845 Union St, San Francisco, CA 94133 Property Records

San Francisco City property record for 845 Union St, San Francisco, CA 94133

Property Summary

Property Type	Apartments (5+ Units)
Details	3 ba · 3,400 sqft · built 1906
Lot Size	0.001 acres (47 sqft)
Owner	Company Name on Record
Tax Bill	$19,545 (2025)
APN	`0119-037`

Property Details

APN / Parcel Number

Primary APN	`0119-037`

Interior

Full Baths	3 Baths
Total Rooms	13 Rooms
Units	6 Units
Stories	2 Stories
Building Area	3,400 sqft Living Area
Gross Area	3,700 sqft
1st Floor Area	3,400 sqft
Basement Area	300 sqft

Exterior

Year Built	Built 1906
Effective Year Built	Effective 1906
Architectural Style	Duplex Single
Construction Type	Frame
Lot Area	47 sqft (0.001 acres)
Lot Dimensions	138 ft deep x 34.4 ft wide

Location & Zoning

Street Address	845 UNION ST
City	SAN FRANCISCO
State	CA
Zip	94133
Property Category	Residential
Property Type	Residential > Multi-Unit > Apartments (5+ Units)
Local Zoning Code	RM2
Legal Description	BLK 182
Legal Subdivision	50 VARA BL #182
Legal Block	119
Legal Lot Number	37
Jurisdiction	SAN FRANCISCO CA
Township / Civil Division	DOWNTOWN-NORTHEAST NEIGHBORHOODS-TREASURE ISLAND
Census Block Group	3
Census Block	3000
Census Tract	10300

Owner

Source: San Francisco City records, as of September 8, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	1750 TAYLOR ST, 302, SAN FRANCISCO, CA 94133-5410
Owner Type	Company
Vesting	Trust, Living Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jan 3, 2013
Transfer Doc	K806/0323
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

Source: San Francisco City assessment roll, as of September 8, 2026

Property Jurisdictions

Type	Name
State	California
County / Municipality	San Francisco City
Unified School District	San Francisco Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,567,521 (+2%) Land $829,730 Building $737,791
2025	$19,545.00 (+3.01%)	$1,536,731 (+4.04%) Land $813,438 Building $723,293
2024	$18,973.00 (+2.25%)
2023	$18,556.00 (+2.17%)	$1,477,061 Land $781,852 Building $695,209
2022	$18,162.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer

FEMA Flood Zone	Not on file

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	SFPUC CITY DISTRIBUTION DIVISION serves 848,019 people · EPA ID CA3810011
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Mar 2023
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 1,611 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	1,000 / 75
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Astound Broadband, GeoLinks, Google Fiber, Sonic Telecom.