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830 Corbett Ave

Twin Peaks, SF 94131 2779028 12 units · 3 fl · 1964

This building has a higher-than-average number of open problems nearby. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Twin Peaks
At or below average
avg 3.0
0
FewerMore

This building has 0 novs (7y), at or below the Twin Peaks average of 3.0.

Rent & eviction protection

Is 830 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 1964
2 or more units
12 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
Units12
Floors3
Year built1964
Total area10,833 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2779028
Ownership

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

Owner name
Gaehwiler Family Llc
Mailing address
154 Miraloma Dr San Francisco CA 94127
Last sale
042898

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 12-unit multi-family residential building at 830 Corbett Avenue in Twin Peaks, owned by Gaehwiler Family LLC, has undergone several significant improvements since its construction in 1964. Most recently, in 2024, the building completed a major fire alarm system upgrade (cost: $64,827) to comply with current fire safety requirements, including the installation of new conduits, wiring, and devices. The building has demonstrated a commitment to safety and modernization, having completed a soft-story retrofit in 2016 (cost: $75,000) to strengthen the first floor and basement according to San Francisco building codes. Other significant improvements include window replacements (2016), elevator system upgrades (2016), relocation of electrical panels (2020), and conversion of overhead service to underground (2005).

The building's maintenance history shows attention to water damage issues, with repairs for dry rot documented in 1986 and 1988, and reroofing completed in 2011. The property has maintained compliance with fire safety requirements, with only two fire alarm system complaints recorded in 2015 and 2021, both of which were promptly corrected. Two routine housing inspections (2003 and 2012) were conducted, with all issues resolved. The building's fire escape certification violation from 2003 was also promptly addressed. The property has completed all required soft-story work and received its Certificate of Final Completion (CFC), demonstrating full compliance with seismic safety requirements. Recent 311 calls recorded for the address (2024) primarily relate to external matters such as city transportation services and parking enforcement, rather than building-specific issues.

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

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Risk rating

How 830 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
38th percentile

Out of 172 buildings in this neighborhood, 107 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
46%
No DBI
violation
54%
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.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

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 37.9%
Moderate concern 35.8%
Severe concern 26.3%
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

830 Corbett Ave event timeline

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

2024
Building Permit Jun 24
Upgrade existing fire alarm system to comply with sffc section 1103.7.6.1
$48,840 · Complete
Electrical PermitMay 14
Install conduit and wire and devices for a new fire alarm system.

See all 4 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 830 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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