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1140 Potrero Ave

Inner Mission, SF None 4211009 3 units · 2 fl · 1907

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 Mission
At or below average
avg 2.6
0
FewerMore

This building has 0 novs (7y), at or below the Inner Mission average of 2.6.

Rent & eviction protection

Is 1140 Potrero 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 1907
2 or more units
3 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
Units3
Floors2
Year built1907
Total area2,915 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot4211009
Ownership

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

Owner name
Thomas Pius&Breda Ann Mcdon
Mailing address
30 Ravenwood Dr San Francisco CA 94127
Last sale
022415

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 1140 Potrero Avenue is a two-story, three-unit multi-family residential building located in San Francisco's Inner Mission neighborhood, built in 1907 and owned by Thomas Pius & Breda Ann McDon. The building has undergone several significant modifications and faced various challenges over the years. Most notably, substantial improvements were made between 2007-2011, including a one-story horizontal addition and a change of occupancy classification, with the installation of a comprehensive fire sprinkler system completed in 2011 costing $30,000. The building experienced multiple compliance issues with the Vacant or Abandoned Building Ordinance (194-09) between 2008-2012, though all violations were ultimately resolved.

Historical maintenance issues included serious sewer problems, with documented incidents of sewage spillage onto public areas in 2002 and 2006, and concerns about the building's condition leading to a 2005 soundness investigation. The property also faced several abandoned building complaints throughout the 2000s, with reports of unauthorized occupation and maintenance violations in 1998-2002. Recent structural concerns were noted in 2011 regarding safety issues with a third-floor front patio's access to a neighboring roof. While the building had a history of plumbing and occupancy-related violations, the completion of major renovations and safety improvements suggests significant infrastructure upgrades have been implemented to address past deficiencies.

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

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Risk rating

How 1140 Potrero 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
40th percentile

Out of 2380 buildings in this neighborhood, 1428 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
59%
No DBI
violation
41%
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.

Neighborhood location

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

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 58.9%
Moderate concern 32.0%
Severe concern 9.0%
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

1140 Potrero Ave event timeline

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

2026
311 Request Feb 02
Public works
bsm request for service
311 RequestJan 27
Offensive

See all 5 events

Full history back to 2025 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1140 Potrero 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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