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2 Sumner St

South of Market, SF 94103 3730040A 2 units · 2 fl · 1916

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 South of Market
At or below average
avg 3.3
0
FewerMore

This building has 0 novs (7y), at or below the South of Market average of 3.3.

Rent & eviction protection

Is 2 Sumner 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 1916
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RED
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
Floors2
Year built1916
Total area2,539 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3730040A
Ownership

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

Owner name
Wolf Michael Andrew
Mailing address
2 Sumner St San Francisco CA 94103
Last sale
012017

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-story, multi-family residential building at 2 Sumner Street in San Francisco's South of Market neighborhood was built in 1916 and currently contains two units, owned by Michael Andrew Wolf. The property has undergone several significant modifications and repairs over the years, most notably a $20,000 deck repair project completed in 2021, and more substantial renovations including bathroom remodeling, laundry installation, and water heater replacement in 2021. Two major development proposals were previously considered: in 2017, there was a cancelled plan to convert the ground floor from commercial to residential use, add a third floor, and include roof decks at all levels, and in 2001, a cancelled proposal for dwelling renovation above a garage was submitted.

The property has experienced recurring issues with street and sidewalk conditions in the immediate vicinity, particularly between 2023 and 2024, with multiple reports of garbage, debris, and medical waste (needles) documented by various city agencies. There were also several encampment-related incidents reported between May 2023 and February 2024, though most were resolved quickly, with police unable to locate individuals in one case, and areas being cleared in others. The building's safety systems have been addressed in the past, with fire-related inspections showing resolution of an unspecified issue in 2010 and correction of alarm system problems in 2007, though it's worth noting that both incidents are now over a decade old. Planning records indicate various development proposals for the site, including a requested variance for rear yard requirements and mixed-use unit considerations, though none of these proposals ultimately proceeded as originally planned.

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

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Risk rating

How 2 Sumner 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
92th percentile

Out of 430 buildings in this neighborhood, 34 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.

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month severity forecast
No violation 75.7%
Moderate concern 19.3%
Severe concern 5.1%
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

2 Sumner St event timeline

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

2026
311 Request Apr 26
Garbage and debris
other loose garbage debris yard waste

See all 7 events

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

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Every record we have

Full data for 2 Sumner 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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