 840 Union Street, San Francisco, CA

Frequently asked questions

What is the year built for 840 Union Street, San Francisco, CA 94133?

The development at 840 Union Street, San Francisco, CA 94133 was built in 1959.

What is the total square footage of 840 Union Street, San Francisco, CA 94133?

840 Union Street, San Francisco, CA 94133 has a total of 2,257 square feet.

When was 840 Union Street, San Francisco, CA 94133 last sold and what was the sale price?

840 Union Street, San Francisco, CA 94133 was last sold on 08/26/2004 for $1,600,000.

What is the assessed value of 840 Union Street, San Francisco, CA 94133?

840 Union Street, San Francisco, CA 94133 is currently assessed at $2,810,522.

What are the property taxes for 840 Union Street, San Francisco, CA 94133?

The property taxes for 840 Union Street, San Francisco, CA 94133 total $33,240.

How many residential units does this building have?

This building has 2 residential unit(s).

Disclaimer

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

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.