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Building and Landlord Data Analysis Report

331-335 Cornwall St, San Francisco, CA 94118

0
Complaints
0
Fire Incidents
15
311 Calls
0
Permits

Risk Assessment

44
Moderate Risk

This building shows some maintenance concerns that warrant attention.

Our AI predicts there is a 44% chance of no major maintenance issues.
Augrented Insights Report

The three-unit residential building at 331-335 Cornwall Street in San Francisco's Inner Richmond district is a 3-story flats and duplex structure built in 1907, currently owned by Nguyen Tho N. The building has undergone several significant maintenance and improvement projects over the past decades, with the most recent being parking enforcement issues. Historical records show multiple roofing projects (1991, 2006), extensive window replacements in 2003 (including 34 front windows, 8 rear/side windows, and 1 sliding door), and major renovations in 1991 that included electrical and plumbing work, as well as the installation of a new furnace and dryrot removal.

The building has experienced two documented gas-related incidents—one classified as a good intent call and another involving a gas leak—both with no civilian injuries recorded. The property has faced some maintenance and compliance challenges, including a heating system issue in late 2003 where temporary heating was provided by the owner, and a routine housing inspection in 2003. A possible illegal unit complaint was filed in 1994 but was resolved within a month.

More recently, there have been multiple parking enforcement issues, with nine documented cases between 2019 and 2024 regarding driveway blocking, resulting in at least three citations being issued. Other minor issues have been reported and addressed, including illegal postings in 2021 and exterior waste management concerns in 2022. The building's maintenance history suggests regular upkeep of major systems, though the pattern of parking violations indicates ongoing challenges with street access management.

Last updated: January 17, 2025
This report is created with AI and based on the most recent 10 data items in each category. Full reports with 50+ data points are available to subscribers.

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Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Inner Richmond.

Building Characteristics

Total units 3
Year built 1907
Total area 2770 sq ft
Floors 3
Tax Abatements Home Owners
Building Class F - Flats & Duplex
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Key Building Statistics

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Building Complaints
Number of complaints filed with the Department of Building Inspection in the last 7 years.
0
Code Violations
Building code violations issued by DBI in the last 7 years.
0
Fire Incidents
Total number of fire incidents reported at this building.
0
DBI Director Hearings
Number of Director's Hearings held by DBI in the last 7 years.
15
311 Calls
Number of 311 calls for this building.
0
Fire Injuries
Number of fire injuries reported by SFFD.
0
Building Permits
Number of building permits issued by DBI.

Included Addresses

  • 333 Cornwall St, San Francisco CA 94118
  • 335 Cornwall St, San Francisco CA 94118
  • 331 Cornwall St, San Francisco CA 94118

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331-335 Cornwall St Landlord Information

Ownership Data

Ownership data from the Secured Roll (property tax) provided by the SF Assessor-Recorder.

NameAddress
Nguyen Tho N331 Cornwall St San Francisco CA 94118

Landlord Portfolio

We cross-reference landlords' property tax registrations to find the other buildings they own or manage.

AddressUnitsCode ViolationsRisk Rating
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Landlord Court Records

From CA Court Service & DocketAlarm. Note: name matching only, verify parties are actually the owners by reviewing the case files!

Date FiledCase TitleCourtLink
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331-335 Cornwall St Rent Control Status

Year Built
Built before 1979
Units
More than 1 unit
Rent Board Registration
Not applicable
Additional Info
N/A
Year BuiltUnitsRent Board RegistrationAdditional Info
Before 1979 >1 unit N/A N/A

Full Building Data for 331-335 Cornwall St

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 331-335 Cornwall St, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-03-28 22:50:24+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchblocking_driveway_cite_towNone Closed
2025-02-09 13:01:48+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchblocking_driveway_cite_towNone Closed
2025-01-16 20:43:35+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchblocking_driveway_cite_towNone Closed
2024-10-15 20:39:50+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchblocking_driveway_cite_towNone Closed
2024-09-28 15:06:30+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchblocking_driveway_cite_towNone Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2003-11-05 00:00:00+00:002003-12-24 00:00:00+00:00Housing Inspection ServicesHeater doesn't work. owner provided a space heater. Not Active View on DBI
2003-08-07 00:00:00+00:002003-08-07 00:00:00+00:00Housing Inspection ServicesRoutine inspection Not Active View on DBI
1994-08-09 00:00:00+00:001994-09-19 00:00:00+00:00Housing Inspection ServicesPossible illegal unit. Not Active View on DBI
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
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Fire Violations

Fire code violations recorded by the San Francisco Fire Department.

Violation DateDisposition DateAddressViolation DescriptionStatus
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Fire Incidents

Historical fire incident records for the property.

Incident DatePrimary SituationIgnition CauseCivilian Injuries
2020-04-01 00:00:00+00:00412 Gas leak (natural gas or LPG)None0
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Building Permits

Permit records for 331-335 Cornwall St.

Permit Creation DateEstimated CostDescriptionStatusPermit Number
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Electrical Permits

Electrical system permits for the building.

Application DateDescriptionStatusPermit Number
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Plumbing Permits

Plumbing system permits for the building.

Application DateDescriptionStatusPermit Number
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Planning Records

Planning records for the property.

DateProject AddressDescriptionApplicant
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Tenant Buyouts

Tenant buyout records for the property.

BlocklotAddressAgreement DateAmountTenants
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How 331-335 Cornwall St Compares

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Showing buildings that are: within 0.5 miles , of similar age (±15 years), of similar size (±50% units)

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