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345 Bosworth St

Bernal Heights, SF 94112 6751042A 3 units · 2 fl · 1919

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 Bernal Heights — not a forecast
At or below average
avg 1.2
0
FewerMore

This building has 0 novs (7y), at or below the Bernal Heights average of 1.2.

The bar and the rating point different ways because they measure different things: the bar counts DBI violations already on file, the rating forecasts the next 12 months.

Rent & eviction protection

Is 345 Bosworth 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 1919
2 or more units
3 units
Property type
Multi-Family Residential
Zoning
RH2
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 1919
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
Units3
Floors2
Year built1919
Total area2,200 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6751042A
Ownership

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

Mailing address
Tanega Richard G Trustee 17 Pine Valley Pl San Ramon CA 94582
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.

105 Rousseau St, San Francisco, CA 94112
107 Rousseau St, San Francisco, CA 94112
345 Bosworth St, San Francisco, CA 94112
Augrented Insights
Initial analysis

The 345 Bosworth St property is a two-story, three-unit multi-family residential building located in Bernal Heights, constructed in 1919 and currently owned by the Tanega Family Trust. The building's maintenance history shows several routine housing inspections between 1999 and 2014, all of which were completed and closed, with a significant code compliance correction completed in 1987. Previous improvements included the installation of five replacement windows in 1998, though this permit has since expired.

Recent activity around the property has primarily involved external maintenance and sanitation issues. In late 2024, there have been multiple reports of garbage and debris, with three separate incidents involving yard waste and furniture, all of which were resolved. Other current concerns include an overgrown tree blocking signs (reported December 2024), illegal postings (December 2024), and a general public works service request (December 2024). There was one recorded fire incident - a false alarm - with no civilian injuries noted. The most recent building-related complaint from Housing Inspection Services was a routine inspection in October 2014, which was resolved by December 2014. While there have been various 311 calls in the vicinity of the building, most relate to street cleaning and maintenance rather than building-specific issues, with only one historical routine inspection-related complaint filed in 1999.

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

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Risk rating

How 345 Bosworth 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
29thpercentile

Out of 1276 buildings in this neighborhood, 906 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
63%
No DBI
violation
37%
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 location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

Building age

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

Neighborhood (ZIP code)

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

12-Month risk forecast
Moderate failure risk 37%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

345 Bosworth St apartment reviews

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On the map

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The story over time

345 Bosworth St event timeline

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

2025
311 Request Jun 27
Public utilities commission
billing customer callback

See all 5 events

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

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Every record we have

Full data for 345 Bosworth St apartments

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

Side by side

How 345 Bosworth St compares to the neighborhood

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

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