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Building and Landlord Data Analysis Report

631-637 Haight St, San Francisco, CA 94117

8
Complaints
0
Fire Incidents
45
311 Calls
1
Permits

Risk Assessment

15
High Risk

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

Our AI predicts there is a 15% chance of no major maintenance issues.
Augrented Insights Report

The property at 631-637 Haight Street is a three-story, multi-family residential building constructed in 1885, containing 8 units plus commercial space. The building has a significant history of permit modifications and compliance issues, most notably an active building violation (since 2015) regarding unauthorized unit conversions, including multiple safety and code compliance concerns such as unapproved wiring, plumbing, and lack of required smoke and carbon monoxide detectors. Recent building permits from 2021 indicate attempts to address some of these compliance issues through legalization of previously altered commercial spaces.

The property suffered a substantial fire in 2013 that required extensive repairs ($68,185) to unit #637, including electrical and plumbing work, with additional improvements to rear decking in 2014. The building has experienced ongoing maintenance and compliance challenges over recent years, including multiple citations for fire safety violations, most recently in December 2023 regarding sleeping area requirements. There have been persistent issues with the ground floor commercial space, which has faced multiple complaints about unauthorized residential use since 2016, maintaining the same pattern of operations under different business names.

This commercial space's status has generated several housing inspection cases and community complaints about unauthorized changes of use. Recent plumbing and electrical permits from August 2024 suggest ongoing work related to previous violations. The property has also been subject to various building complaints concerning safety hazards, including loose mechanical equipment in 2020 and multiple vacant storefront issues, with active violations related to fire safety, building permits, and storage management as of 2018. While some historical permits show legitimate repairs and modifications, the persistent nature of the compliance issues suggests ongoing challenges with maintaining proper occupancy and building code adherence.

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.

631-637 Haight St Report Contents

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Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Hayes Valley.

Building Characteristics

Total units 8
Year built 1885
Total area 4750 sq ft
Floors 3
Tax Abatements None
Building Class A5 - Apartment 5 to 14 Units
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Key Building Statistics

8
Building Complaints
Number of complaints filed with the Department of Building Inspection in the last 7 years.
9
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.
3
DBI Director Hearings
Number of Director's Hearings held by DBI in the last 7 years.
45
311 Calls
Number of 311 calls for this building.
0
Fire Injuries
Number of fire injuries reported by SFFD.
1
Building Permits
Number of building permits issued by DBI.

Included Addresses

  • 633 Haight St, San Francisco CA 94117
  • 631 Haight St, San Francisco CA 94117
  • 635 Haight St, San Francisco CA 94117
  • 637 Haight St, San Francisco CA 94117

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631-637 Haight St Landlord Information

Ownership Data

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

NameAddress
Tam Thomas WThomas Tam 150 Naples St San Francisco CA 94112

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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631-637 Haight 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 631-637 Haight St

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 631-637 Haight St, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-07-27 16:41:19+00:00 Graffiti Private PW - Street and Environmental Servicesnot_offensivebuilding_commercial Open
2025-07-12 08:01:46+00:00 Autonomous Vehicle Complaints MTA - Autonomous Vehicles Complaintsincident_reportstopped_improperly waymo Closed
2025-07-03 13:04:30+00:00 Street and Sidewalk Cleaning Recology - Abandonedgarbage_and_debrismattress Closed
2025-05-31 21:22:50+00:00 Graffiti Public PW - Street and Environmental Servicesnot_offensivepole Closed
2025-05-01 16:31:36+00:00 Tree Maintenance PW - Street and Environmental Serviceslandscapingbackfill_tree_basin Open
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2023-02-01 00:00:00+00:002023-04-19 00:00:00+00:00Code Enforcement SectionVacant commercial storefront Not Active View on DBI
2023-01-06 00:00:00+00:00NoneCode Enforcement SectionDate last observed: 05-jan-23; exact location: main bldg; building type: commercial/business vacant structure; ; additional information: vacant office on ground floor; Not Active View on DBI
2023-01-06 00:00:00+00:00NoneCode Enforcement SectionDate last observed: 05-jan-23; exact location: main bldg; building type: commercial/business vacant structure; ; additional information: empty store; Not Active View on DBI
2020-08-26 00:00:00+00:00NoneBuilding Inspection DivisionDate last observed: 25-aug-20; time last observed: 8:00 a.m. ; identity of person performing the work: seems to be non-licesned contr; floor: 1; unit: haight st.; exact location: main bldg; building type: commercial/business work w/o permit; illegal change of use; kitchen/bathroom remodel w/o permit; ; additional information: current commercial tarot card reader. building out a kitchen and multiple rooms (w/o permits) looks to be for living quarters ; Not Active View on DBI
2020-08-18 00:00:00+00:00NoneBuilding Inspection DivisionDate last observed: 17-aug-20; time last observed: 8:00 a.m. ; identity of person performing the work: no posting of contractor info,; floor: 1; unit: 631 haight; exact location: main bldg; building type: commercial/business work w/o permit; illegal change of use; ; additional information: current commercial tarot card reader (sign says concept 47 @ top); Active View on DBI
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
2023-02-01T00:00:00.000Z No description entered Nonenot active
2019-12-04T00:00:00.000Z No description entered Nonenot active
2018-07-25T00:00:00.000Z provide permits (301 sfhc) at the rear stairway, some of the wood membranes and guardrails were replaced. provide permits to housing inspector at time of re-inspection. building sectionactive
2018-07-25T00:00:00.000Z inspector comments 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 the inspector access to interior common areas, storage rooms, boiler room, garages, exit paths, basement and rear of building and to all areas cited within this notice. it is the responsibility of the property owner to provide 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 reinspection(s). building sectionactive
2018-07-25T00:00:00.000Z bid, eid & pid permits (301 hc) repairs cited in this notice require a building, plumbing and /or electrical permit. it is the responsibility of the owner to obtain (or have others obtain) any required permits before beginning work that requires permit(s). this case cannot be abated until the housing inspector makes a final inspection to verify that all violations have been corrected and all required permits have been obtained and finalized. on reinspection day, present to the housing inspector the job card, plans and permits indicating that all work under building, plumbing and electrical permits is complete. prior to reinspection by housing inspector, call building, plumbing and electrical inspectors for required inspections. building sectionactive
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Fire Violations

Fire code violations recorded by the San Francisco Fire Department.

Violation DateDisposition DateAddressViolation DescriptionStatus
2023-12-15T00:00:00.000Z645 Haight Stsleeping area requirements open
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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 631-637 Haight 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 631-637 Haight St Compares

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