Free SF apartment background check

517-523 Laguna St

Hayes Valley, SF 94102 0819002 3 units · 2 fl · 1890

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Hayes Valley
At or below average
avg 2.3
0
FewerMore

This building has 0 novs (7y), at or below the Hayes Valley average of 2.3.

Rent & eviction protection

Is 517-523 Laguna St rent-controlled?

San Francisco's Rent Ordinance caps rent increases and provides eviction protection for most residential units built before 1979 with 2+ units. Here's how this building scores.

Built before 1979
Built 1890
2 or more units
3 units
Property type
Multi-Family Residential
Zoning
HAYES
Likely rent-controlled. Building age and unit count suggest this property falls under San Francisco's Rent Ordinance.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units3
Floors2
Year built1890
Total area3,795 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0819002
Ownership

Registered owner per SF Assessor-Recorder (secured roll).

Owner name
Young Family Trust
Mailing address
Young William L K & Kelly, 517 Laguna St San Francisco CA 94102
Last sale
041201

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

523 Laguna St, San Francisco, CA 94102
517 Laguna St, San Francisco, CA 94102
521 Laguna St, San Francisco, CA 94102
519 Laguna St, San Francisco, CA 94102
Augrented Insights
Initial analysis

The property at 517-523 Laguna Street is a 2-story multi-family residential building located in Hayes Valley, containing three units and dating back to 1890. The building's most significant recent history involves a series of interior problems identified in April 2015, when multiple violations were documented regarding lead paint hazards and damaged walls, resulting in an exterior paint complaint. These issues were addressed and officially abated by July 2015. More recent renovations include the installation of two side windows at the first floor in 2014, and there have been several street space permits issued between 2007 and 2015, indicating ongoing maintenance of public areas adjacent to the property.

The building's maintenance record shows attention to basic upkeep, with documented repairs including weather protection and water damage ceiling repairs in 1989, though some older permits from the 1980s such as reroofing and awning installation have since expired. Recent activity around the property, particularly in 2024, has primarily involved municipal service calls regarding street maintenance, illegal parking issues, and encampments in the vicinity. There have been multiple reports of garbage and debris requiring attention from street cleaning services, though these were generally resolved promptly. The most recent complaint was a noise-related issue filed in December 2024, which remains open as of the latest data.

AI-generated · may contain errors · check the source data tables below

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Risk rating

How 517-523 Laguna St's risk score is calculated

We trained a model on 7 years of SF DBI inspection data — notice of violation filings, complaint history, and owner track records. It estimates the probability that DBI inspectors will issue a Notice of Violation at this address in the next 12 months. Lower % = safer.

What the score means for you

Grade A–B — Low risk

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Grade C — Moderate risk

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Grade D–F — High risk

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
62th percentile

Out of 1027 buildings in this neighborhood, 390 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
73%
No DBI
violation
27%
DBI violation
likely
Model explanation

What's driving this score

The three data points that most influenced this building's risk rating — ranked by the weight the model placed on each one.

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

DBI complaints, owner's portfolio

Complaints across all of this owner's buildings over 7 years.

Property class: apartment building

Apartment building — this property classification influences expected violation rates.

12-Month severity forecast
No violation 71.2%
Moderate concern 21.2%
Severe concern 7.5%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

517-523 Laguna St event timeline

Violations, complaints, fire incidents, permits, and buyouts — most recent records in order.

2026
311 Request Jun 12
Not offensive
sidewalk structure
311 RequestJun 02
Not offensive

See all 7 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 517-523 Laguna St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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