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310 Guerrero St

Mission Dolores, SF 94103 3556003 2 units · 2 fl · 1909

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 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 310 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 1909
2 or more units
2 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
Units2
Floors2
Year built1909
Total area2,560 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3556003
Ownership

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

Owner name
Allison Guerrero St Propert
Mailing address
Shiu King Yeung & Lali Fong 2352 Morrow St Hayward CA 94541
Last sale
000000

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit residential building at 310 Guerrero Street, located in the Mission Dolores neighborhood, is a two-story flats and duplex structure built in 1909, currently owned by Allison Guerrero St Propert. The building's maintenance history shows two significant structural improvements: stair repairs completed in 1990 and a 2021 electrical upgrade that involved installing a metersocket for the garage and common areas while modifying the house panel connections. A concerning pattern has emerged in recent years regarding parking enforcement issues, with eight documented cases of driveway blocking between 2021 and 2024, resulting in at least three citations being issued. Additionally, two encampment cleanup requests were filed in March 2023, though no direct impact on the building's habitability is indicated in the records. The property management demonstrated attention to external maintenance issues in October 2021 and October 2022 through coordination with street cleaning services for garbage removal and waste management. The building's fire safety record shows one incident of a false alarm, with no civilian injuries reported.

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

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Risk rating

How 310 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
77th percentile

Out of 799 buildings in this neighborhood, 184 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
79%
No DBI
violation
21%
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.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

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 77.1%
Moderate concern 11.1%
Severe concern 11.7%
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

310 Guerrero St event timeline

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

2026
311 Request May 03
Garbage and debris
furniture
311 RequestJan 28
Blocking driveway cite tow

See all 6 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 310 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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