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Building and Landlord Data Analysis Report

2390 21st Ave, San Francisco, CA 94116

1
Complaints
0
Fire Incidents
172
311 Calls
2
Permits

Risk Assessment

28
High Risk

This building is in the riskiest 10% of buildings in Presidio Heights with significant maintenance issues.

Our AI predicts there is a 28% chance of no major maintenance issues.
Augrented Insights Report

The two-story, multi-family residential building at 2390 21st Avenue in the Parkside neighborhood, owned by Lai Sam S Y & Eliza L S, was built in 1925 and contains 6 units plus ground-floor commercial space. The property has undergone several improvements to enhance accessibility, including multiple barrier removal projects between 2019 and 2011 to install accessible cashier counters and related features, with costs ranging from $9,000 to $15,000. Significant plumbing work was completed in 2021 with the replacement of waste pipes, following a complaint about unpermitted underground piping installation in February 2021, which resulted in a penalty.

Earlier plumbing maintenance included repairs to a grease trap and sink in 2012. The building experienced a routine housing inspection in 2001 that identified the need for a smoke detector installation at the top of stairs, an issue that was promptly resolved. The commercial portion of the property has a history of various permitted and proposed changes, including an attempted conversion to a cake shop in 1998, establishment as a small self-service restaurant in 2011, and multiple planning records related to the conversion and expansion of retail uses along Taraval Street.

The building's maintenance record shows attention to storefront repairs in 1996 following impact damage, installation of a canvas awning in 1986, and regular updates to plumbing systems. Recent documented issues near the property (2024-2025) primarily relate to street cleanliness and maintenance, including reports of garbage and debris, though these concerns are not directly related to the building's condition or management. A fire inspection in 2013 noted a general hazardous materials complaint that was determined to have no merit, and there was one undetermined fire incident recorded, though no civilian injuries were reported.

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 Parkside.

Building Characteristics

Total units 6
Year built 1925
Total area 5152 sq ft
Floors 2
Tax Abatements None
Building Class FS5 - Flat & Store 5 to 14 units
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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.
172
311 Calls
Number of 311 calls for this building.
0
Fire Injuries
Number of fire injuries reported by SFFD.
2
Building Permits
Number of building permits issued by DBI.

Included Addresses

  • 1050 Taraval St, San Francisco CA 94116
  • 2390 21st Ave, San Francisco CA 94116
  • 1054 Taraval St, San Francisco CA 94116

Map and Aerial View of 2390 21st Ave

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2390 21st Ave Landlord Information

Ownership Data

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

NameAddress
Lai Sam S Y & Eliza L S1693 26th Ave San Francisco CA 94122

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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2390 21st 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 2390 21st Ave

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 2390 21st Ave, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-07-03 17:29:22+00:00 Graffiti Public PW - Street and Environmental Servicesnot_offensivesidewalk_in_front_of_property Open
2025-07-03 17:28:59+00:00 Graffiti Public US Postal Service Maintenancenot_offensivemail_box Closed
2025-06-17 15:12:31+00:00 Graffiti Public PW - Street and Environmental Servicesnot_offensiveother Closed
2025-06-06 12:08:52+00:00 Damage Property MTA - Parking Meter Shopparking_meterNone Closed
2025-06-04 11:21:56+00:00 Damage Property MTA - Parking Meter Shopparking_meterNone Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2021-02-08 00:00:00+00:002021-02-18 00:00:00+00:00Plumbing Inspection DivisionPlumbing work without permit. Not Active View on DBI
2001-08-27 00:00:00+00:002001-09-28 00:00:00+00:00Housing Inspection ServicesRoutine inspection Not Active View on DBI
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
2021-02-08T00:00:00.000Z No description entered Nonenot active
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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 2390 21st 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 2390 21st 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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