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3601-3603 26Th St

Inner Mission, SF 94110 6568033 4 units · 2 fl · 1900

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 Inner Mission
At or below average
avg 2.6
1
FewerMore

This building has 1 novs (7y), at or below the Inner Mission average of 2.6.

Rent & eviction protection

Is 3601-3603 26Th 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 1900
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
VALEN
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
Units4
Floors2
Year built1900
Total area4,004 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6568033
Ownership

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

Owner name
Moon Sam
Mailing address
935 Oregon Ave Palo Alto CA 94303
Last sale
120617

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

3601 26th St, San Francisco, CA 94110
3603 26th St, San Francisco, CA 94110
Augrented Insights
Initial analysis

The property at 3601-3603 26th Street in the Inner Mission is a 2-story, multi-family residential building constructed in 1900, containing 4 units with a retail component. The building has undergone several significant safety improvements in recent years, including voluntary foundation bolting upgrades in 2013 with associated rot repairs ($5,000), and multiple fire safety-related interventions between 2018-2024. These fire code violations included issues with alarm systems, sprinkler systems, and multiple fire code violations, with the most recent occurring in March 2024. The building has a history of maintenance work including reroofing projects in 1997 and 2004 ($9,600), street space and sidewalk repairs in 2008, and plumbing work in 2013 for commercial kitchen systems.

The property has experienced several building violations and complaints over the years, with notable issues in 2001 including security violations and fire safety concerns, and a series of violations in 2010 related to fire escape maintenance and access. Recent complaints from 2023 regarding a vacant storefront are now marked as not active. There has been a consistent history of fire safety system maintenance needs, with multiple instances of alarm system and sprinkler system corrections required between 2018-2024. Recent 311 calls from late 2024 indicate ongoing concerns with illegal parking and debris, though these are not directly related to building safety or maintenance. The property's commercial component received Planning Department approval for a Type 41 ABC License for a full-service restaurant, indicating potential ongoing retail operations at this location.

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

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Risk rating

How 3601-3603 26Th 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
25th percentile

Out of 2380 buildings in this neighborhood, 1785 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
48%
No DBI
violation
52%
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.

DBI tenant complaints (past 7 years)

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

Property class: apartment building

Apartment building — this property classification influences expected violation rates.

12-Month severity forecast
No violation 29.1%
Moderate concern 44.2%
Severe concern 26.7%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

3601-3603 26Th St event timeline

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

2026
311 Request May 20
Garbage and debris
other loose garbage debris yard waste
311 RequestJan 23
Garbage and debris

See all 11 events

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

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Every record we have

Full data for 3601-3603 26Th 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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