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451 Paul Ave

Bayview Heights, SF 94124 5465051 4 units · 2 fl · 1960

This building has far more open problems than almost any other in the neighborhood. Renters here report frequent, slow-to-fix problems. Get repair promises in writing and check the unit before signing.

NOVs (7y) vs. neighborhood
Compared to a typical building in Bayview Heights
Above average
avg 2.7
10
FewerMore

This building has 10 novs (7y), above the Bayview Heights average of 2.7.

Rent & eviction protection

Is 451 Paul 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 1960
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
RH1
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 built1960
Total area2,500 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot5465051
Ownership

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

Owner name
Ignacio Norberto T & Cabano
Mailing address
451 Paul Ave Apt 1 San Francisco CA 94124
Last sale
073013

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 2-story, 4-unit multi-family residential building at 451 Paul Avenue in Bayview Heights, owned by Ignacio Norberto T & Cabano, was constructed in 1960 and has experienced several significant maintenance and safety issues over its history. Most recently, in November 2024, the property received multiple fire code violations related to an ERRCS permit requirement, with cases referred for hearing and classified as open violations. During the fall of 2021, the building faced several urgent repairs, including the replacement of an outdated wall furnace following a gas leak incident, though more serious issues emerged regarding inadequate heating, damaged kitchen cabinets, plumbing problems, and the need for fire safety equipment updates, all of which were ultimately abated by October 28, 2021. The building's maintenance history shows some persistent safety concerns, with documented violations in 2007 regarding handrails, fire escape maintenance, and fire extinguisher requirements, all of which were also addressed by 2021. While there have been regular inspections conducted in 1999 and 2007, the most pressing recent issues relate to the 2024 fire code violations indicating potential ongoing concerns about the building's safety systems. The surrounding area has experienced various maintenance issues as evidenced by multiple 311 calls in late 2024 and early 2025, primarily regarding graffiti removal and garbage disposal, though these are external to the building itself.

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

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Risk rating

How 451 Paul 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
7th percentile

Out of 54 buildings in this neighborhood, 50 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
23%
No DBI
violation
77%
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.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

NOV rate, owner's portfolio

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

12-Month severity forecast
No violation 18.4%
Moderate concern 30.3%
Severe concern 51.3%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

451 Paul Ave apartment reviews

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The story over time

451 Paul Ave event timeline

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

2025
311 Request Aug 04
Parking on sidewalk
Parking Enforcement
311 RequestMar 27
Garbage and debris

See all 13 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 451 Paul 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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