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2550 Golden Gate Ave

Lone Mountain, SF 94118 1145A009 10 units · 3 fl · 1960

Nothing on record for this building in the last seven years, but our model still flags a rising risk of maintenance problems in the next 12 months. That forecast comes from the owner's wider portfolio and the surrounding area, not from this building's own record — treat it as a reason to ask questions, not as evidence of a problem. 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 Lone Mountain — not a forecast
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Lone Mountain average of 0.9.

The bar and the rating point different ways because they measure different things: the bar counts DBI violations already on file, the rating forecasts the next 12 months.

Rent & eviction protection

Is 2550 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 1960
2 or more units
10 units
Property type
Multi-Family Residential
Zoning
RM1
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.

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
Built 1960
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

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
Units10
Floors3
Year built1960
Total area7,560 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1145A009
Ownership

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

Mailing address
3902 Plymouth Circle Madison WI 53705
Last sale

Landlord portfolio

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

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Augrented Insights
Initial analysis

The three-story, 10-unit multi-family residential building at 2550 Golden Gate Avenue, owned by Howard S & Pamela Erlanger, was constructed in 1960 and has undergone several significant safety and maintenance improvements over the years. Most notably, in 2024, the building received a major fire alarm system upgrade to meet current safety standards, including new low-frequency sounders in sleeping areas and updated devices throughout the building, with an associated cost of $41,732. The building has completed mandatory seismic retrofitting as a Tier 3 soft-story building, which was achieved along with obtaining a Certificate of Final Completion (CFC). Other major maintenance work has included reroofing projects in 2014 and 1995, removal of dry rot siding in 2011, and resolution of various building code compliance issues in 1985.

The building's history includes several fire safety-related complaints and violations, particularly in 2003 and 2011, regarding smoke detectors, emergency exits, and fire escape equipment, though all were subsequently corrected. A roofing work violation was noted in 2014, which was also addressed. The property has experienced routine maintenance issues typical of urban environments, including sidewalk defects, graffiti, and debris concerns, with the most recent incidents occurring in 2024. The building has had multiple fire alarm activations and system maintenance issues recorded between 2009 and 2024, though none resulted in actual fires or injuries. Recent 311 calls primarily relate to exterior maintenance concerns, though these were typically resolved promptly by city services.

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

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Risk rating

How 2550 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

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
3rdpercentile

Out of 519 buildings in this neighborhood, 503 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
39%
No DBI
violation
61%
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.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

12-Month risk forecast
High failure risk 61%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

2550 Golden Gate Ave apartment reviews

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On the map

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The story over time

2550 Golden Gate Ave event timeline

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

2026
311 Request May 09
Other illegal parking
Parking Enforcement
311 RequestMar 01
Other excessive noise

See all 8 events

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

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Every record we have

Full data for 2550 Golden Gate Ave apartments

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

Side by side

How 2550 Golden Gate Ave compares to the neighborhood

This building against comparable properties in Lone Mountain. 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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