Free SF apartment background check

1503 Golden Gate Ave

Alamo Square, SF 94115 0776030 2 units · 2 fl · 1900

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 Alamo Square
At or below average
avg 2.3
0
FewerMore

This building has 0 novs (7y), at or below the Alamo Square average of 2.3.

Rent & eviction protection

Is 1503 Golden Gate Ave 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 1900
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 built1900
Total area2,454 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot0776030
Ownership

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

Owner name
Trionfi Tommaso & Dorte
Mailing address
1503 Golden Gate Ave San Francisco CA 94115
Last sale
120914

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 1503 Golden Gate Avenue in the Alamo Square neighborhood is a two-unit, two-story multi-family residential building constructed in 1900, currently owned by Tommaso & Dorte Trionfi. The building has undergone several significant improvements over the past decades, with the most recent being a $59,000 window replacement project in 2022 involving seven street-facing windows with modern tempered glass and improved energy efficiency ratings (U-factor <0.30). The second floor bathroom received a complete remodel in 2016, including fixture and finish updates, along with associated plumbing and electrical work, totaling approximately $9,800. Earlier maintenance work in 2007 addressed various structural issues, including rebuilding a damaged rear deck, repairing water-damaged walls, reroofing, and addressing dry rot on approximately 200 square feet of side walls, with these projects collectively costing about $27,200.

The property's maintenance history shows regular upkeep and modernization efforts by its owners, though there was one notable incident involving illegal short-term rental activity that was officially abated. An expired permit from 1989 for adding a bathroom and closet to the second floor is on record, though it is unclear if this work was ultimately completed. The recent window replacement project in 2022 was completed under the supervision of Permit Services, Inc. (Jennifer Ferrando), receiving proper administrative certification of appropriateness, indicating compliance with local preservation standards.

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

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Risk rating

How 1503 Golden Gate Ave'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
98th percentile

Out of 305 buildings in this neighborhood, 6 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
93%
No DBI
violation
7%
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.

Building permits, owner's portfolio

Permits pulled across all of this owner's buildings over 7 years.

Building age

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

Notices of Violation, owner's portfolio

DBI NOVs across all buildings this owner is registered on — a signal of systemic maintenance issues across the portfolio.

12-Month severity forecast
No violation 87.1%
Moderate concern 9.4%
Severe concern 3.5%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

1503 Golden Gate Ave apartment reviews

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The story over time

1503 Golden Gate Ave event timeline

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

2022
Planning Project Aug 01
Administrative Certificate of Appropriateness application request for replacement of replacement of (7) Windows: Like for like window replacement. Tempered glass. U factor .24 SHGC .25. All windows street facing
Closed
Building PermitMay 19
(7) window replacement: like for like retrofit, install u-factor <0.30 all street facing - tempered glass.

See all 2 events

Full history back to 2022 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1503 Golden Gate Ave 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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