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462 23Rd Ave

Central Richmond, SF 94121 1522025 5 units · 3 fl · 1971

Nothing on record for this building in the last seven years, and our model puts it at a low risk of maintenance problems over the next 12 months. 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 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 462 23Rd 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 1971
2 or more units
5 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 1971
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
Units5
Floors3
Year built1971
Total area5,533 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1522025
Ownership

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

Mailing address
462 23rd Ave Apt 3 San Francisco CA 94121
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 four-unit multi-family residential building at 462 23rd Avenue in the Central Richmond neighborhood, owned by the Tommy Kin-hong Lee Revocable Trust, has undergone significant improvements and modifications since its construction in 1971. The most recent major upgrade was the 2020 fire alarm system improvement, including sprinkler monitoring and low-frequency sounders in sleeping areas to comply with San Francisco Fire Department requirements, which followed the 2019 installation of a comprehensive fire sprinkler system throughout the building. The property has seen substantial unit modifications, including the addition of an ADU on the first floor in 2019 (one bedroom and one bathroom), and a significant vertical addition in 2015 that expanded unit #3 with new living space and a roof deck. Historical compliance issues from 2003 related to fire safety equipment and combustible storage were promptly addressed and resolved by September 2003. More recently, there have been routine maintenance matters such as garbage and debris concerns reported through 311 calls in 2022 and 2024, though these appear to be typical urban maintenance issues rather than building-specific problems. The building has a complete set of required fire safety systems in place, including sprinklers, modern fire alarm equipment, and updated fire suppression infrastructure, demonstrating ongoing commitment to resident safety.

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

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Risk rating

How 462 23Rd 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
75thpercentile

Out of 2250 buildings in this neighborhood, 562 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
88%
No DBI
violation
12%
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.

Owner's portfolio size

Number of SF parcels this owner is registered on — larger portfolios have distinct risk patterns.

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

462 23Rd Ave apartment reviews

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On the map

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The story over time

462 23Rd Ave event timeline

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

2020
Electrical Permit Sep 08
Ti - modification of an existing fire alarm system by upgrading the fire panel, update all existing devices to be compatible with new facp, add monitor modules to monitor all sprinkler water flow and tamper devices, and provide low frequency sounders in all sleeping areas to meet 75db at pillow to comply with sffd bulletin 1103.7.6.1
Complete
Building PermitAug 21
Upgrade extg fire alarm system to comply with sffc section 1103.7.6.1. and include sprinkler monitoring. ref app 201907155917. ref sprinkler #201912270839

See all 10 events

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

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Every record we have

Full data for 462 23Rd Ave apartments

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

Side by side

How 462 23Rd Ave compares to the neighborhood

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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