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377-383 Guerrero St

Mission Dolores, SF 94103 3555028 3 units · 3 fl · 1910

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

NOVs (7y) vs. neighborhood
Compared to a typical building in Mission Dolores
At or below average
avg 2.9
0
FewerMore

This building has 0 novs (7y), at or below the Mission Dolores average of 2.9.

Rent & eviction protection

Is 377-383 Guerrero 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 1910
2 or more units
3 units
Property type
Multi-Family Residential
Zoning
VALEN
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
Floors3
Year built1910
Total area3,176 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3555028
Ownership

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

Owner name
Chang Sing & Chin Bee Choo
Mailing address
Sing Chang & Bee Choo Chin 1256 17Th Ave San Francisco CA 94122
Last sale
050500

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.

383 Guerrero St, San Francisco, CA 94103
381 Guerrero St, San Francisco, CA 94103
377 Guerrero St, San Francisco, CA 94103
Augrented Insights
Initial analysis

The three-story multi-family residential building at 377-383 Guerrero St, owned by Chang Sing & Chin Bee Choo, was constructed in 1910 and contains three units. The property has undergone several significant changes over the years, most recently including a permitted change of use from a tattoo shop to a dog daycare in May 2024. This follows a lengthy history of commercial space conversions, including a retail to personal service change in 2006. The building's maintenance record shows some concerning patterns, particularly regarding fire safety compliance. Between 2021 and 2024, there were multiple fire safety violations recorded, including issues with blocked exits, extinguishers, alarm systems, and multiple fire code violations in 2017 and 2024. While these violations were generally corrected promptly, their recurring nature suggests ongoing compliance challenges.

The property has experienced several notable maintenance issues, including a serious plumbing situation in 2008 involving black sludge and extensive bathroom decay, though this was reportedly addressed promptly. More recently, there have been complaints filed in 2024 regarding potential illegal commercial units and unauthorized changes of use, though these complaints are currently listed as not active. The building's recent history shows some ongoing exterior maintenance needs, as evidenced by multiple 311 calls in early 2025 regarding graffiti and debris, along with an open complaint about a damaged tree. While there have been historical fire incidents recorded, none resulted in civilian injuries, and the building has maintained its residential classification despite the commercial space conversions. The property's fire safety compliance history shows a pattern of violations being addressed, though the frequency of such violations raises concerns about ongoing maintenance practices.

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

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Risk rating

How 377-383 Guerrero 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
22th percentile

Out of 799 buildings in this neighborhood, 623 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
47%
No DBI
violation
53%
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 tenant complaints (past 7 years)

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

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 44.0%
Moderate concern 29.2%
Severe concern 26.7%
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

377-383 Guerrero St event timeline

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

2026
311 Request Jun 10
Garbage and debris
other loose garbage debris yard waste
311 RequestMay 03
Amplified sound electronics

See all 10 events

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

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Every record we have

Full data for 377-383 Guerrero 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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