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Building and Landlord Data Analysis Report

175 21st Ave, San Francisco, CA 94121

1
Complaints
0
Fire Incidents
6
311 Calls
8
Permits

Risk Assessment

49
Moderate Risk

This building shows some maintenance concerns that warrant attention.

Our AI predicts there is a 49% chance of no major maintenance issues.
Augrented Insights Report

The 18-unit, three-story apartment building at 175 21st Avenue, built in 1965, has undergone significant recent maintenance and improvements, though some pressing concerns remain. Most notably, in November 2024, work commenced on shoring compromised balconies affecting multiple units (101, 103, 104, 105, 203, 204), suggesting ongoing structural concerns. The building has seen substantial unit upgrades over recent years, including washer/dryer installations in several units (102, 202, 203, 205) as part of modernization efforts.

Other improvements include a complete reroofing in 2022 ($75,000), a significant fire alarm system upgrade in 2021 to comply with fire codes, and various unit renovations including kitchen and bathroom rehabilitations. The property has experienced recurring sewer issues, with multiple 311 calls between 2014 and 2024 reporting sewage backup problems, and more recently in December 2024 involving human waste/urine and a sewer backup discharge. Three fire alarm system complaints were recorded between 2008 and 2017, all of which were resolved, and the building is classified as Tier 2 soft-story with completion of necessary work and issuance of a Certificate of Final Completion.

The most recent major structural work, focusing on balcony safety, began in late 2024, while earlier improvements have included electrical system upgrades, plumbing work, and various interior unit modifications. A notable disturbance was reported in 2015 regarding excessive construction noise affecting neighboring residents, though this complaint is no longer active. A routine inspection in 2010 resulted in several violations related to fire proofing and gas shutoff tools, but these were abated by September 2010.

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.

175 21st Ave Report Contents

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Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Lake Street.

Building Characteristics

Total units 18
Year built 1965
Total area 18804 sq ft
Floors 3
Tax Abatements None
Building Class A15 - Apartment 15 Units or more
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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.
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.
6
311 Calls
Number of 311 calls for this building.
0
Fire Injuries
Number of fire injuries reported by SFFD.
8
Building Permits
Number of building permits issued by DBI.

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175 21st Ave Landlord Information

Ownership Data

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

NameAddress
175 21st G1 Lp268 Bush St #1688 San Francisco CA 94104

Landlord Portfolio

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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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175 21st 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 175 21st Ave

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 175 21st Ave, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-05-18 15:18:52+00:00 Parking Enforcement MTA - Abandoned Vehicles Workabandoned_vehicleNone Closed
2024-12-08 11:27:23+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrishuman_waste_or_urine Closed
2024-12-07 13:43:01+00:00 Sewer PUC - Sewer Opssewage_back-up_dischargefrom_side_sewer_vent Closed
2024-05-15 21:27:00+00:00 Parking Enforcement Parking Enforcement Dispatch QueueParking_on_SidewalkWhite - Tesla - Ca Closed
2020-02-19 17:09:00+00:00 Abandoned Vehicle DPT Abandoned Vehicles Work QueueAbandoned Vehicle - Othercream - Tioga - - 4RID455 Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2025-06-20 00:00:00+00:002025-06-27 00:00:00+00:00Building Inspection DivisionBuilding have tarps in front and back. the tarps not secure making loud noise day and night they are ripping and falling apart and leaving debris in customer's yard.construction tarp not secured and making loud banging noise. (additional 311 sr 101002124932) Not Active View on DBI
2024-11-13 00:00:00+00:00NoneHousing Inspection ServicesSb-721 letter generated routine Active View on DBI
2017-08-17 00:00:00+00:00NoneHousing Inspection ServicesLoose balcony railing. Not Active View on DBI
2015-06-04 00:00:00+00:00NoneBuilding Inspection Division--- there is excessive noise, jackhammering in excess of 100 decibels, in an otherwise quiet residential neighborhood, now coming everyday, all day, from 175 21st avenue. this noise is extremely disruptive to many neighboring families and residents. some residents conduct business from their homes, and this extreme noise is disruptive and destructive to their businesses. these noise disruptions are out of place with the residential character of the neighborhood. this isn't fair and destructive to the quality of life for hundreds of neighboring residents. Not Active View on DBI
2014-09-15 00:00:00+00:00NoneHousing Inspection ServicesRoutine inspection Not Active View on DBI
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
2024-11-13T00:00:00.000Z provide sec. 604 compliance affidavit (sfhc 604 ) (after deck repairs are completed and building permit signed off) complete the sec. 604 affidavit provided for certification of structural maintenance. provide to inspector at the time of reinspection, or email the form to liam.mccarthy@sfgov.org building sectionactive
2024-11-13T00:00:00.000Z this notice includes violations for the areas noted. this department performed a sb-721 related routine safety inspection of public and common areas. chapters 1, 2, & 3 of the san francisco housing code require that the department of building inspection perform periodic health & safety inspections of residential property. this routine inspection was conducted to assure that all requirements have been met per attached routine inspection checklist. building sectionactive
2024-11-13T00:00:00.000Z inspector's 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 entry to the inspector of those 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 date and time with the inspector. your cooperation is appreciated. building sectionactive
2024-11-13T00:00:00.000Z repair decks (704,1001(b)(13)hc) note: building permit needed, make sure that all permits have been signed off prior to contacting housing inspector for final inspection (1001 hc) multiple exterior decks/balconies at both front and rear of building have exploratory cutouts which revealed deteriorated framing members. temporary shoring has been installed. permit application #202411014255 has been issued for temporary shoring/exploratory demo at multiple balconies. obtain engineer's recommendations to repair decks, and file/obtain building permit to repair decks/balconies and complete all work. building sectionactive
2024-11-13T00:00:00.000Z service fire alarm system (908, 909 hc) at time of inspection, trouble light was illuminated at fire alarm panel. the fire alarm system/panel must be tested and certified annually by a qualified professional vendor / electrical contractor. current certification must be visible and posted on the panel. building sectionactive
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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 175 21st 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
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Tenant Buyouts

Tenant buyout records for the property.

BlocklotAddressAgreement DateAmountTenants
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How 175 21st Ave Compares

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