Free SF apartment background check

3999 25Th St

Noe Valley, SF 94114 6549029 4 units · 2 fl · 1900

A handful of records on file over the last seven years, and our model sees a moderate chance of more in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Noe Valley — not a forecast
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 3999 25Th 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
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.

Statewide backstop · AB 1482

California Tenant Protection Act of 2019

Even when a building isn't covered by local rent stabilization, the statewide Tenant Protection Act (AB 1482) may still apply. It caps annual rent increases and requires the landlord to state a legal reason to end most tenancies.

15+ years since occupancy
Built 1900
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

AB 1482 does not apply to single-family homes and condos unless owned by a corporation, REIT, or an LLC with a corporate member; to owner-occupied duplexes; or to deed-restricted affordable housing. The Act is in effect until January 1, 2030. Not legal advice — see the California landlord–tenant guide.

Building characteristics
Units4
Floors2
Year built1900
Total area2,584 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6549029
Ownership

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

Mailing address
Johnson Devon P & Fang Jane 3065 Buchanan St San Francisco CA 94123
Last sale
August 09, 2019

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

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

3999 A 25th St, San Francisco, CA 94114
1201 Sanchez St, San Francisco, CA 94114
3999 25th St, San Francisco, CA 94114
1203 Sanchez St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The property at 3999 25th Street in Noe Valley is a two-story, 4-unit multi-family residential building constructed in 1900, currently owned by Devon P Johnson and Jane Y Fang. The building has undergone significant modifications and improvements over the past several years, with the most substantial work occurring between 2020-2022. Recent major renovations include the conversion of the lower level and garage into two new ADUs (completed in 2020), comprehensive fire safety upgrades including the installation of 13R residential fire sprinklers in 2022, and electrical system improvements with new wiring installations completed in 2022 for units #1 and #2. The building has also undergone several structural and safety improvements, including chimney removals, rear deck modifications, and lateral retrofitting work to comply with AB-094 requirements.

The property had a history of building violations in 2001, primarily related to security and fire safety issues, including requirements for deadlatch locks, self-closing devices at exterior doors, and fire proofing repairs. However, all these violations were abated by March 2011. More recent plumbing and electrical work, including multiple kitchen and bathroom additions/renovations, has been carried out under proper permits, though some permits expired without completion before being reissued. The building's infrastructure has seen significant investment, with over $300,000 in permitted improvements since 2020, focusing on modernization and safety compliance. Recent 311 calls from 2023-2024 have primarily concerned external issues such as sidewalk maintenance, parking violations, and general cleaning matters, which are typical for the neighborhood context.

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

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Risk rating

How 3999 25Th 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

Lower risk — safer than most nearby

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Typical — about average for the neighborhood

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Higher risk — riskier than most nearby

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
31stpercentile

Out of 1879 buildings in this neighborhood, 1297 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
66%
No DBI
violation
34%
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 age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

Property class: multi-family flat

2–4 unit flats (class F) are a common SF building type with their own maintenance and complaint patterns.

12-Month risk forecast
Moderate failure risk 34%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

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On the map

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8 found
The story over time

3999 25Th St event timeline

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

2025
311 & DBI Complaint Nov 20
Construction private property
Noise
Electrical PermitSep 29
Entire unit #3 on 3/f. new wiring and new sub panel.

See all 19 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 3999 25Th St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

Side by side

How 3999 25Th St compares to the neighborhood

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