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290-292 27Th Ave

Lake Street, SF 94121 1386022B 2 units · 2 fl · 1924

This building has more problems than most buildings in this neighborhood. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Lake Street
Above average
avg 0.6
4
FewerMore

This building has 4 novs (7y), above the Lake Street average of 0.6.

Rent & eviction protection

Is 290-292 27Th 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 1924
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RM1
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 built1924
Total area2,800 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1386022B
Ownership

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

Owner name
Donald W & Diana D Chan Lvg
Mailing address
Donald W & Diana D Chan,tru 715 44Th Ave San Francisco CA 94121
Last sale
092994

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.

292 27th Ave, San Francisco, CA 94121
290 27th Ave, San Francisco, CA 94121
Augrented Insights
Initial analysis

The two-unit residential building at 290-292 27th Avenue, owned by Donald W & Diana D Chan Lvg, is a two-story flats and duplex structure built in 1924 in the Lake-Presidio neighborhood. The property experienced significant safety concerns in August 2023 when two decorative plaster corbels fell from the roof overhang, prompting immediate inspections and subsequent violations for potentially unsafe conditions and exterior damage. These issues were properly addressed through building permit #202402296798 in early 2024, which involved replacing the failed corbels with polyurethane units and was completed at a cost of $3,000. The building's maintenance history shows attention to structural elements, including rear stair repairs in 2006 and a bathroom renovation in 1996. Recent 311 calls around the property have primarily related to parking enforcement issues, with multiple reports of sidewalk parking violations involving a white Tesla SUV between January and September 2023, though most were marked as unable to locate or resolved with citations.

The building's recent history shows active responsiveness to safety concerns, as demonstrated by the prompt repair work following the corbel incident. In addition to the structural work completed in early 2024, there is an open 311 call from September 2023 regarding a sidewalk defect, suggesting ongoing monitoring of the property's exterior conditions. The property has maintained compliance with building codes following the 2023 violations, indicating proper management of building maintenance and safety standards.

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

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Risk rating

How 290-292 27Th 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
20th percentile

Out of 660 buildings in this neighborhood, 528 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
71%
No DBI
violation
29%
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.

NOV rate, owner's portfolio

Per-building NOV rate across everything this owner manages — high rates signal pattern neglect.

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 59.7%
Moderate concern 36.7%
Severe concern 3.6%
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

290-292 27Th Ave event timeline

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

2026
Building Permit Jan 31
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
$7,500 · Complete

See all 11 events

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

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Every record we have

Full data for 290-292 27Th 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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