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Building and Landlord Data Analysis Report

43-47 Guerrero St, San Francisco, CA 94103

1
Complaints
0
Fire Incidents
20
311 Calls
1
Permits

Risk Assessment

32
High Risk

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

Our AI predicts there is a 32% chance of no major maintenance issues.
Augrented Insights Report

The 43-47 Guerrero Street property, consisting of three residential units and constructed in 1908, has undergone several significant improvements and faced multiple challenges in recent years. Most notably, there is currently an active complaint filed in August 2023 regarding rodent infestation and concerns about non-responsive management, with additional complaints about unauthorized smoking in common areas. The building had substantial safety upgrades in 2016, including the installation of a comprehensive fire sprinkler system ($47,000) with 93 heads, and a sprinkler monitoring system, demonstrating a commitment to improving fire safety.

In 2019, the property received a new roof ($13,264), indicating ongoing maintenance efforts. The building underwent significant interior improvements in 2015, including bathroom and kitchen remodels, washer/dryer installations, and electrical upgrades, along with the installation of new HVAC flues. Recent inspection records and complaints suggest ongoing management and maintenance challenges, including a concerning pattern of delayed hot water service and pest control issues.

There was also a complaint in 2015 regarding unsafe construction practices and failure to comply with the Vacant or Abandoned Building Ordinance, though these issues appear to have been resolved. The property has generated various 311 service calls in recent years, primarily related to street cleaning and maintenance issues outside the building. There are two recent complaints from September 2023 suggesting potential violations of occupancy regulations, though the status of these complaints is currently marked as "Not Active." While the building has seen significant safety improvements in recent years, the frequency of recent complaints regarding basic services and maintenance raises questions about current property management practices.

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 Mission Dolores.

Building Characteristics

Total units 3
Year built 1908
Total area 6190 sq ft
Floors 4
Tax Abatements None
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.
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.
20
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

  • 43 Guerrero St, San Francisco CA 94103
  • 47 Guerrero St, San Francisco CA 94103
  • 45 Guerrero St, San Francisco CA 94103

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43-47 Guerrero St Landlord Information

Ownership Data

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

NameAddress
John E Wai 1981 Lvg TrJohn E Wai, Ttee Po Box 641045 San Francisco CA 94164

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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43-47 Guerrero 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 43-47 Guerrero St

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 43-47 Guerrero St, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-07-14 06:53:46+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrishuman_waste_or_urine Closed
2025-06-11 12:35:48+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrisother_loose_garbage_debris_yard_waste Closed
2022-12-05 11:29:00+00:00 Graffiti DPW Ops QueueGraffiti on Sidewalk_in_front_of_propertySidewalk_in_front_of_property - Not_Offensive Closed
2020-12-02 12:31:00+00:00 General Request - PUBLIC WORKS Recology_Abandonedrequest_for_servicebsm - request_for_service Closed
2020-07-30 08:55:00+00:00 Blocked Street or SideWalk DPW Ops QueueBlocked_Parking_Space_or_StripDumpster blocking parking space Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2023-09-20 00:00:00+00:00NoneHousing Inspection ServicesPossibly running a group home Not Active View on DBI
2023-08-21 00:00:00+00:00NoneHousing Inspection ServicesDate last observed: 18-aug-23; time last observed: 10am; identity of person performing the work: there is no identifiable manag; floor: 2nd; unit: all units; exact location: main bldg; building type: residence/dwelling fire safety/fire escape; stairway safety; no hot water; insects/rodents; ; additional information: hot water heater has been out previously for 3 weeks and i was able to reset it to work. hot water is out again and managment said there is nothing they can do. rodent problem. smokers in building violating city ordinance for high density "co-living" spaces. management does not respond. papers and packages on stairs; Active View on DBI
2022-05-31 00:00:00+00:002022-06-01 00:00:00+00:00Building Inspection DivisionDate last observed: 27-may-22; time last observed: 11:37pm; floor: 3; unit: 45; exact location: main bldg; building type: residence/dwelling other building; other housing; ; additional information: noise complaint. party going on and very loud; Not Active View on DBI
2015-06-01 00:00:00+00:00NoneBuilding Inspection DivisionUnsafe construction work. work dust and debri is not being contained at all. all windows are open to the exterior and blows to neighboring properties. Not Active View on DBI
2015-04-29 00:00:00+00:002015-06-19 00:00:00+00:00Code Enforcement SectionVacant building Not Active View on DBI
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
2023-08-21T00:00:00.000Z this notice includes violations for the areas noted. inspector yee investigated the complaint at the subject property and observed violation(s) of the san francisco housing code which are delineated within the notice of violation issued. pertinent observations are as follows: see below. 45 guerrero building sectionactive
2023-08-21T00:00:00.000Z eliminate rodent infestation (1001b, 1306 hc) located throughout the unit. provide routine and systematic pest control services by a licensed firm until the infestation is eliminated. provide invoice(s) as proof services provided. building sectionactive
2023-08-21T00:00:00.000Z 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 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. other 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
2024-06-17 00:00:00+00:00700 False alarm or false call, otherNone0
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Building Permits

Permit records for 43-47 Guerrero 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 43-47 Guerrero St Compares

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