Free SF apartment background check

611 Pennsylvania Ave

Potrero Hill, SF 94107 4104053

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 Potrero Hill
At or below average
avg 1.1
0
FewerMore

This building has 0 novs (7y), at or below the Potrero Hill average of 1.1.

Rent & eviction protection

Is 611 Pennsylvania 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 1941
2 or more units
? units
Property type
Multi-Family Residential
Zoning
RH2
Possibly exempt. Built before 1979 but single-unit — single-family homes and condos may be exempt from the SF Rent Ordinance.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units
Floors
Year built1941
Total area1,447 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot4104053
Ownership

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

Owner name
Ferris David J Jr Living Tr
Mailing address
David J Ferris Jr 611 Pennsylvania Ave San Francisco CA 94107
Last sale
000000

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 611 Pennsylvania Avenue in Potrero Hill is a multi-family residential building constructed in 1941, currently owned by the Ferris David J Jr Living Trust. The building has undergone several significant maintenance and improvement projects over the past decades, including a reroofing project in 1994, installation of vinyl siding in 1990, and aluminum window installation in 1986, though both the roofing and window permits have since expired. More recently, in 2008, there was a completed flue replacement project.

Of particular concern is the building's history of sewage-related issues, with seven documented incidents of sewage backups between 2016 and 2017, all involving 4-inch vent problems and all eventually resolved. This pattern suggests recurring plumbing system challenges during that period. The property has also experienced some infrastructure issues with three documented pavement defects, including incidents in 2013 and 2019, both of which were resolved. The most recent reported incident was in February 2022, involving construction equipment blocking a parking space, which was also resolved. While these records do not provide a comprehensive picture of the building's current condition, they indicate a historical pattern of plumbing system challenges and periodic infrastructure maintenance needs, particularly in the context of its age.

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

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Risk rating

How 611 Pennsylvania 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
58th percentile

Out of 726 buildings in this neighborhood, 305 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
78%
No DBI
violation
22%
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.

Neighborhood location

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

12-Month severity forecast
No violation 83.4%
Moderate concern 11.5%
Severe concern 5.1%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

611 Pennsylvania Ave apartment reviews

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On the map

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The story over time

611 Pennsylvania Ave event timeline

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

2026
Plumbing Permit May 05
New whole house shutoff-valve, prv installation. flowmeter and automatic shutoff-valve installation, replace gas water heater with heat pump water heater (ge geospring 50 gallon), remove additional water heater. cap gas line. bathroom remodel. replacing galvanized piping with pex, bathtub to shower conversion.
Issued
Electrical PermitMay 05
Add subpanel, new circuits for heat pump water heater, bathroom remodel, in floor heating, flow meter + shut-off. 4 circuits, 3 lights, 2 switches, 3 receptacles. 50amps sub-panelboard,

See all 5 events

Full history back to 2026 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 611 Pennsylvania 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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