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538-544 Oak St

Hayes Valley, SF 94102 0829035 4 units · 2 fl · 1900

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
Above average
avg 2.3
4
FewerMore

This building has 4 novs (7y), above the Hayes Valley average of 2.3.

Rent & eviction protection

Is 538-544 Oak 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 1900
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
RH3
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
Units4
Floors2
Year built1900
Total area3,466 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0829035
Ownership

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

Owner name
Land John A
Mailing address
5977 Yerba Buena Rd Santa Rosa CA 95409
Last sale
000000

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.

538 Oak St, San Francisco, CA 94102
542 Oak St, San Francisco, CA 94102
544 Oak St, San Francisco, CA 94102
Augrented Insights
Initial analysis

The two-story multi-family residential building at 538-544 Oak Street in Hayes Valley, owned by Land John A, was constructed in 1900 and contains four units. The property has undergone several significant maintenance and improvement projects over the years, including a complete window replacement in 2000 (39 windows), reroofing in the same year, and repairs to backyard stairs in 1989. Most concerning are recent tenant complaints from late 2024, including reports of water intrusion, mold, and plumbing issues, with particular attention needed to a documented lack of hot water since September 2024 in unit 544. There was also a documented heating issue in 1994-1995, suggesting potential recurring concerns with building systems.

The property has generated multiple 311 calls for service in recent months (November 2024 - January 2025), primarily related to garbage and debris on the property, though these are external to the building itself. A fire complaint was filed in June 2018 regarding electrical systems, and while there were two emergency responses recorded (one for a smoke detector malfunction and one for medical services), neither incident resulted in civilian injuries. The building's mechanical systems appear to be experiencing increasing strain in recent months, with multiple complaints about water and heating issues that remain unresolved as of the end of 2024. The property underwent significant improvements two decades ago, but these have not been regularly updated according to the building's permit history.

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

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Risk rating

How 538-544 Oak 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
39th percentile

Out of 1027 buildings in this neighborhood, 626 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
61%
No DBI
violation
39%
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.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

Neighborhood (ZIP code)

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

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

12-Month severity forecast
No violation 33.4%
Moderate concern 17.0%
Severe concern 49.6%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

538-544 Oak St event timeline

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

2026
311 Request May 30
Incident report
stopped improperly waymo
311 RequestMay 24
Not offensive

See all 15 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 538-544 Oak 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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