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315 Cornwall St

Inner Richmond, SF 94118 1429046 2 units · 2 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 Inner Richmond
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Inner Richmond average of 0.9.

Rent & eviction protection

Is 315 Cornwall 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
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
Units2
Floors2
Year built1906
Total area2,560 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1429046
Ownership

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

Owner name
Robert M Steiner & Claire E
Mailing address
Steiner Robert M & Whitmer 359 29Th Ave San Francisco CA 94121
Last sale
050500

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 315 Cornwall Street is a two-unit, two-story multi-family residential building located in San Francisco's Inner Richmond neighborhood. Built in 1906, this flats/duplex structure has undergone several significant maintenance and improvement projects over the years. The most substantial work occurred between 2001 and 2003, including a complete reroofing project in 2001 costing $9,400, followed by foundation work in 2003 that involved capping the existing foundation and pouring new interior post footings at a cost of $23,000. An earlier repair to the exterior wall and replacement of the porch's redwood siding was permitted in 1990, though this permit ultimately expired.

The building has experienced recurring issues with vehicles blocking driveways, particularly evident in 2024, with three documented citations issued for this offense between March and November 2024. Other notable incidents include two instances of offensive graffiti in October 2020, street cleaning issues in July 2021, and one general service request to the Department of Public Works in March 2022, though this request was apparently not addressed within the typical response timeframe. The historical permit records suggest that major structural improvements were made in the early 2000s, though no recent major renovations or improvements appear in the available records up to October 2023.

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

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Risk rating

How 315 Cornwall 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
59th percentile

Out of 1723 buildings in this neighborhood, 706 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
86%
No DBI
violation
14%
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.

Estimated permit spend (past 7 years)

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

Building permits, owner's portfolio

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

12-Month severity forecast
No violation 81.7%
Moderate concern 13.8%
Severe concern 4.5%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

315 Cornwall St apartment reviews

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The story over time

315 Cornwall St 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 315 Cornwall 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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