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643-645 22Nd Ave

Central Richmond, SF 94121 1622008 3 units · 2 fl · 1988

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Central Richmond
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 643-645 22Nd 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 1988
2 or more units
3 units
Property type
Multi-Family Residential
Zoning
RH2
Not rent-controlled. Buildings constructed after 1978 are generally exempt from SF rent increase limits under the Costa-Hawkins Act.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units3
Floors2
Year built1988
Total area3,402 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1622008
Ownership

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

Owner name
Amy Yuen Trust
Mailing address
362 Mangels Ave San Francisco CA 94127
Last sale
012199

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

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

643 A 22nd Ave, San Francisco, CA 94121
645 22nd Ave, San Francisco, CA 94121
643 22nd Ave, San Francisco, CA 94121
Augrented Insights
Initial analysis

The property at 643-645 22nd Avenue in the Central Richmond neighborhood is a two-story, three-unit multi-family residential building constructed in 1988, currently owned by the Amy Yuen Trust. Significant recent improvements include the 2018 legalization of an unauthorized dwelling unit (643A) which added two bedrooms and one bathroom, with no exterior changes. More recent safety upgrades have focused on fire protection systems, with the installation of a new fire sprinkler system for the ground floor completed in 2021 (at a cost of $15,000), along with a comprehensive fire alarm system. The building has undergone several maintenance updates, including reroofing work completed in early 2020 ($19,800), and recent plumbing and electrical upgrades in December 2022 that included kitchen renovations and the installation of smoke detectors.

The property has experienced recurring issues with illegal parking, particularly sidewalk parking, with multiple citations issued between 2019 and 2021, suggesting a persistent challenge in the vicinity regarding parking enforcement. However, these parking violations occurred on public streets rather than on the property itself. Other service calls have generally been routine in nature, including waste management and street cleaning matters. The building's documented history shows appropriate attention to safety upgrades and maintenance, with all recent permits being properly completed and closed, indicating compliance with local regulations and building codes.

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

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Risk rating

How 643-645 22Nd 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
87th percentile

Out of 2250 buildings in this neighborhood, 292 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
90%
No DBI
violation
10%
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.

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

Owner's portfolio size

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

Notices of Violation, owner's portfolio

DBI NOVs across all buildings this owner is registered on — a signal of systemic maintenance issues across the portfolio.

12-Month severity forecast
No violation 86.0%
Moderate concern 11.1%
Severe concern 2.9%
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

643-645 22Nd Ave event timeline

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

2025
311 Request Oct 02
Garbage and debris
electronics
311 RequestFeb 05
Garbage and debris

See all 10 events

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

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Every record we have

Full data for 643-645 22Nd 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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