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843-845 Bosworth St

Glen Park, SF 94131 6758028A 2 units · 2 fl · 1946

This building has significantly more problems than most nearby buildings. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Glen Park
Above average
avg 1.4
4
FewerMore

This building has 4 novs (7y), above the Glen Park average of 1.4.

Rent & eviction protection

Is 843-845 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 1946
2 or more units
2 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.

Building characteristics
Units2
Floors2
Year built1946
Total area1,750 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6758028A
Ownership

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

Owner name
Ruelas Andres & Gloria A
Mailing address
Ruelas Andres 54 Altya Vista Wy Daly City CA 94014
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.

845 Bosworth St, San Francisco, CA 94131
843 Bosworth St, San Francisco, CA 94131
Augrented Insights
Initial analysis

The two-unit residential building at 843-845 Bosworth Street in Glen Park, owned by Andres & Gloria Ruelas, was constructed in 1946 and has experienced several significant maintenance and safety issues over the past decade. Most concerning are the recent plumbing issues; as of late 2024, there have been multiple sewer-related complaints, including a sewage backup and odor problems in December 2024, as well as ongoing concerns about the functioning of water fixtures and heating systems. The building has a history of utility maintenance problems, with multiple complaints about water heating, plumbing, and heating systems between 2012 and 2019. A notable incident occurred in 2009 when a vehicle struck the building, causing damage that required repairs costing $1,400.

The property has undergone several substantial infrastructure improvements in recent years, including a complete sewer line replacement in 2017, installation of new furnaces in 2012, and comprehensive repiping of both units with copper piping in 2007. However, there are outstanding safety concerns documented by the Housing Inspection Services, including an active complaint from 2021 about a missing front gate lock, and previous violations in 2019 regarding storage obstructing egress paths, stairway repairs, and hot water temperature control. The building's fire alarm system has experienced multiple false alarms, though no actual fires or civilian injuries have been recorded.

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

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Risk rating

How 843-845 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

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
10th percentile

Out of 364 buildings in this neighborhood, 328 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
43%
No DBI
violation
57%
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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Director's hearing rate, owner's portfolio

Per-building rate of director's hearings across the owner's portfolio.

Director's hearings (past 7 years)

Director's hearings are escalated enforcement actions for buildings that haven't resolved violations — a serious signal.

12-Month severity forecast
No violation 33.3%
Moderate concern 61.1%
Severe concern 5.6%
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

843-845 Bosworth St event timeline

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

2026
311 Request May 17
Missing side sewer vent cover
Street Defect
311 RequestMay 17
Missing side sewer vent cover

See all 14 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 843-845 Bosworth 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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