Free SF apartment background check

25 Napier Ln

Telegraph Hill, SF 94133 0085011 2 units · 2 fl · 1900

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 Telegraph Hill
At or below average
avg 1.2
0
FewerMore

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

Rent & eviction protection

Is 25 Napier Ln 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
2 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
Units2
Floors2
Year built1900
Total area1,458 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot0085011
Ownership

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

Owner name
Hayes Stanley R
Mailing address
25 Napier Ln San Francisco CA 94133
Last sale
080708

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit residential building at 25 Napier Lane in Telegraph Hill is a two-story flats and duplex structure built in 1900, currently owned by Stanley R. Hayes. The property has a documented history of maintenance and repair work focusing on safety features and water-related issues. Most recently, in October 2018, the building underwent repairs to the rear stair landing and railing systems, with work completed at a cost of $4,500. Prior to this, in 2012, the property experienced water-related problems that necessitated repairs including roof work, deck tile removal, and sheetrock patching, along with safety upgrades to the railing system to meet code requirements, with this larger project costing $17,000.

The building's maintenance history dates back to at least 1994 when a reroofing project was initiated, though records indicate this permit expired. More recently, there is one open issue related to a sidewalk defect reported in November 2024 under the jurisdiction of the Public Works Street Use and Mapping agency. The property has also been affected by neighborhood encampment issues, with a report filed in September 2018 that was subsequently closed after the area was cleared. The building's documented repairs suggest regular maintenance attention to critical safety features, particularly regarding stair access and water-related issues, while the recent sidewalk defect report indicates a potential area of concern outside the building's immediate structure.

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

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Risk rating

How 25 Napier Ln'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
87th percentile

Out of 684 buildings in this neighborhood, 89 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
94%
No DBI
violation
6%
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 age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

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 91.2%
Moderate concern 4.6%
Severe concern 4.2%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

25 Napier Ln event timeline

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

No dated public records on file yet.
Every record we have

Full data for 25 Napier Ln 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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