Free SF apartment background check

1456 Clayton St

Corona Heights, SF 94114 2704046 2 units · 1 fl · 1906

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 Corona Heights
At or below average
avg 1.2
0
FewerMore

This building has 0 novs (7y), at or below the Corona Heights average of 1.2.

Rent & eviction protection

Is 1456 Clayton 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 1906
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
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
Units2
Floors1
Year built1906
Total area1,570 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2704046
Ownership

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

Owner name
Nolan Paul A
Mailing address
1456 Clayton St San Francisco CA 94114
Last sale
000000

Landlord portfolio

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

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Augrented Insights
Initial analysis

1456 Clayton Street is a 2-unit, 1-story multi-family residential building located in Corona Heights, constructed in 1906 and currently owned by Nolan Paul A. The property has undergone several significant renovations and faced multiple compliance issues over its history. In the early 2000s, the building experienced various violations related to sanitation and fire safety, including issues with rubbish removal, combustible storage, and gas meter requirements, all of which were ultimately abated by April 2004. Between 2005-2006, the property underwent substantial interior and exterior work, including plaster repairs, fixture installations, and kitchen and bathroom updates, following a notice of violation for unpermitted renovations. Multiple electrical upgrades were completed during this period, including the installation of a 200-amp service with three meters in 2003, though several permits from 2005-2008 expired.

More recent history shows the property has maintained active housing inspections, with records indicating routine inspections in 2010. Completed building permits from 2005-2012 suggest ongoing maintenance and improvements to the property, including repairs to rotted balcony and other updates. The building has experienced recurring issues with parking violations in recent years, as evidenced by multiple 311 calls between 2023-2024 regarding vehicles blocking driveways, though these are external to the building itself. The most recent permit activity includes 2023 calls for parking enforcement, street cleaning, and other municipal services, with no active building violations or major complaint history in recent years. The property's documented history shows a pattern of addressing code violations and completing required repairs, though there was a period of non-compliance in the mid-2000s that was subsequently resolved through proper permits and inspections.

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

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Risk rating

How 1456 Clayton 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
54th percentile

Out of 348 buildings in this neighborhood, 160 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
84%
No DBI
violation
16%
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 location

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

Building permits, owner's portfolio

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

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month severity forecast
No violation 78.3%
Moderate concern 15.6%
Severe concern 6.1%
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

1456 Clayton St event timeline

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

2026
311 Request Feb 11
Blocking driveway cite only
Parking Enforcement

See all 7 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1456 Clayton 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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