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2635-2637 Lyon St

Cow Hollow, SF 94123 0956A001 2 units · 3 fl · 1922

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 Cow Hollow
At or below average
avg 0.7
0
FewerMore

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

Rent & eviction protection

Is 2635-2637 Lyon 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 1922
2 or more units
2 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
Units2
Floors3
Year built1922
Total area5,175 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0956A001
Ownership

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

Owner name
Ou-Cagney Revocable Tr
Mailing address
Ou June Sheebee & Cagney Mi 868 27Th Ave San Francisco CA 94121
Last sale
062613

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.

2635 Lyon St, San Francisco, CA 94123
2637 Lyon St, San Francisco, CA 94123
Augrented Insights
Initial analysis

This three-story, two-unit multi-family residential building at 2635-2637 Lyon Street in Cow Hollow was constructed in 1922 and underwent significant renovations between 2009-2011. The most substantial work occurred in 2010, when the building received substantial structural improvements including a $75,000 foundation replacement with reinforced concrete and retention wall reinforcement at the rear. This was followed by various interior and exterior upgrades, including the installation of a new low-pressure condensing boiler system, comprehensive plumbing updates with 27 new fixtures, and electrical system improvements. The renovation project also included a one-story horizontal addition on the first floor and interior renovations of both units, with the architectural plans being revised during construction to modify windows to sliding doors in 2011.

More recently, the building has experienced some maintenance and safety incidents, though none appear severe. There were two instances of automatic fire alarm activations recorded, one due to a malfunction and another as a false alarm, both with no civilian injuries. The property has had some street-related issues documented through 311 calls between 2023-2024, primarily concerning garbage and debris in the vicinity, though these are street-related issues rather than interior building concerns. The most recent building-related permits were issued in 2011, suggesting no major structural changes have been made in the past decade, though this could indicate that the significant improvements made in 2009-2011 resolved the previous building deficiencies. The property management has maintained compliance with necessary permits and inspections throughout the renovation process, as evidenced by the completion status of all major improvement permits.

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

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Risk rating

How 2635-2637 Lyon 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
82th percentile

Out of 861 buildings in this neighborhood, 155 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
87%
No DBI
violation
13%
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 age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

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 81.0%
Moderate concern 12.5%
Severe concern 6.6%
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

2635-2637 Lyon St event timeline

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

2024
311 Request Jul 22
Garbage and debris
other loose garbage debris yard waste

See all 1 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 2635-2637 Lyon St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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