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622 23Rd Ave

Central Richmond, SF 94121 1622033 2 units · 2 fl · 1919

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 622 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 1919
2 or more units
2 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
Units2
Floors2
Year built1919
Total area2,514 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1622033
Ownership

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

Owner name
Ow Living Trust
Mailing address
Coleman W Ow & Linda Truste 1600 Mason St Apt 11 San Francisco CA 94133
Last sale
112009

Landlord portfolio

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

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Augrented Insights
Initial analysis

622 23rd Avenue is a two-unit, two-story multi-family residential building located in San Francisco's Central Richmond neighborhood. Built in 1919 and currently owned by the Ow Living Trust, this flats/duplex property has undergone several significant renovations and faced some notable issues over its history. The most recent completed work, as of May 2024, involved substantial bathroom remodels in Unit A, including the replacement of tubs, vanities, toilets, and shower fixtures, with an associated cost of $70,000. This renovation addressed multiple system upgrades including plumbing and electrical work.

The building has a history of both improvements and incidents that are worth noting. Major renovations occurred in 2009 when both units received kitchen remodels, and in the early 2000s when a sunroom was added. A significant violation was recorded in 2003 regarding unauthorized construction of a room and a plastic awning, though this was ultimately resolved by January 2009. More recent concerns include recurring sewer issues, with multiple sewage backup incidents reported through 311 calls between 2020 and 2022, suggesting potential plumbing system challenges. The property has also experienced frequent parking enforcement issues, with several sidewalk parking complaints recorded between 2020 and 2023. While the building has been maintained through various improvements including roof replacements in 1993 and 2009, and a furnace replacement in 2007, the pattern of sewer-related complaints and sidewalk parking violations indicates ongoing infrastructure and accessibility challenges in the surrounding area.

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

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Risk rating

How 622 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

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
98th percentile

Out of 2250 buildings in this neighborhood, 45 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
94%
No DBI
violation
6%
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 permits, owner's portfolio

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

Building age

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

Building age

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

12-Month severity forecast
No violation 89.3%
Moderate concern 8.2%
Severe concern 2.5%
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

622 23Rd Ave event timeline

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

2024
Building Permit May 24
622 23rd ave: unit a: lower level: remodel 2 bathroom replace 1 tub, 2 vanitites, 2 toiler, and 1 shower pan. remove wall tile and floor tile and replace.
$70,000 · Complete
Plumbing PermitMay 24
Unit a: remodel 2 bathroom and replace kitchen cabinent. replace 1 tub and 1 shower pan, wall and floor tiles, 2 vanities and 2 toilets.

See all 3 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 622 23Rd Ave apartments

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

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