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Building and Landlord Data Analysis Report

555-557 20th Ave, San Francisco, CA 94121

1
Complaints
0
Fire Incidents
1
311 Calls
0
Permits

Risk Assessment

73
Low Risk

This building shows minimal signs of maintenance issues based on our analysis.

Our AI predicts there is a 73% chance of no major maintenance issues.
Augrented Insights Report

The two-unit residential building at 555-557 20th Avenue in San Francisco's Central Richmond neighborhood is a 2-story flats and duplex structure built in 1918, currently owned by William York Lai Gee. The property underwent significant renovation work in 2006-2008, including a major $185,000 remodeling project of the rear portion of the building that added new living spaces across multiple floors, followed by revisions in late 2008 to modify interior stair configurations and footings.

This phase of work included comprehensive upgrades to electrical systems with a new 200-amp service installation, new plumbing for two kitchens and four bathrooms, and the installation of numerous modern amenities such as smoke detectors, appliances, and electrical fixtures. Earlier maintenance records show attention to basic upkeep matters, including stucco replacement in 1990, window sealing and dry rot repairs in 2004, and reroofing work in 1995. More recently, there have been some neighborhood-related issues noted, including a 2024 complaint about possible sidewalk encroachment and a 2020 noise complaint regarding nearby construction activities.

A hazardous materials incident involving liquid substances was reported and resolved in March 2023. The property obtained a rear yard variance approval, indicating compliance with necessary planning requirements. While the building's documented history shows regular maintenance and significant modernization work, the most pressing recent issue appears to be the potential sidewalk encroachment noted in 2024, though this complaint is currently marked as not active.

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 1918
Total area 3381 sq ft
Floors 2
Tax Abatements Home Owners
Building Class F - Flats & Duplex
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Key Building Statistics

1
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.
1
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

  • 555 20th Ave, San Francisco CA 94121
  • 557 20th Ave, San Francisco CA 94121

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555-557 20th Ave Landlord Information

Ownership Data

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

NameAddress
Gee William York Lai555 - 557 20th 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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555-557 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 555-557 20th Ave

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 555-557 20th Ave, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2023-03-28 19:11:00+00:00 Street and Sidewalk Cleaning PUC Sewer OpsHazardous MaterialsLiquids - Oil/Paint/Other Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2024-05-20 00:00:00+00:00NoneBuilding Inspection DivisionDate last observed: 17-may-24; time last observed: lead work.. also encroachment; exact location: main bldg; building type: residence/dwelling other housing; other disabled access; ; additional information: encroachment of sidewalk ; Not Active View on DBI
2020-09-01 00:00:00+00:00NoneBuilding Inspection DivisionAt the corner of illinois and 20th, the old bethlehem steel building and new restoration hardware store.1-3 days a week for the past several weeks the workers have started construction between 4:00 and 6:00 am including cutting steel beams, dumping truck loads of material, cutting concrete, welding, and moving boom lifts around 10-15 minutes straight, which means they are beeping very loudly the entire time. (311 sr#12847340) 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
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Building Permits

Permit records for 555-557 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 555-557 20th Ave Compares

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