Free SF apartment background check

2139 Judah St

Central Sunset, SF 94122 1827038 2 units · 2 fl · 1946

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 Sunset
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Central Sunset average of 0.7.

Rent & eviction protection

Is 2139 Judah 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 1946
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH3
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 built1946
Total area2,768 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1827038
Ownership

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

Owner name
He Jeffery Z & Han Qi
Mailing address
2139 Judah St San Francisco CA 94122
Last sale
030414

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit multi-family residential building at 2139 Judah Street in San Francisco's Central Sunset neighborhood is a two-story flats and duplex structure built in 1946, currently owned by Jeffery Z He and Qi Han. The property has undergone several significant modifications over the past three decades, with the most substantial renovation occurring in 2012 when a comprehensive ground floor remodeling project was completed, adding a gameroom, exercise room, bathroom, and associated plumbing and electrical systems at a cost of $10,000. This 2012 renovation included the installation of new electrical infrastructure with 2x100amp service panels and a 60amp subpanel, comprehensive lighting and electrical features, as well as laundry facilities. Earlier attempts to expand the building in 1989 were unsuccessful, with two separate permit applications for adding bedrooms and bathrooms at the rear of the building being cancelled. A 1996 reroofing project is also recorded, though its permit has since expired.

The property has experienced several infrastructure-related issues in recent years, with the most significant being a collapsed sidewalk reported in November 2022, which required utility intervention. There have been three parking-related incidents near the property, with two cases of vehicles parking on the sidewalk (in 2018 and most recently in December 2023), though in both instances the responding authorities were unable to validate the reported violations. The most recent incident, reported in December 2023, involved a Chevy vehicle and was marked as resolved with an officer response. Additionally, a report of illegal postings was recorded and resolved in July 2017. While the building has undergone significant improvements in recent years, particularly in terms of modernizing its ground floor spaces, there have been some recurring issues with sidewalk accessibility and parking enforcement in the vicinity.

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

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Risk rating

How 2139 Judah 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
75th percentile

Out of 814 buildings in this neighborhood, 204 are predicted to be safer.

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.

Construction spend, owner's portfolio

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

Building permits, owner's portfolio

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

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

12-Month severity forecast
No violation 78.0%
Moderate concern 14.8%
Severe concern 7.2%
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

2139 Judah St event timeline

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

No dated public records on file yet.
Every record we have

Full data for 2139 Judah 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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