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34 Buchanan St

Hayes Valley, SF 94102 0872008 12 units · 3 fl · 1927

This building has more problems than most buildings in this neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Hayes Valley
Above average
avg 2.3
7
FewerMore

This building has 7 novs (7y), above the Hayes Valley average of 2.3.

Rent & eviction protection

Is 34 Buchanan 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 1927
2 or more units
12 units
Property type
Multi-Family Residential
Zoning
RM3
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 built1927
Total area7,380 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0872008
Ownership

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

Owner name
Mark E & Sophia S Cusing Re
Mailing address
4444 Geary St San Francisco CA 94118
Last sale
111209

Landlord portfolio

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

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Augrented Insights
Initial analysis

The three-story, 12-unit multi-family residential building at 34 Buchanan Street in Hayes Valley, built in 1927 and owned by Mark E & Sophia S Cusing Re, has undergone several significant improvements over recent years, most notably completing a mandatory soft-story retrofit in 2016 at a cost of $61,000, and the installation of a modern fire alarm system in 2023 with low-frequency sounders to comply with current fire safety codes. The building has a documented history of maintenance and safety issues, with multiple fire safety violations noted between 2018-2024 relating to alarm systems, fire extinguishers, and sprinkler systems, though most were promptly corrected. There have been recurring concerns about the building's water infrastructure, with particular attention to sewage issues in the light well area both in 2015 and 2017, as well as recent common area complaints filed in April 2023 that remain active.

The property has seen various unit improvements, including kitchen and bathroom remodels in Units 3 and 7 in 2008, and has maintained active compliance with building codes including the removal of unauthorized antennas in 2016. Historical building violations from 2007-2009 included issues with smoke detectors, fire escapes, and security features, all of which were resolved. The building's fire safety record shows regular inspections and prompt addressing of violations, with documented false alarms and system malfunctions, though these have generally resulted in no civilian injuries. Recent tenant buyout activity was recorded at the adjacent 8 Buchanan Street address in 2022, and multiple 311 calls in January 2025 regarding garbage and debris suggest ongoing maintenance challenges in the surrounding area, though these are not directly related to the building's internal conditions.

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

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Risk rating

How 34 Buchanan 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
22th percentile

Out of 1027 buildings in this neighborhood, 801 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
47%
No DBI
violation
53%
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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

12-Month severity forecast
No violation 33.0%
Moderate concern 47.6%
Severe concern 19.4%
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

34 Buchanan St event timeline

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

2026
Fire Complaint Jan 17
Extinguishers
Condition Corrected

See all 14 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 34 Buchanan St 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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