Free SF apartment background check

4033-4035 25Th St

Noe Valley, SF 94114 6548038 2 units · 2 fl · 1900

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 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 4033-4035 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
2 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
Units2
Floors2
Year built1900
Total area2,100 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6548038
Ownership

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

Owner name
Colin M Thurlow 2007 Trust
Mailing address
Colin M Thurlow, Trustee 4035 25Th St San Francisco CA 94114
Last sale
000000

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.

4035 25th St, San Francisco, CA 94114
4033 25th St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The duplex at 4033-4035 25th Street in Noe Valley, owned by the Colin M Thurlow 2007 Trust, has undergone significant recent renovations and has a documented history of maintenance and improvements. Most notably, in September 2024, major upgrades were initiated including comprehensive renovations of one kitchen and two bathrooms in both units (4033 & 4035), installation of new appliances, interior finishes, relocation of a first-floor window, and replacement of a mechanical efficiency heat pump at an estimated cost of $110,000. This was followed by electrical rewiring of the entire two-unit building and plumbing upgrades including a complete remodel of kitchens and bathrooms, and replacement of main sewer and house trap. A sewage backup incident was reported and resolved in August 2024, marking the most recent service issue.

The property has undergone various improvements since its construction in 1900, including exterior siding repairs in 2023, window retrofitting in 2010, and significant plumbing work in 2016 including sewer system upgrades. Historical records show structural work in 1988 to address substandard framing of rear structures, though some earlier permits from the late 1980s and early 2000s have expired or were cancelled. The building experienced sewer-related issues in 2014, 2017, and 2024, indicating some ongoing infrastructure challenges, though these have been addressed through repairs. A notable tenant buyout occurred in May 2023 for $50,000 involving one tenant at 4033 25th Street. The property has also been subject to several parking-related incidents in the vicinity, though these are not directly related to the building's condition or management.

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

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Risk rating

How 4033-4035 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

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
72th percentile

Out of 1879 buildings in this neighborhood, 526 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
85%
No DBI
violation
15%
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 location

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

Building age

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

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 85.4%
Moderate concern 9.8%
Severe concern 4.8%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

4033-4035 25Th St apartment reviews

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The story over time

4033-4035 25Th St event timeline

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

2025
Plumbing Permit Mar 03
Hvac
Complete
Building PermitFeb 18
Repair, refinish/repaint parging at (e) front retaining wall to remian. remove (e) planting. provide new planter, planting, and compliant guardrails. remove (e) non structural cmu guard walls at exterior entry landing stairs. provide new guardrails and handrails. repaint front doors.

See all 9 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 4033-4035 25Th St apartments

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

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