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Building and Landlord Data Analysis Report

578-580 20th Ave, San Francisco, CA 94121

0
Complaints
0
Fire Incidents
6
311 Calls
0
Permits

Risk Assessment

37
Moderate Risk

This building shows some maintenance concerns that warrant attention.

Our AI predicts there is a 37% chance of no major maintenance issues.
Augrented Insights Report

The Wong Family Trust owns this well-maintained two-unit multi-family residential building located at 578-580 20th Avenue in the Central Richmond neighborhood. Built in 1922, this two-story flats and duplex structure has undergone several significant improvements over the past decade, with the most substantial renovation occurring in 2018 when comprehensive updates were made to both bathrooms and kitchens, including the replacement of all fixtures and appliances at a cost of $35,000. This renovation was accompanied by electrical upgrades, including the installation of new lighting, switches, receptacles, and modern appliances such as a dishwasher, garbage disposal, microwave, and range.

The building's infrastructure improvements are noteworthy, with a 200-amp electrical service upgrade completed in 2011 and the installation of a new water meter and main line that same year. The property has experienced minimal building-related issues in recent years, though there was one significant incident involving a sewage backup in February 2020 that was promptly resolved by PUC Sewer Operations. The building's location has experienced typical urban challenges, including several parking-related complaints between 2015 and 2022, though these issues were primarily street-related and not directly concerning the property itself.

An illegal construction complaint was filed in December 2016, which was resolved through proper channels. The building's maintenance record, particularly regarding plumbing and electrical systems, suggests regular upkeep and modernization, with no recent permits or complaints suggesting ongoing maintenance issues or safety concerns. The property's documented history shows regular maintenance and upgrading of essential systems, with significant investments in modernization occurring approximately every seven years (2011 and 2018) for both plumbing and electrical infrastructure, alongside cosmetic and functional improvements to individual units. The building's location has experienced typical urban challenges, including several parking-related complaints between 2015 and 2022, though these issues were primarily street-related and not directly concerning the property itself.

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 Central Richmond.

Building Characteristics

Total units 2
Year built 1922
Total area 3300 sq ft
Floors 2
Tax Abatements None
Building Class F - Flats & Duplex
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Key Building Statistics

0
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.
6
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

  • 578 20th Ave, San Francisco CA 94121
  • 580 20th Ave, San Francisco CA 94121

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578-580 20th Ave Landlord Information

Ownership Data

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

NameAddress
Wong Family TrustKenneth F Wong Trustee 835 37Th Ave San Francisco CA 94121

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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578-580 20th Ave 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 578-580 20th Ave

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 578-580 20th Ave, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-06-14 16:29:48+00:00 Illegal Postings PW - Street and Environmental Servicesaffixed_improperlyNone Closed
2022-05-18 08:11:00+00:00 Parking Enforcement Parking Enforcement Dispatch QueueBlocking_Driveway_Cite_OnlyWhite - - n/a Closed
2022-04-14 13:53:00+00:00 Parking Enforcement Parking Enforcement Dispatch QueueDouble_Parking- see below - Closed
2022-04-08 14:24:00+00:00 Abandoned Vehicle DPT Abandoned Vehicles Work QueueAbandoned Vehicle - Otherblack - Sion - XB - 6ENS322 Closed
2020-02-26 10:29:57+00:00 Sewer Issues PUC Sewer OpsSewage_back_upOutofsewervent4inch Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
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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
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Building Permits

Permit records for 578-580 20th Ave.

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 578-580 20th Ave 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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