527 4th Ave, San Francisco, CA 94118 Property Records

San Francisco City property record for 527 4th Ave, San Francisco, CA 94118

Property Summary

Property Type	Single Family Home
Details	2 ba · 1,330 sqft · built 1906
Lot Size	0.069 acres (2,996 sqft)
Owner	2 Company Names on File
Last Sale	$445,400 (Nov 1994)
Tax Bill	$11,785 (2025)
APN	`1547-007`

Property Details

APN / Parcel Number

Primary APN	`1547-007`

Interior

Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	2 Stories
Building Area	1,330 sqft Living Area
1st Floor Area	1,330 sqft

Exterior

Year Built	Built 1906
Effective Year Built	Effective 1906
Construction Type	Wood
Lot Area	2,996 sqft (0.069 acres)

Location & Zoning

Street Address	527 4TH AVE
City	SAN FRANCISCO
State	CA
Zip	94118-3926
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RH2
Legal Subdivision	OUTLAND BL 287
Legal Block	1547
Legal Lot Number	7
Jurisdiction	SAN FRANCISCO CA
Township / Civil Division	RICHMOND-PRESIDIO-MARINA
Census Block Group	3
Census Block	3004
Census Tract	45100

Owner

Source: San Francisco City records · APN 1547-007

Assessment roll updated July 16, 2025 · Last verified August 2026

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

Owner of Record	2 Company Names on File
Mailing Address	527 4TH AVE, SAN FRANCISCO, CA 94118-3926
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 18, 1994 · Amount on Record
Deed Sale	Nov 18, 1994 · Amount on Record
Deed Document Number	1994715096
Deed Book / Page	261 / 166
Last Transfer Date	Feb 04, 2025
Transfer Doc	0000015406
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: San Francisco City records · Assessment roll updated July 16, 2025 · Last verified August 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

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

Year	Tax Bill	Assessed Value
2025	$11,785.00 (+2.95%)	$935,186 (+4.04%) Land $381,281 Building $553,905
2024	$11,447.00 (+1.58%)
2023	$11,269.00 (+2.02%) Homeowner's exemption	$898,874 Land $366,476 Building $532,398
2022	$11,046.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Not on file

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Sonic Telecom Fiber	1,000 / 1,000
Verizon Fixed Wireless	1,000 / 75
Unwired Fixed Wireless	300 / 25
Etheric Communications, LLC. Fixed Wireless	250 / 100
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 1,574 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	SFPUC CITY DISTRIBUTION DIVISION serves 848,019 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.