Free SF apartment background check

314-318 Woolsey St

Portola, SF 94134 6051007A 3 units · 2 fl · 1925

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 Portola
At or below average
avg 1.8
0
FewerMore

This building has 0 novs (7y), at or below the Portola average of 1.8.

Rent & eviction protection

Is 314-318 Woolsey 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 1925
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
Floors2
Year built1925
Total area2,000 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot6051007A
Ownership

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

Owner name
Chen Eugene & Yan Qing
Mailing address
1771 25th Ave San Francisco CA 94122
Last sale
071699

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.

318 Woolsey St, San Francisco, CA 94134
316 Woolsey St, San Francisco, CA 94134
314 Woolsey St, San Francisco, CA 94134
Augrented Insights
Initial analysis

The property at 314-318 Woolsey Street in Portola is a two-story multi-family residential building constructed in 1925, comprising three units and owned by Eugene Chen and Yan Qing. The building has undergone several significant renovations and faced multiple code compliance issues over its history. The most recent building complaint from December 2017 remains active, alleging unauthorized conversion of rear garages into living spaces with unpermitted electrical work. Building safety concerns have been a recurring theme, with multiple routine inspections revealing issues such as non-compliant handrails, fire safety violations, and security deficiencies between 2001 and 2011. In 2018, the property underwent some remediation work in response to the 2017 complaint, including electrical upgrades and removal of certain plumbing fixtures, though many associated permits have since expired. Historical improvements include kitchen and bathroom remodels in 1998, reroofing in 1991, and an effort in 1983 to achieve full code compliance.

Recent activity at the property has primarily involved external maintenance and neighborhood concerns, with multiple 311 calls in 2024 related to parking violations, sidewalk issues, and street cleaning. The most pressing current concern appears to be an open sidewalk defect complaint from September 2024 involving tree root damage. While the building has had periodic violations and complaints throughout its history, many of these have been addressed and marked as "Not Active," though the 2017 complaint regarding unauthorized unit conversions remains pending resolution. The most recent building repairs or modifications recorded were from 2018, though some work was completed under separate plumbing and electrical permits in August 2018.

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

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Risk rating

How 314-318 Woolsey 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
38th percentile

Out of 255 buildings in this neighborhood, 158 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
68%
No DBI
violation
32%
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.

Neighborhood location

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

Neighborhood location

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

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 44.7%
Moderate concern 33.7%
Severe concern 21.6%
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

314-318 Woolsey St event timeline

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

2024
311 Request Apr 24
Other reallocate
Noise Report - other reallocate

See all 4 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 314-318 Woolsey 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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