Free SF apartment background check

485-497 Guerrero St

Mission Dolores, SF 94110 3568042C 2 units · 2 fl

Nothing on record for this building in the last seven years, and our model puts it at a low risk of maintenance problems over the next 12 months. 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 Mission Dolores — not a forecast
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 485-497 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 unknown
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
NC1
Not rent-controlled. Buildings constructed after 1978 are generally exempt from SF rent increase limits under the Costa-Hawkins Act.

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
Unknown
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Coverage unclear. AB 1482 turns on the certificate-of-occupancy date and property type — confirm the year the building was completed.

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
Units2
Floors2
Year built
Total area2,616 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3568042C
Ownership

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

Mailing address
611 Santa Florita Ave Millbrae CA 94030
Last sale
September 05, 2008

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.

495 Guerrero St, San Francisco, CA 94110
493 Guerrero St, San Francisco, CA 94110
497 Guerrero St, San Francisco, CA 94110
487 Guerrero St, San Francisco, CA 94110
489 Guerrero St, San Francisco, CA 94110
485 Guerrero St, San Francisco, CA 94110
491 Guerrero St, San Francisco, CA 94110
Augrented Insights
Initial analysis

The two-unit, two-story building at 485-497 Guerrero Street in the Mission Dolores neighborhood, currently owned by T & A Drolapas & Sons Lp, provides a mixed picture of recent maintenance and environmental challenges. The property underwent a permitted remodeling project in March 2026 worth $35,000, focusing on kitchen and bathroom improvements with associated plumbing and electrical work. However, this appears to be just one of two significant interventions in the building's systems, as evidenced by a series of 311 service requests throughout 2026.

The property has experienced recurring issues with garbage and debris in its vicinity, with seven reported cases in 2026 alone, three of which involved furniture and others concerning various types of debris including yard waste. While most of these cases were resolved, their frequency suggests an ongoing environmental challenge. More concerning are two incidents related to ventilation issues: one case of "inadequate or none" ventilation was accepted by the Department of Building Inspection in January 2026, and another case from June 2026 regarding a missing side sewer vent cover was closed despite initial defects being reported, indicating potential ongoing infrastructure concerns. The building's documented history shows a pattern of environmental and infrastructure challenges in 2026, though most service requests have been resolved through various interventions.

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

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Risk rating

How 485-497 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

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
75thpercentile

Out of 799 buildings in this neighborhood, 200 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
78%
No DBI
violation
22%
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.

Property class: apartment building

Apartment building — this property classification influences expected violation rates.

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
Low failure risk 22%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

485-497 Guerrero St apartment reviews

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On the map

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The story over time

485-497 Guerrero St event timeline

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

2026
311 Request Jul 28
Garbage and debris
furniture
311 RequestJun 25
Missing side sewer vent cover

See all 9 events

Full history back to 2025 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 485-497 Guerrero St apartments

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

Side by side

How 485-497 Guerrero St compares to the neighborhood

This building against comparable properties in Mission Dolores. 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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