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343-349 Oak St

Hayes Valley, SF 94102 0839062 4 units · 3 fl · 1922

Nothing on record for this building in the last seven years. Our model still sees a moderate chance of maintenance problems in the next 12 months, from the owner's wider portfolio and the surrounding area rather than from anything recorded here. No public enforcement record to go on. Walk the building, ask the current tenants how repairs get handled, and get any promises in writing.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Hayes Valley — not a forecast
At or below average
avg 2.2
0
FewerMore

This building has 0 novs (7y), at or below the Hayes Valley average of 2.2.

Rent & eviction protection

Is 343-349 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 1922
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
N/A
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.

Statewide backstop · AB 1482

California Tenant Protection Act of 2019

Even when a building isn't covered by local rent stabilization, the statewide Tenant Protection Act (AB 1482) may still apply. It caps annual rent increases and requires the landlord to state a legal reason to end most tenancies.

15+ years since occupancy
Built 1922
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

AB 1482 does not apply to single-family homes and condos unless owned by a corporation, REIT, or an LLC with a corporate member; to owner-occupied duplexes; or to deed-restricted affordable housing. The Act is in effect until January 1, 2030. Not legal advice — see the California landlord–tenant guide.

Building characteristics
Units4
Floors3
Year built1922
Total area4,050 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0839062
Ownership

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

Owner name
Mailing address
627 Baker St San Francisco CA 94117
Last sale

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

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

345 Oak St, San Francisco, CA 94102
349 Oak St, San Francisco, CA 94102
343 Oak St, San Francisco, CA 94102
Augrented Insights
Initial analysis

The three-story, four-unit multi-family residential building at 343-349 Oak Street in Hayes Valley, currently owned by the Lyons Family Trust, has undergone several significant improvements since its construction in 1922. The most substantial recent work occurred in May 2022, when the building received both plumbing and electrical upgrades, including the installation of a new kitchen sink and faucet, and the replacement of four non-GFCI electrical outlets with GFCI versions for safety compliance. Prior to this, the building underwent a complete window renovation in 2011-2013, with three permits issued for the replacement of 12 windows, including specific attention to those visible from the street and the use of wood-clad aluminum materials. The building's infrastructure has also received attention, including a sewer line and house trap replacement in 2010.

The property's maintenance and incident history shows regular attention to building safety and upkeep, with no major violations or safety concerns recorded in recent years. The building has experienced typical urban issues such as graffiti, illegal postings, and hazardous materials on the surrounding sidewalks between 2021-2024, though all these incidents were promptly addressed and resolved through city services. A noise complaint was reported in September 2024 and remains open as of now. The most recent parking-related issue was recorded in October 2024 and has been resolved. The building's documented improvements and maintenance history suggest regular upkeep, with particular attention paid to safety upgrades and structural improvements over the past decade.

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

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Risk rating

How 343-349 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

Lower risk — safer than most nearby

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

Typical — about average for the neighborhood

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

Higher risk — riskier than most nearby

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

Neighborhood percentile
60thpercentile

Out of 1027 buildings in this neighborhood, 411 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
72%
No DBI
violation
28%
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 risk forecast
Moderate failure risk 28%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

343-349 Oak St apartment reviews

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On the map

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The story over time

343-349 Oak St event timeline

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

2026
Electrical Permit Jan 18
Panel replacement inspection fee for 345 oak street, as per the inspector's request, reference to existing ew202601101949.
Issued
Electrical PermitJan 18
Electrical sub-panel replacement for unit 349 oak street. as per the inspector's request, reference to the existing permit ew202601101949

See all 6 events

Full history back to 2022 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 343-349 Oak St apartments

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

Side by side

How 343-349 Oak St compares to the neighborhood

This building against comparable properties in Hayes Valley. Toggle filters to narrow the peer group.

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

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