Free SF apartment background check

2120 24Th St

Potrero Hill, SF 94107 4217012 6 units · 1977

This building has far more open problems than almost any other in the neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Potrero Hill
Above average
avg 1.1
12
FewerMore

This building has 12 novs (7y), above the Potrero Hill average of 1.1.

Rent & eviction protection

Is 2120 24Th 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 1977
2 or more units
6 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
Units6
Floors
Year built1977
Total area5,014 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot4217012
Ownership

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

Owner name
Li Patricia
Mailing address
2120 24th St Apt 4 San Francisco CA 94107
Last sale
052918

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 6-unit, 2-story multi-family residential building at 2120 24th Street in Potrero Hill, owned by Patricia Li, was constructed in 1977 as a TIC building containing 4 or fewer units. The property has undergone significant renovations and improvements over the past two decades, with the most substantial recent work being the completion of mandatory soft-story seismic retrofitting in 2014 (completed) and the replacement of the house trap in 2019. Between 2011-2013, five of the six units received comprehensive kitchen and bathroom remodels, with Units 2, 5, and 6 undergoing renovations permitted in 2011 for $65,000, followed by Units 3 and 4 in 2013 with permits totaling $60,000. Building-wide improvements included window replacements, siding updates, and electrical system upgrades, with the majority of work having been properly completed under the relevant permits.

The building's maintenance history shows regular attention to safety systems, although there was one notable routine inspection in 2015 that revealed issues with fire extinguishers and door viewers, though these violations were marked as not active. Recent infrastructure challenges have included a sewage backup incident in August 2023 and a fire hydrant water leak in May 2024, both of which were resolved by city services. The property was constructed in compliance with San Francisco's seismic safety requirements, receiving a Certificate of Final Completion for Soft Story Work as a Tier 3 building. Historical records show the building underwent reroofing in 1993, and there have been periodic routine inspections by the Department of Building Inspection (DBI) over the years, with no significant recurring issues noted. A tenant buyout event was recorded at the address in June 2022, involving four tenants and totaling $62,821.50.

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

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Risk rating

How 2120 24Th 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
7th percentile

Out of 726 buildings in this neighborhood, 675 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
45%
No DBI
violation
55%
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.

Neighborhood location

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

Building size

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

12-Month severity forecast
No violation 21.5%
Moderate concern 19.2%
Severe concern 59.3%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

2120 24Th St event timeline

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

2026
Building Violation (NOV) Jan 09
Building violation
Install shutoff tool in a visible and accessible location adjacent to main gas valve. make sure that the type/size of tool fits the existin…
Building Violation (NOV)Jan 09
Building violation

See all 11 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 2120 24Th 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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