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274-276 Oak St

Hayes Valley, SF 94102 0832071

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 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 274-276 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
? units
Property type
Multi-Family Residential
Zoning
N/A
Possibly exempt. Built before 1979 but single-unit — single-family homes and condos may be exempt from the SF Rent Ordinance.

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

Building characteristics
Units
Floors
Year built1900
Total area2,950 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0832071
Ownership

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

Owner name
Arriaza Raul & Denise
Mailing address
4248 23rd St San Francisco CA 94114
Last sale
082216

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.

274 Oak St, San Francisco, CA 94102
276 Oak St, San Francisco, CA 94102
Augrented Insights
Initial analysis

The property at 274-276 Oak Street in Hayes Valley is a multi-family residential building constructed in 1900, currently owned by Raul and Denise Arriaza. The building experienced a significant fire incident on August 2, 2023, which resulted in exterior damage to the west side and roof level, along with smoke and water damage throughout the building, rendering it unsafe and uninhabitable. This incident triggered multiple building violations, including an active Notice of Violation (NOV) issued on August 1, 2023, and a final warning letter on October 10, 2023. In response to the fire damage and required repairs, the property is currently undergoing extensive renovations, with multiple permits issued in January 2024 for full unit remodeling, including kitchen and bathroom renovations, electrical upgrades, and plumbing fixture replacements. A roofing project with a cost of $25,000 was completed in November 2023.

Recent history shows the property has faced various urban challenges typical of the area, as evidenced by multiple 311 calls in 2024-2025, including reports of encampments, sidewalk blockages due to construction equipment, and exterior maintenance concerns. There was also a fire-related violation noted in May 2023 regarding combustible materials, though this was quickly resolved. The building's ongoing renovation work, as reflected in multiple permits and substantial investment, suggests active management of the property's recovery from the fire damage. The extensive scope of the current renovations includes comprehensive electrical system updates, new fixtures throughout, and compliance with engineering requirements for fire damage repairs, indicating a systematic approach to bringing the building back to habitable standards while addressing safety and modernization needs.

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

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Risk rating

How 274-276 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
85th percentile

Out of 1027 buildings in this neighborhood, 154 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 (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

DBI tenant complaints (past 7 years)

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

DBI complaints, owner's portfolio

Complaints across all of this owner's buildings over 7 years.

12-Month severity forecast
No violation 80.8%
Moderate concern 9.6%
Severe concern 9.6%
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

274-276 Oak St event timeline

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

2025
Tenant Buyout Oct 15
Tenant buyout · $40,000
1 tenant(s)
311 RequestSep 23
Other illegal parking

See all 16 events

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

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Every record we have

Full data for 274-276 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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