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Building and Landlord Data Analysis Report

634-644 Polk St, San Francisco, CA 94102

11
Complaints
3
Fire Incidents
463
311 Calls
2
Permits

Risk Assessment

12
High Risk

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

Our AI predicts there is a 12% chance of no major maintenance issues.
Augrented Insights Report

The six-story apartment building at 634-644 Polk Street, owned by Casa Cw Llc, was constructed in 1928 and contains 32 units. The building has undergone several significant renovations and faced multiple safety compliance issues in recent years.

Most notably, in 2024, there were multiple fire safety violations related to standpipe systems and sleeping area requirements, with some violations still listed as open. Recent work includes a 2024 fire alarm system upgrade costing over $69,000, along with various retail space modifications and sign legalizations. In late 2023, Unit 503 experienced multiple maintenance issues including plumbing problems, electrical concerns, and pest infestations, though these were marked as resolved by April 2024.

The building has a history of fire safety incidents, primarily involving false alarms and occasional cooking-related events, though no civilian injuries have been reported. Between 2023 and 2025, there have been multiple 311 calls regarding garbage and debris management in the vicinity of the property. The building's maintenance history includes window replacements, bathroom and kitchen renovations in 2019, and electrical system upgrades, though there have been complaints about unpermitted work in 2024 that resulted in some ongoing compliance issues.

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.

634-644 Polk St Report Contents

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Building Overview

Renter Risk Rating

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

Building Characteristics

Total units 24
Year built 1928
Total area 20760 sq ft
Floors 6
Tax Abatements None
Building Class A15 - Apartment 15 Units or more
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Key Building Statistics

11
Building Complaints
Number of complaints filed with the Department of Building Inspection in the last 7 years.
8
Code Violations
Building code violations issued by DBI in the last 7 years.
3
Fire Incidents
Total number of fire incidents reported at this building.
2
DBI Director Hearings
Number of Director's Hearings held by DBI in the last 7 years.
463
311 Calls
Number of 311 calls for this building.
0
Fire Injuries
Number of fire injuries reported by SFFD.
2
Building Permits
Number of building permits issued by DBI.

Included Addresses

  • 644 Polk St, San Francisco CA 94102
  • 640 Polk St, San Francisco CA 94102
  • 634 Polk St, San Francisco CA 94102

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634-644 Polk St Landlord Information

Ownership Data

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

NameAddress
Casa Cw Llc55 Raycliff Ter San Francisco CA 94115

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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634-644 Polk 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 634-644 Polk St

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 634-644 Polk St, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-07-30 18:10:37+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchblocking_bicycle_laneNone Closed
2025-07-30 18:06:21+00:00 Noise Noise Reportother_reallocateNone Closed
2025-07-25 14:55:47+00:00 Tree Maintenance PW - Urban Forestrylandscapingempty_tree_basin Open
2025-07-25 14:54:47+00:00 Tree Maintenance PW - Urban Forestrylandscapingempty_tree_basin Open
2025-07-25 14:54:47+00:00 Tree Maintenance PW - Urban Forestrylandscapingempty_tree_basin Open
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2025-02-24 00:00:00+00:00NoneHousing Inspection ServicesGeneral maintenance, affidavits due. Active View on DBI
2024-08-15 00:00:00+00:002024-08-29 00:00:00+00:00Building Inspection DivisionWork without permit Not Active View on DBI
2024-08-15 00:00:00+00:002024-12-17 00:00:00+00:00Building Inspection DivisionWork without permit Not Active View on DBI
2023-10-19 00:00:00+00:002024-04-03 00:00:00+00:00Housing Inspection ServicesDate last observed: 31-aug-23; floor: 5; unit: 503; exact location: main bldg; building type: residence/dwelling plumbing inoperative; insects/rodents; other electrical; other housing; ; additional information: 1) the kitchen countertop is cracking/breaking 2) electrical issue with ceiling fan turning on and off by itself without flipping the switch (possible structural wiring issue). 3) kitchen window is broken 4) refrigerator door does not close and seal properly letting the chilled air out and spoiling groceries 5) cockroaches have been seen in the unit 6) bathroom toilet does not have enough water pressure to flush and started happening after the management started doing work in the building; Not Active View on DBI
2022-07-06 00:00:00+00:002022-11-18 00:00:00+00:00Code Enforcement SectionVacant commercial storefront - continuation from #202055226 Not Active View on DBI
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
2025-02-24T00:00:00.000Z inspector comments it is the property owners responsibility to be present or direct his/her representative to attend the re-inspection 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 re-inspection (as specified on this notice) it is his/her responsibility to secure a different inspection date and time 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 re-inspection. important note: due to the violations noted, this property is defined as a nuisance per sec. 1001-d of the sfhc. please review the attached "notice of violation warnings" for information regarding failure to comply with this notice. other sectionactive
2025-02-24T00:00:00.000Z submit smoke/carbon affidavit (420.4, 907.2.11 & 3401.6.1 sfbc) a smoke/carbon monoxide alarm affidavit is due for this property. install the required alarms and submit the completed affidavit to the housing inspector at stephen.mungovan@sfgov.org or to the housing inspection division of the department of building inspection. a smoke/carbon compliance affidavit has been included in this mailing. building sectionactive
2025-02-24T00:00:00.000Z repair damaged walls & ceilings (1001b,h hc) repair the water damaged wall and ceiling surfaces at the secondary stairway. interior surfaces sectionactive
2025-02-24T00:00:00.000Z repair floor covering (1001b,j hc) replace the damaged or missing vinyl floor tiles in the lobby. interior surfaces sectionactive
2025-02-24T00:00:00.000Z submit section 604 affidavit (604 hc) a section 604 affidavit is due for this property. have an appropriately licensed professional inspect those exterior building components exposed to the elements to insure they are structurally sound. submit the completed affidavit to the housing inspector at stephen.mungovan@sfgov.org or to the housing inspection division of the department of building inspection. a section 604 affidavit has been included in this mailing. building sectionactive
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Fire Violations

Fire code violations recorded by the San Francisco Fire Department.

Violation DateDisposition DateAddressViolation DescriptionStatus
2024-09-12T00:00:00.000Z600 - 614 Polk Ststandpipes / missing caps referred to hearing
2024-07-07T00:00:00.000Z622 - 632 Polk Ststandpipes / missing caps referred to hearing
2024-07-03T00:00:00.000Z634 - 644 Polk Ststandpipes / missing caps abated
2024-07-03T00:00:00.000Z634 - 644 Polk Stsleeping area requirements open
2024-01-16T00:00:00.000Z600 - 614 Polk Stsprinkler / 5-year service referred to hearing
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Fire Incidents

Historical fire incident records for the property.

Incident DatePrimary SituationIgnition CauseCivilian Injuries
2025-05-01 00:00:00+00:00323 Motor vehicle/pedestrian accident (MV Ped)None0
2025-04-28 00:00:00+00:00554 Assist invalidNone0
2025-04-16 00:00:00+00:00712 Direct tie to FD, malicious false alarmNone0
2025-04-03 00:00:00+00:00745 Alarm system activation, no fire - unintentionalNone0
2025-01-04 00:00:00+00:00743 Smoke detector activation, no fire - unintentionalNone0
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Building Permits

Permit records for 634-644 Polk 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 634-644 Polk St Compares

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