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234 Corbett Ave

Corona Heights, SF 94114 2653008 2 units · 3 fl · 1956

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 Corona Heights
At or below average
avg 1.2
0
FewerMore

This building has 0 novs (7y), at or below the Corona Heights average of 1.2.

Rent & eviction protection

Is 234 Corbett 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 1956
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 built1956
Total area2,428 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot2653008
Ownership

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

Owner name
Lyman Brad
Mailing address
234 Corbett Ave San Francisco CA 94114
Last sale
021997

Landlord portfolio

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

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Augrented Insights
Initial analysis

234 Corbett Avenue is a three-story, multi-family residential building located in Corona Heights, consisting of two units and constructed in 1956. The property has undergone several significant infrastructure improvements over the years, including a reroofing project completed in 2004 at a cost of $7,385, and an underground electrical service conversion with two meters in that same year. The building experienced water-related issues in 1999, when housing inspection services documented complaints about water damage and roof problems, though these were addressed within a week of being reported. A fire alarm system complaint was filed during the 2005 holiday season, but was determined to have no merit by January 2006.

More recently, in the fall of 2024, there has been notable activity related to scooter services, with multiple requests (seven recorded instances between October 10 and October 29) for scooter services through the Municipal Transportation Agency's Access/Mobility Services, all of which were successfully resolved. Additional recent municipal activity includes a parking enforcement call on September 28, 2024, regarding sidewalk parking, which officers were unable to locate upon response. There is currently one open public works request from September 5, 2024, regarding the "buf" service, and a successfully resolved case from July 2024 involving electronic waste debris removal. The building's documented history shows improvements to its basic infrastructure while maintaining relatively few recorded complaints, though recent months have seen increased interaction with various municipal services primarily related to neighborhood mobility and street maintenance.

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

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Risk rating

How 234 Corbett 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
83th percentile

Out of 348 buildings in this neighborhood, 59 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
89%
No DBI
violation
11%
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.

Building age

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

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.

12-Month severity forecast
No violation 81.1%
Moderate concern 12.2%
Severe concern 6.7%
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

234 Corbett Ave event timeline

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

2026
311 Request Feb 20
Municipal transportation agency
scooters customer callback
311 RequestFeb 17
Municipal transportation agency

See all 4 events

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

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Every record we have

Full data for 234 Corbett 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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