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2401 24Th Ave

Parkside, SF 94116 2401001 4 units · 2 fl · 1923

A handful of records on file over the last seven years, and our model sees a moderate chance of more in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Parkside — not a forecast
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Parkside 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 2401 24Th 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 1923
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
NC2
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 1923
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
Units4
Floors2
Year built1923
Total area4,200 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2401001
Ownership

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

Mailing address
Duffy Frank & Monica Truste 2171 21St Ave San Francisco CA 94116
Last sale
April 28, 1995

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 2401 24th Avenue building, located in the Parkside neighborhood, is a two-story, four-unit multi-family residential structure built in 1923 and currently owned by the Frank & Monica Duffy Trust. The property has undergone several significant maintenance and improvement projects over the years, with the most recent major work including the installation of new furnaces in 2019 and repairs to damage caused by a vehicle collision in 2018 that affected approximately 100 square feet of the ground floor. The building has a documented history of addressing safety and maintenance issues, including the replacement of 20 windows in 2001, wall repairs in 2018, and various exterior improvements such as vinyl siding installation in 2002.

Regular housing inspections have been conducted approximately every 5-6 years, with the most recent routine inspection occurring in 2023. The building has experienced several fire safety-related incidents, including violations in 2015 regarding fire extinguisher maintenance and egress obstruction, though these issues were subsequently resolved. A 2020 fire complaint about operating without a permit was also corrected. Recent concerns have been raised about building maintenance, with a 2023 complaint noting issues with peeling paint and roof structure. The property has undergone various plumbing and building improvements, including reroofing in 2004 and wall repairs in 2019. Recent 311 calls (2024) have primarily concerned external issues such as graffiti, parking violations, and street cleaning matters rather than building-specific concerns. The building's permit history demonstrates ongoing maintenance and compliance with safety requirements, though periodic violations and complaints indicate some recurring challenges with building upkeep and safety systems.

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

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Risk rating

How 2401 24Th 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
13thpercentile

Out of 255 buildings in this neighborhood, 222 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
46%
No DBI
violation
54%
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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

12-Month risk forecast
Moderate failure risk 54%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

2401 24Th Ave apartment reviews

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On the map

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This building and nearby alternatives, color-coded by risk level. Click any marker to explore.

The story over time

2401 24Th Ave event timeline

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

2026
DBI Complaint Apr 29
Vacant commercial storefront
Code Enforcement Section

See all 8 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 2401 24Th Ave apartments

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

Side by side

How 2401 24Th Ave compares to the neighborhood

This building against comparable properties in Parkside. 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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