Free SF apartment background check

860 Oak St

Hayes Valley, SF 94117 0826008A 12 units · 3 fl · 1928

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
1
FewerMore

This building has 1 novs (7y), at or below the Hayes Valley average of 2.3.

Rent & eviction protection

Is 860 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 1928
2 or more units
12 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
Units12
Floors3
Year built1928
Total area9,270 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0826008A
Ownership

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

Owner name
Carl Edward Olson Revoc Tru
Mailing address
Carl E Olson Trustee 55 W Oak Knoll Dr San Anselmo CA 94960
Last sale
082196

Landlord portfolio

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

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Augrented Insights
Initial analysis

860 Oak Street is a 12-unit, 3-story multi-family residential building located in Hayes Valley, built in 1928 and currently owned by the Carl Edward Olson Revocable Trust. The building has undergone several significant improvements over recent years, most notably a seismic retrofit completed in compliance with San Francisco's mandatory Soft Story Retrofit Program (Tier 3), which was officially completed and issued a CFC. Recent work includes a comprehensive $60,000 remodel of Unit #2 as of June 2024, involving kitchen and bathroom updates, electrical improvements, and fire safety upgrades. The building has had recurring fire alarm system issues, with multiple violations and complaints from 2015 through 2023, though recent permits show efforts to bring the system up to current code requirements.

The property has experienced some concerning maintenance issues in recent years, particularly in 2023, when multiple tenant complaints reported significant rodent infestations, with units allegedly experiencing nightly disturbances from mice in walls, and workers reportedly finding over 60 mice in one unit. There were also complaints about mold and moisture issues in early 2023. While these complaints were marked as "Not Active," they suggest ongoing maintenance challenges. Historical records from 2007-2010 show various violations related to building systems and safety features, including fire safety equipment, smoke enclosure doors, and water heater compliance, though these issues appear to have been resolved. The building has also had some isolated incidents related to neighboring construction work and periodic parking enforcement issues, with multiple citations issued between 2021-2023 for vehicles blocking driveways. Despite these challenges, the property has seen significant investments in improvements, including window replacements in 2003, and recent fire safety and seismic upgrades, indicating ongoing maintenance and compliance efforts by the ownership.

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

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Risk rating

How 860 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
13th percentile

Out of 1027 buildings in this neighborhood, 893 are predicted to be safer.

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

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

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

12-Month severity forecast
No violation 18.7%
Moderate concern 58.0%
Severe concern 23.3%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

860 Oak St apartment reviews

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On the map

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The story over time

860 Oak St event timeline

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

2025
Fire Complaint Jul 07
Alarm Systems
Violation Issued

See all 16 events

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

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Every record we have

Full data for 860 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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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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