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1350-1352 9Th Ave

Inner Sunset, SF 94122 1763031 2 units · 2 fl · 1909

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 Inner Sunset
At or below average
avg 1.1
0
FewerMore

This building has 0 novs (7y), at or below the Inner Sunset average of 1.1.

Rent & eviction protection

Is 1350-1352 9Th 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 1909
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
NC2
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 built1909
Total area2,200 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1763031
Ownership

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

Owner name
Wen Qing & Zhuan Qiong Chen
Mailing address
Chen Wen Qing & Zhuan Qiong 546 26Th Ave San Francisco CA 94121
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.

1352 09th Ave, San Francisco, CA 94122
1350 09th Ave, San Francisco, CA 94122
1352 A 09th Ave, San Francisco, CA 94122
Augrented Insights
Initial analysis

The property at 1350-1352 9th Avenue in the Inner Sunset is a two-story multi-family residential building constructed in 1909, featuring both residential and commercial spaces under the ownership of Wen Qing & Zhuan Qiong Chen. The building's records show significant recent concerns with unauthorized living spaces, including a May 2023 complaint about an illegal bedroom unit in the garage, reportedly featuring safety hazards such as exposed wiring and inadequate kitchen ventilation. The property has undergone several modifications over the years, including plumbing upgrades in 2012-2013 for commercial kitchen equipment, window replacements in 2005, and compliance work for accessible business entrance requirements in 2022. Historic records indicate various maintenance activities such as sidewalk repairs in 2003 and reroofing in 1996.

Recent municipal service calls between 2021 and 2024 have documented issues including graffiti (current graffiti issue reported in February 2024), a resolved case of abandoned parklet structure in September 2022, and multiple sanitation-related incidents. There was one recorded fire incident involving outside rubbish in 2015, which resulted in no civilian injuries. The building's planning records indicate recent efforts to convert a storage area into a painting studio, for which variance requests were filed and approved. The property has experienced periodic issues with waste management, as evidenced by multiple missed collection reports, though these have generally been resolved promptly through municipal channels.

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

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Risk rating

How 1350-1352 9Th 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
45th percentile

Out of 1493 buildings in this neighborhood, 821 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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Property class: apartment building

Apartment building — this property classification influences expected violation rates.

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 66.9%
Moderate concern 29.8%
Severe concern 3.3%
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

1350-1352 9Th Ave event timeline

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

2025
Building Permit Jul 23
Re-roof. hot work. tear off old roof. install one layer #28 fiberglass base and appex 4.5 modified bitumenon roof. torch down applied. remove old shingles on front side. install #30 felt underlayment and 30 yrs comp shingles.
$35,000 · Complete
Building PermitJul 07
Repair backstairs banister for insurance renewal, the railing spacing has to be less than 4". no layout or structural changes.

See all 4 events

Full history back to 2022 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1350-1352 9Th 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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