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Building and Landlord Data Analysis Report

1640-1642 Leavenworth St, San Francisco, CA 94109

1
Complaints
1
Fire Incidents
3
311 Calls
0
Permits

Risk Assessment

67
Low Risk

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

Our AI predicts there is a 67% chance of no major maintenance issues.
Augrented Insights Report

The two-unit residential building at 1640-1642 Leavenworth Street, located in San Francisco's Nob Hill neighborhood, is a two-story flats and duplex structure built in 1909 and currently owned by Liang Lifang. The property has undergone several significant improvements over the years, with the most substantial renovations occurring between 1999-2001, including comprehensive bathroom remodels, window replacements, and plumbing upgrades totaling approximately $25,000.

Subsequent improvements include garage remodels in 2005 ($3,000) and 2011 ($2,000), with the most recent garage door replacement featuring wood materials. The building's recent history includes a complaint in February 2018 regarding allegedly illegal construction, though this case is currently listed as not active.

The property has experienced several infrastructure-related incidents in the surrounding area, including multiple hazardous materials incidents involving glass in 2020 and 2021, and several parking-related complaints in 2018 involving construction equipment blocking sidewalk access and an illegal parking situation that resulted in a $2,000 violation. While these external incidents occurred in the vicinity of the property, they primarily involved street and sidewalk issues rather than direct building concerns. The building's permit history suggests regular maintenance and upgrades, with no records of major violations or safety concerns directly related to the structure 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 Nob Hill.

Building Characteristics

Total units 2
Year built 1909
Total area 2340 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.
1
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.
3
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

  • 1642 Leavenworth St, San Francisco CA 94109
  • 1640 Leavenworth St, San Francisco CA 94109

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1640-1642 Leavenworth St Landlord Information

Ownership Data

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

NameAddress
Liang Lifang1640 Leavenworth St San Francisco CA 94109

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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1640-1642 Leavenworth 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 1640-1642 Leavenworth St

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 1640-1642 Leavenworth St, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2021-02-28 13:50:00+00:00 Street and Sidewalk Cleaning DPW Ops QueueHazardous MaterialsGlass Closed
2020-02-14 12:18:00+00:00 Street and Sidewalk Cleaning DPW Ops QueueHazardous MaterialsGlass Closed
2018-10-23 00:01:00+00:00 Parking Enforcement Parking Enforcement Dispatch QueueOther_Illegal_ParkingParking Enforcement Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2018-02-15 00:00:00+00:00NoneBuilding Inspection Division--- caller reporting illegal construction at the location. (311 sr no. 8616902) 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 1640-1642 Leavenworth 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 1640-1642 Leavenworth St Compares

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Compare with buildings in Nob Hill:
Showing buildings that are: within 0.5 miles , of similar age (±15 years), of similar size (±50% units)

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