Free SF apartment background check

254 27Th Ave

Lake Street, SF 94121 1386029 4 units · 2 fl · 1959

This building has more problems than most buildings in this neighborhood. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Lake Street
At or below average
avg 0.6
0
FewerMore

This building has 0 novs (7y), at or below the Lake Street average of 0.6.

Rent & eviction protection

Is 254 27Th 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 1959
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
RM1
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 built1959
Total area2,690 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1386029
Ownership

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

Owner name
Rudolph A & Stephanie G Hof
Mailing address
Hoffman Rudolph A & Stephan P.O. Box 2023 Burlingame CA 94011
Last sale
000000

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 4-unit, 2-story multi-family residential building at 254 27th Avenue in the Lake --The Presidio neighborhood was constructed in 1959 and is currently owned by Rudolph A & Stephanie G Hof. The building has undergone several significant maintenance and repair works over the years, with the most recent notable improvement being a $6,000 siding repair project undertaken in December 2019, involving the installation of primed cedar siding on the building's front facade. Earlier maintenance work included a complete reroofing project in 2002 costing approximately $10,000, and more substantial repairs to address dry rot in deck support structures, though this permit ultimately expired. Historical records show routine apartment inspections in 1996, 2003, and 2007, with the latter inspection revealing multiple violations including the need for smoke detectors, ventilation for public halls, and adjustments to self-closing exterior door devices, all of which were promptly corrected by November 2007.

In terms of more recent history, there has been a pattern of parking-related issues near the property, with multiple citations issued for driveway blocking between 2021 and 2024, including two such incidents recorded in September 2024. Additional urban maintenance matters were addressed in 2021 and 2018, including the removal of encampment items and loose garbage. The building's overall record indicates regular maintenance and compliance with housing inspection requirements, with prompt responses to violations when they occur. The property has maintained its classification as a multi-family residential building throughout its history, with no significant changes to its basic structure or use.

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

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Risk rating

How 254 27Th 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
24th percentile

Out of 660 buildings in this neighborhood, 502 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
74%
No DBI
violation
26%
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.

Owner's portfolio size

Number of SF parcels this owner is registered on — larger portfolios have distinct risk patterns.

Building size

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

12-Month severity forecast
No violation 72.9%
Moderate concern 14.8%
Severe concern 12.2%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

254 27Th Ave apartment reviews

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The story over time

254 27Th Ave event timeline

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

2024
311 Request Sep 08
Blocking driveway cite only
Parking Enforcement

See all 2 events

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

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Every record we have

Full data for 254 27Th 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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