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Building and Landlord Data Analysis Report

518 41st Ave, San Francisco, CA 94121

0
Complaints
0
Fire Incidents
33
311 Calls
0
Permits

Risk Assessment

50
Moderate Risk

This building shows some maintenance concerns that warrant attention.

Our AI predicts there is a 50% chance of no major maintenance issues.
Augrented Insights Report

The Chong Family Trust's property at 518 41st Avenue is a two-unit, two-story multi-family residential building constructed in 1926 in San Francisco's Outer Richmond neighborhood. The building has undergone several significant improvements over recent years, including a major renovation in 2024 involving front facade dry rot repairs, stucco and siding replacement, and window upgrades totaling $24,000. In 2022, the heating system was upgraded with the installation of two new forced air furnaces with 80% efficiency.

Prior improvements included rear elevation siding replacement (2017) and deck replacements (2017), showing ongoing maintenance commitment. The building's history includes some notable maintenance challenges, particularly in the 2000s. There were multiple building violations and complaints related to interior surfaces, including water damage, lead paint hazards, and peeling paint in 2005-2008, though these issues were all addressed and abated.

A heating complaint from 2009 regarding lack of heat for five days was resolved promptly. The property has experienced some parking-related issues in recent years, with multiple reports of abandoned vehicles and illegal parking, particularly in 2022-2024, though these are external neighborhood issues rather than building-specific concerns. A fire complaint was filed in 2019, resulting in a violation related to change of use, which has since been abated. The building's records also show routine maintenance activities, including termite work in 1984 and bathroom remodeling in 1987, demonstrating long-term care of the property.

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 Outer Richmond.

Building Characteristics

Total units 2
Year built 1926
Total area 3560 sq ft
Floors 2
Tax Abatements None
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.
33
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.

Map and Aerial View of 518 41st Ave

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Reviews of 518 41st Ave

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518 41st Ave Landlord Information

Ownership Data

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

NameAddress
Chong Family TrustGary W & Sophia T Chong Tru 518 41St 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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518 41st 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 518 41st Ave

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 518 41st Ave, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-07-21 17:45:45+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchdouble_parkingNone Closed
2025-03-04 08:20:11+00:00 General Request PUC - Billingpublic_utilities_commissionbilling complaint Closed
2025-02-06 01:34:24+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrisglass Closed
2025-02-05 07:17:32+00:00 General Request PUC - Billingpublic_utilities_commissionbilling customer_callback Closed
2024-02-11 07:48:00+00:00 Abandoned Vehicle DPT Abandoned Vehicles Work QueueAbandoned VehiclesAbandoned Vehicle Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2009-02-26 00:00:00+00:002009-02-27 00:00:00+00:00Housing Inspection ServicesNo heat for five days. Not Active View on DBI
2008-02-29 00:00:00+00:002008-06-11 00:00:00+00:00Housing Inspection ServicesWhen it rains, water comes in under the kitchen window frame. in the bedroom the paint on the walls was wet causing it to bubble. Not Active View on DBI
2005-06-21 00:00:00+00:002005-08-03 00:00:00+00:00Housing Inspection ServicesPeeling paint, mold 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
2019-03-05T00:00:00.000Z530 41st Avechange of use abated
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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 518 41st 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 518 41st Ave Compares

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