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459 35Th Ave

Outer Richmond, SF 94121 1467014 3 units · 1 fl · 1951

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 Outer Richmond
At or below average
avg 0.7
0
FewerMore

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

Rent & eviction protection

Is 459 35Th 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 1951
2 or more units
3 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
Units3
Floors1
Year built1951
Total area1,974 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1467014
Ownership

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

Owner name
Tseng Kenny Kin-Sun & Amy Y
Mailing address
331 28th Ave San Francisco CA 94121
Last sale
062002

Landlord portfolio

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

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Augrented Insights
Initial analysis

The three-unit, single-story apartment building at 459 35th Ave in San Francisco's Outer Richmond neighborhood, owned by Kenny Kin-sun and Amy Y Tseng, has undergone several significant renovation projects since its construction in 1951. Most notably, in 2002, substantial improvements were made to units 1 and 2, including foundation revisions and the addition of new stairways, bedrooms, bathrooms, and other features, with permits totaling approximately $66,000. During this renovation period, the property experienced multiple fire safety-related violations in February 2003, including issues with combustible storage, fire sprinklers, fire proofing materials, and gas utility shutoff tools; however, all these violations were promptly abated by March 17, 2003. The building has maintained its compliance with safety regulations since then, with the most recent major modification being the installation of a garage door opener in February 2003.

The property's history includes some construction-related disturbances, such as a complaint in December 2002 regarding construction work continuing until 10:00 PM, which was resolved within two days. More recent history (2018-2022) shows a pattern of parking-related issues near the property, with several citations issued for sidewalk parking and driveway blocking, though these are external rather than building-specific concerns. The most recent interactions with city services have been solely related to parking matters, suggesting no recent building-specific violations or complaints. The building's permit history indicates regular maintenance and upgrades, with no major structural issues or safety concerns reported in recent years, particularly since the resolution of the 2003 fire safety violations.

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

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Risk rating

How 459 35Th 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
31th percentile

Out of 1040 buildings in this neighborhood, 718 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
79%
No DBI
violation
21%
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.

Neighborhood location

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

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month severity forecast
No violation 62.4%
Moderate concern 25.3%
Severe concern 12.4%
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

459 35Th Ave 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 459 35Th 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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