Free SF apartment background check

3936-3942 26Th St

Noe Valley, SF 94131 6552013 4 units · 3 fl · 1908

This building has far more open problems than almost any other in the neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Noe Valley
At or below average
avg 1.2
0
FewerMore

This building has 0 novs (7y), at or below the Noe Valley average of 1.2.

Rent & eviction protection

Is 3936-3942 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 1908
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
RH2
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
Floors3
Year built1908
Total area6,124 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6552013
Ownership

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

Owner name
Yeh Yung-Anne
Mailing address
3938 26th St San Francisco CA 94131
Last sale
042021

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.

3942 26th St, San Francisco, CA 94131
3938 26th St, San Francisco, CA 94131
3936 26th St, San Francisco, CA 94131
3940 26th St, San Francisco, CA 94131
Augrented Insights
Initial analysis

The property at 3936-3942 26th Street in Noe Valley is a three-story, four-unit multi-family residential building constructed in 1908 and currently owned by Yeh Yung-anne. The building underwent significant renovation and safety system upgrades between 2017-2019, including the installation of a comprehensive fire sprinkler system ($25,000), electrical rewiring, plumbing modernization, and HVAC unit installations. During this period, multiple complaints were filed regarding construction impacts, including unsafe sidewalk conditions, parking violations, and work beyond permitted scope. Notable building improvements included the addition of washer/dryer facilities, bathroom reconfigurations, and various electrical and plumbing upgrades.

In 2018-2019, several complaints were registered regarding construction activities, allegedly exceeding approved scopes and affecting neighboring properties, including issues with roof deck construction, temporary lighting systems, and security concerns. The building's historical violations from 2004 included various maintenance issues such as lighting, window repairs, and fire safety matters, though these were resolved by February 2005. After construction completion, there have been continued reports of parking violations in the area, with multiple citations issued between 2021-2024 for blocked driveways and parking restrictions. The property underwent a tenant buyout program in February 2017, affecting three units with compensation amounts of $96,785 each. While the building has been substantially upgraded in terms of safety systems and amenities, the construction period generated numerous complaints related to neighbor impacts, though most major renovation work appears to have been completed and properly permitted.

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

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Risk rating

How 3936-3942 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
9th percentile

Out of 1879 buildings in this neighborhood, 1710 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
44%
No DBI
violation
56%
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.

DBI complaint rate, owner's portfolio

Per-building complaint rate across the owner's portfolio.

12-Month severity forecast
No violation 46.2%
Moderate concern 26.6%
Severe concern 27.2%
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

3936-3942 26Th St event timeline

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

2025
311 Request Jul 09
Blocking driveway cite only
Parking Enforcement

See all 7 events

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

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Every record we have

Full data for 3936-3942 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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