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2240 Golden Gate Ave

Lone Mountain, SF 94118 1163009 18 units · 3 fl · 1939

This building has far more open problems than almost any other in the neighborhood. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Lone Mountain
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.

Rent & eviction protection

Is 2240 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 1939
2 or more units
18 units
Property type
Multi-Family Residential
Zoning
RH2
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
Units18
Floors3
Year built1939
Total area13,626 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1163009
Ownership

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

Owner name
2240 Golden Gate Ave Llc
Mailing address
Sangiacomo Susan 1145 Market St #1200 San Francisco CA 94114
Last sale
022312

Landlord portfolio

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

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Augrented Insights
AI summary

The 18-unit multi-family residential building at 2240 Golden Gate Avenue in the Lone Mountain neighborhood, constructed in 1939, is a three-story apartment complex currently owned by 2240 Golden Gate Ave LLC. The building has undergone several significant renovations and faced various maintenance challenges over the years. Between 2007 and 2008, approximately seven units underwent substantial improvements including kitchen and bathroom remodels, electrical upgrades, and plumbing work, with permits showing completed work in units 101, 102, 103, 105, 106, 202, 203, 302, 303, and 304. In 2010, energy-efficient windows were installed to replace existing aluminum windows, though this permit was filed without associated costs.

The building experienced notable issues in 2006 when multiple violations were recorded regarding ventilation, ceilings, fire safety, and window repairs, though these were subsequently addressed and abated. In 2009, there were concerns about management and maintenance, with complaints about the lack of an on-site manager and unkempt common areas, which were resolved by July 2009. More recent history shows ongoing exterior maintenance challenges, with multiple 311 calls in 2022-2024 regarding graffiti, garbage, and debris around the property. The most recent building-related interactions with authorities include graffiti reports and sidewalk cleaning issues, with the most significant recent work being street space and sidewalk repairs in 2014, though two street space permits were issued in 2012 and 2014. The building was subject to a routine safety inspection in 2016, and while there was an inspection in 2006 that noted various issues, these were documented as resolved. A combustible materials violation was recorded in 2009 but was quickly corrected the following day.

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Risk rating

How 2240 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
9th percentile

Out of 519 buildings in this neighborhood, 472 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
51%
No DBI
violation
49%
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 severity forecast
No violation 28.3%
Moderate concern 27.9%
Severe concern 43.8%
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

2240 Golden Gate Ave event timeline

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

2025
311 Request Nov 21
Not offensive
pole
Electrical PermitAug 01
Upgrade the fire alarm system to install all new sounders in the units per code ab 308 including pipe work wiring new panel and all new sounder devices installed

See all 7 events

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

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Every record we have

Full data for 2240 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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