Free SF apartment background check

452 Oak St

Hayes Valley, SF 94102 0830011 12 units · 3 fl · 1900

This building has significantly more problems than most nearby buildings. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Hayes Valley
At or below average
avg 2.3
0
FewerMore

This building has 0 novs (7y), at or below the Hayes Valley average of 2.3.

Rent & eviction protection

Is 452 Oak 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
12 units
Property type
Multi-Family Residential
Zoning
RH3
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
Units12
Floors3
Year built1900
Total area7,260 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0830011
Ownership

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

Owner name
Iveli Thomas Estate Of
Mailing address
Johnston Kinney & Zulaica L 101 Montgomery St Ste 1600 San Francisco CA 94104
Last sale
032205

Landlord portfolio

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

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Augrented Insights
Initial analysis

Located in Hayes Valley, 452 Oak St is a 12-unit, 3-story multi-family residential building constructed in 1900 and currently owned by the Iveli Thomas Estate. The property has undergone several significant improvements over the years, including a completed soft-story retrofit in 2017 ($40,000), voluntary seismic improvements in 2012 ($37,300), and various plumbing upgrades such as tankless water heater installations in 2012 and 2008. Multiple fire safety system violations have been recorded and addressed between 2017 and 2023, including issues with alarm systems, sprinklers, and extinguishers, with the most recent violation being issued in March 2023. The building has a history of maintenance and safety concerns, including a notable 2013 complaint about leaking ceilings, water intrusion, and inadequate trash receptacles, though many of these issues appear to have been resolved through subsequent repairs and inspections.

Recent years have shown continued attention to building maintenance, including fence repairs in 2022 and electrical system upgrades in 2019. The property underwent unit renovations between 2006-2008, improving living conditions with kitchen upgrades in multiple apartments. Several routine safety inspections have been conducted, with the most recent being in 2019. A 2019 incident involving feces in the shared laundry area raised sanitation concerns, though this appears to have been addressed. The building underwent significant planning processes for lot subdivision, with multiple approvals granted for variances and conditional use applications. While there have been recurring fire system violations, most have been promptly addressed, and the building has achieved compliance with various safety requirements over time. Recent 311 calls from 2024 indicate ongoing issues with garbage and debris management in the vicinity of the property, though these are primarily external to the building itself.

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

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Risk rating

How 452 Oak 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
14th percentile

Out of 1027 buildings in this neighborhood, 883 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
35%
No DBI
violation
65%
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.

NOV rate, owner's portfolio

Per-building NOV rate across everything this owner manages — high rates signal pattern neglect.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

12-Month severity forecast
No violation 14.4%
Moderate concern 79.4%
Severe concern 6.2%
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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On the map

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The story over time

452 Oak St event timeline

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

2023
Fire Complaint Mar 29
Alarm Systems
Violation Issued

See all 8 events

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

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Every record we have

Full data for 452 Oak St apartments

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

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