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725 Corbett Ave

Twin Peaks, SF 94131 2755026 14 units · 2 fl · 1957

This building has significantly more problems than most nearby buildings. 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
1
FewerMore

This building has 1 novs (7y), at or below the Twin Peaks average of 3.0.

Rent & eviction protection

Is 725 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 1957
2 or more units
14 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
Units14
Floors2
Year built1957
Total area11,015 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2755026
Ownership

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

Owner name
Mt-1 Properties Llc
Mailing address
2 Whimbrel Ct Alameda CA 94501
Last sale
092917

Landlord portfolio

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

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Augrented Insights
AI summary

725 Corbett Avenue is a 14-unit, two-story multi-family residential building built in 1957, currently owned by Mt-1 Properties LLC. The property has undergone several significant improvements in recent years, most notably a comprehensive fire alarm system upgrade in 2023 for both the front and rear buildings, costing over $27,000. The building has completed its mandatory soft-story retrofit requirements (Tier 3) with a Certificate of Final Completion issued, demonstrating compliance with San Francisco's seismic safety regulations. Recent electrical improvements in 2024 included the replacement of the main electrical disconnect systems, suggesting ongoing maintenance of building infrastructure.

The property has a history of varied maintenance and compliance issues, including multiple fire system violations between 2015 and 2024, though most have been corrected. In 2020, there were tenant complaints about unauthorized construction work in the garage area, which drew attention to potential permit compliance issues. Earlier building history shows various maintenance concerns from 1995-2000, including issues with window frames, water leaks, and mildew problems. However, recent building permits indicate active maintenance and improvements, with specific unit upgrades such as the 2016 renovation of Unit 14's kitchen and bathroom, and the 2022 upgrades in Unit 12 including a bathtub-to-shower conversion. The property has also seen efforts to increase residential density, with failed attempts in 2017 to add additional ADUs, though the zoning and parking requirements limitations were subsequently clarified in planning records. Recent 311 calls (2024) primarily relate to external maintenance issues such as street cleaning and parking concerns, rather than building-specific problems, which may indicate improved property management and maintenance standards.

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Risk rating

How 725 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
11th percentile

Out of 172 buildings in this neighborhood, 153 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
33%
No DBI
violation
67%
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 22.8%
Moderate concern 34.9%
Severe concern 42.3%
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

725 Corbett Ave event timeline

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

2026
Fire Complaint May 06
Alarm Systems
Violation Issued
Fire ComplaintMay 06
Extinguishers

See all 19 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 725 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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