Free SF apartment background check

1637-1647 Larkin St

Nob Hill, SF 94109 0620003 6 units · 3 fl · 1907

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 Nob Hill
At or below average
avg 2.4
0
FewerMore

This building has 0 novs (7y), at or below the Nob Hill average of 2.4.

Rent & eviction protection

Is 1637-1647 Larkin St 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 1907
2 or more units
6 units
Property type
Multi-Family Residential
Zoning
RM3
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
Units6
Floors3
Year built1907
Total area8,085 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot0620003
Ownership

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

Owner name
Wong Fay Jean Chin
Mailing address
Kim Hung Yee & Mee Kui Yee 1645 Larkin St San Francisco CA 94109
Last sale
000000

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.

1637 Larkin St, San Francisco, CA 94109
1641 Larkin St, San Francisco, CA 94109
1645 Larkin St, San Francisco, CA 94109
1647 Larkin St, San Francisco, CA 94109
1639 Larkin St, San Francisco, CA 94109
1643 Larkin St, San Francisco, CA 94109
Augrented Insights
Initial analysis

The 6-unit, 3-story apartment building at 1637-1647 Larkin Street in Nob Hill, built in 1907, has undergone several significant structural improvements over the years, most notably completing a seismic soft-story retrofit in 2017 at a cost of $70,000, which has brought the building into compliance with current safety standards. The most recent maintenance work was performed in October 2024, addressing minor dry rot repairs to the back stairs at a cost of $3,000. Historical records from 2001 show a cluster of violations related to building safety and fire requirements, including issues with stairs, door closures, fire extinguisher maintenance, and combustible storage concerns; however, all of these violations were promptly abated within approximately one month. The building's maintenance history also includes a reroofing project in 2006.

Recent activity around the property predominantly involves external street and parking issues, with multiple reports of driveway blocking between 2021 and 2024, though these are not directly related to the building's condition. There have been two complaints about unauthorized construction work, one in 2016 regarding debris removal practices and another in 2018 about working without permits; both complaints were resolved. The most recent 311 calls from 2023-2024 primarily concern street maintenance and parking issues rather than building-specific problems. The property has maintained its compliance with major safety requirements, including the successful completion of the seismic retrofit program (Tier 3) with a Certificate of Final Completion issued.

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

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Risk rating

How 1637-1647 Larkin St'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
44th percentile

Out of 1125 buildings in this neighborhood, 630 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
58%
No DBI
violation
42%
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 size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

12-Month severity forecast
No violation 36.5%
Moderate concern 29.9%
Severe concern 33.6%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

1637-1647 Larkin St event timeline

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

2024
Building Permit Oct 04
Minor dry rot repairs to back stairs (less than 1% of entire back stairs).
$3,000 · Complete

See all 1 events

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

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Every record we have

Full data for 1637-1647 Larkin St 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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