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631 25Th Ave

Central Richmond, SF 94121 1568004 2 units · 2 fl · 1987

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 Central Richmond
At or below average
avg 0.5
0
FewerMore

This building has 0 novs (7y), at or below the Central Richmond average of 0.5.

Rent & eviction protection

Is 631 25Th Ave 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 1987
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
Not rent-controlled. Buildings constructed after 1978 are generally exempt from SF rent increase limits under the Costa-Hawkins Act.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units2
Floors2
Year built1987
Total area3,865 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1568004
Ownership

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

Owner name
Chow Pamela Living Trust
Mailing address
Leonia C Lam 519 35Th Ave San Francisco CA 94121
Last sale
060999

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit multi-family residential building at 631 25th Avenue in the Central Richmond neighborhood, owned by the Chow Pamela Living Trust, has undergone several significant modifications since its construction in 1987. The most recent major work is an issued permit for re-roofing with a cost of $20,000, scheduled for 2024, which continues the pattern of maintenance shown by a previous roofing project in 2006 that cost $4,500. The building's interior has seen various renovations, including a 1995 bathroom relocation and kitchen removal conversion to storage, as well as treatment for dry rot at the shower in 1994. Initial construction challenges were addressed in 1986 with changes to the north side footing and the demolition of the previous structure. A notable incident occurred in October 1995 when a complaint was filed regarding an illegal unit with kitchen and bathroom facilities behind the garage, though this issue was promptly abated within days.

In terms of recent property management and maintenance, there have been multiple cases of sidewalk-related issues near the building, primarily involving illegal parking and garbage concerns. Between 2020 and 2024, there were several documented instances of driveway blocking, with the most recent parking enforcement action occurring in June 2024. Street cleaning and garbage issues have been reported and resolved in various instances throughout this period, including the most recent cases in June 2024 for garbage and debris. Two instances of graffiti were reported and addressed in early 2023. While these external maintenance issues have been consistently resolved through appropriate channels, they do suggest ongoing challenges with the immediate surroundings of the property, particularly concerning parking and waste management.

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

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Risk rating

How 631 25Th Ave'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
76th percentile

Out of 2250 buildings in this neighborhood, 540 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
88%
No DBI
violation
12%
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.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

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 79.2%
Moderate concern 10.5%
Severe concern 10.3%
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

631 25Th Ave event timeline

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

2024
Building Permit Jul 26
Re-roofing
$20,000 · Issued

See all 1 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 631 25Th Ave 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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