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242-244 21St Ave

Central Richmond, SF 94121 1413032 2 units · 2 fl · 1916

A handful of records on file over the last seven years, and our model puts this building at a low risk of further maintenance problems 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 Central Richmond — not a forecast
At or below average
avg 0.5
0
FewerMore

This building has 0 novs (7y), at or below the Central Richmond average of 0.5.

Rent & eviction protection

Is 242-244 21St 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 1916
2 or more units
2 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 1916
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
Units2
Floors2
Year built1916
Total area3,400 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1413032
Ownership

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

Owner name
Mailing address
731 36th Ave San Francisco CA 94121
Last sale
August 23, 2005

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

242 21st Ave, San Francisco, CA 94121
244 21st Ave, San Francisco, CA 94121
Augrented Insights
Initial analysis

The two-unit multi-family residential building at 242-244 21st Avenue in the Central Richmond neighborhood is a two-story flats and duplex structure built in 1916, currently owned by Chan Yiu Tim. The building has undergone some maintenance work over the years, most notably a reroofing project in 2007 that cost $5,000, and a street space permit was also issued in the same year for a minimal cost.

The property has experienced recurring issues with illegal parking and abandoned vehicles in the vicinity, with multiple incidents reported between 2019 and 2024, though these are primarily street-related concerns rather than building-specific problems. There were some public space maintenance matters documented, including a pavement defect in 2015 that was resolved, and a toter (garbage bin) violation in 2015 that resulted in outreach and enforcement. A potentially concerning incident occurred in 2020 when a complaint was filed regarding an illegal paint business operating in a garage near a school, though this was subsequently closed with no merit found. The building's most recent records show some parking-related enforcement actions in 2022-2024, and a street cleaning request in 2021, but there are no recent building-specific complaints or major issues on file.

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

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Risk rating

How 242-244 21St 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
59thpercentile

Out of 2250 buildings in this neighborhood, 922 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
85%
No DBI
violation
15%
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.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

Building permits, owner's portfolio

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

12-Month risk forecast
Low failure risk 15%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

242-244 21St Ave apartment reviews

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On the map

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The story over time

242-244 21St Ave event timeline

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

2026
DBI Complaint May 05
Blight - caller reporting there is lots of junk (boxes, suitcases, paper products, etc) in the back yard. enough to fill a 24 foot moving truck. caller states its a fire hazard.
Housing Inspection Services

See all 2 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 242-244 21St Ave apartments

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

Side by side

How 242-244 21St Ave compares to the neighborhood

This building against comparable properties in Central Richmond. 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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