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Building and Landlord Data Analysis Report

1640 Chestnut St, San Francisco, CA 94123

0
Complaints
0
Fire Incidents
4
311 Calls
0
Permits

Risk Assessment

70
Low Risk

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

Our AI predicts there is a 70% chance of no major maintenance issues.
Augrented Insights Report

The two-unit residential building at 1640 Chestnut St in San Francisco's Marina neighborhood is a two-story flats and duplex structure built in 1920, currently owned by the Tam Family Trust.

The property's maintenance record shows several significant developments, with the most recent substantial improvement being a completed electrical service upgrade to 200 amps in September 2022. The building has undergone some routine city inspections and service requests over the years, including a general building inspection in September 2021 that was accepted, and a report of peeling paint in May 2012, which was resolved with an invalid address designation.

The property has experienced some minor issues unrelated to structural integrity or resident safety, such as two instances of illegal postings (in November 2014 and March 2021) and a driveway parking complaint in June 2022, though these were not related to direct health or safety concerns. A street space permit was also issued in July 2006, though its specific purpose and cost were not indicated in the records.

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.

1640 Chestnut St Report Contents

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Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Marina.

Building Characteristics

Total units 2
Year built 1920
Total area 2200 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.
4
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 1640 Chestnut St

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1640 Chestnut St Landlord Information

Ownership Data

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

NameAddress
Tam Family TrTam Ken K & Judy S Trustees 5828 Laguna Valley Way Elk Grove CA 95758

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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1640 Chestnut 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 1640 Chestnut St

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 1640 Chestnut St, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-05-02 10:30:37+00:00 Graffiti Public 311 - Supervisornot_offensiveother Closed
2022-06-22 23:17:52+00:00 Parking Enforcement Parking Enforcement Review QueueBlocking_Driveway_Cite_TowSilver - Toyota Prius - 7NMH274 Closed
2021-09-06 10:05:00+00:00 General Request - BUILDING INSPECTION DBI Housing Inspection Queuerequest_for_servicebuilding_inspection - request_for_service Closed
2021-03-24 13:30:00+00:00 Illegal Postings DPW Ops QueueIllegal Postings - Affixed_ImproperlyAffixed Improperly 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 1640 Chestnut 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 1640 Chestnut St Compares

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