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Building and Landlord Data Analysis Report

1439-1441 South Van Ness Ave, San Francisco, CA 94110

3
Complaints
0
Fire Incidents
54
311 Calls
3
Permits

Risk Assessment

24
High Risk

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

Our AI predicts there is a 24% chance of no major maintenance issues.
Augrented Insights Report

The 1439-1441 South Van Ness Avenue property is a two-story multi-family residential building constructed in 1925, currently owned by Mark Ge Zhang. The building's history reveals significant ongoing issues related to unauthorized dwelling units, with an active complaint from January 2016 regarding an illegally converted ground floor unit with multiple safety violations including inadequate fire protection, unapproved electrical work, and plumbing installations. Multiple permit applications in 2016 to legalize the additional unit were withdrawn, though subsequent violations in 2018 prompted repairs to the building's siding, weatherproofing, and safety systems, which were completed by November 2018.

The property has also experienced maintenance challenges, including dry rot repairs in 2003 at both the front balcony and rear stairs, as well as more recent exterior maintenance issues. In addition to structural concerns, the building has faced several housing code violations, all of which were abated by November 2018, related to weatherproofing, smoke alarm systems, and unauthorized modifications. A 2018 complaint noted concerns about lead paint, chipping wood, and rotten materials, which were addressed by November 2018.

The property has undergone several failed attempts at unit legalization, with multiple planning records showing applications being withdrawn or cancelled, though one application remains under review. Recent activity at the property has primarily involved external maintenance issues, including multiple parking enforcement requests and a reported damaged tree in early 2024. While most recent violations and complaints have been resolved, the building's history demonstrates a pattern of unauthorized modifications and subsequent compliance efforts over the past several years.

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 Inner Mission.

Building Characteristics

Total units 2
Year built 1925
Total area 2650 sq ft
Floors 2
Tax Abatements None
Building Class F - Flats & Duplex
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Key Building Statistics

3
Building Complaints
Number of complaints filed with the Department of Building Inspection in the last 7 years.
12
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.
54
311 Calls
Number of 311 calls for this building.
0
Fire Injuries
Number of fire injuries reported by SFFD.
3
Building Permits
Number of building permits issued by DBI.

Included Addresses

  • 1439 South Van Ness Ave, San Francisco CA 94110
  • 1441 South Van Ness Ave, San Francisco CA 94110

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1439-1441 South Van Ness Ave Landlord Information

Ownership Data

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

NameAddress
Zhang Mark Ge1875 25th 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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1439-1441 South Van Ness 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 1439-1441 South Van Ness Ave

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 1439-1441 South Van Ness Ave, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-06-28 20:49:24+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchblocking_driveway_cite_towNone Closed
2025-06-28 08:11:39+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchblocking_driveway_cite_towNone Closed
2025-06-20 20:02:21+00:00 Street and Sidewalk Cleaning Recology - Abandonedgarbage_and_debriselectronics Closed
2025-03-03 17:20:18+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchparking_on_sidewalkNone Closed
2024-12-24 15:04:36+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchparking_on_sidewalkNone Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2018-07-19 00:00:00+00:00NoneHousing Inspection ServicesExterior panel baord is falling off from the back of the wall Not Active View on DBI
2018-07-11 00:00:00+00:002018-11-27 00:00:00+00:00Housing Inspection ServicesChildren involved. lead paint chipping. wood is rotten Not Active View on DBI
2016-01-26 00:00:00+00:00NoneHousing Inspection ServicesPossible illegal unit located in basement. Active View on DBI
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
2018-07-11T00:00:00.000Z this notice includes violations for the areas noted. this notice of violation pertains to the common areas. building sectionnot active
2018-07-11T00:00:00.000Z inspector comments **************************************************** at reinspection the inspector will continue routine inspection. please provide inspector with access to all common areas, which include access to hvac system, water heaters, roof access (if safely and easily accessible), all storage areas, and gas meters. **************************************************** other sectionnot active
2018-07-11T00:00:00.000Z inspector comments nuisance (401(2) (1001(d) hc) it is the property owner's responsibility to be present or direct his/her representative to attend the reinspection as scheduled on this notice of violation for the purpose of providing entry to the inspector of those areas not accessed during the initial inspection as specified, and/or to provide access to all areas cited within this notice. if the property owner cannot attend the scheduled reinspection (as specified on this notice) it is his/her responsibility to secure a different inspection time/date with the inspector, and provide all tenants with notification as required by california civil code section 1954 (san francisco housing code section 303(b)), if any dwellings, apartment units or guest rooms are to be accessed during the reinspection. other sectionnot active
2018-07-11T00:00:00.000Z repair weather proofing on siding (1001(h),703 hc) siding deteriorated on back exterior of building. repair siding in an approved manner. building permit required. you are required to obtain a building permit to correct this violation. submit a copy of this "notice of violation" with your application and reference the complaint number on your building permit application. call the building inspector for periodic and or final inspection(s). when all work is complete, the building inspector(note different from housing inspector) must perform the final inspection and sign the job card, before the housing inspector can abate this violation. please present the signed job card indicating that work is complete to the housing inspector on the reinspection day. building sectionnot active
2018-07-11T00:00:00.000Z repair weather proofing on siding (1001(h),703 hc) there was peeling paint noted throughout exterior of building. remove damaged paint and apply new weather proofing as required. remove or cover damaged paint in an approved manner to prevent a lead hazard. (1301 hc) remove and properly dispose severely peeling and flaking paint. following proper removal and abatement apply a new coat of weather proofing - re-paint. note: it is the owner's responsibility to investigate for possible presence of lead based paint and remove, following procedures set forth by the san francisco health and building departments. consult with a qualified lead abatement contractor as required. disturbing lead based paint can be extremely dangerous to dwelling occupants and visitors, particularly to young children, pregnant women, pets, and to people performing work on the premises. for interior or exterior paint removal always wet the surface, contain, and properly dispose of lead paint debris. if you are unsure whether the paint is leaded, you should test it prior to performing any work. if the paint is found to contain lead, you should consult with an expert about appropriate procedures. proper containment and 3-day notification is required for exterior jobs of more than 10 sq.ft. (sec.3604, sfbc) you can contact the san francisco childhood lead poisoning prevention program at: (415) 554-8930 for free advice. if you cause lead dust to be created, you could be liable for any illness caused by the dust. ordinance #446-97. building sectionnot 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 1439-1441 South Van Ness 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
1439 SOUTH VAN NESS AVE 94110Conditional Use Authorization to permit he removal of an unauthorized dwelling unit at the ground floor of an existing 2-unit dwelling.Chan, William
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Tenant Buyouts

Tenant buyout records for the property.

BlocklotAddressAgreement DateAmountTenants
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How 1439-1441 South Van Ness Ave Compares

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