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Building and Landlord Data Analysis Report

434 Leavenworth St, San Francisco, CA 94102

15
Complaints
0
Fire Incidents
324
311 Calls
15
Permits

Risk Assessment

6
High Risk

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

Our AI predicts there is a 6% chance of no major maintenance issues.
Augrented Insights Report

434 Leavenworth Street is a 5-story, 59-unit multi-family residential building constructed in 1911, currently owned by SF 434 Leavenworth LLC and located in the Tenderloin neighborhood. The building has undergone several significant renovations in recent years, most notably a comprehensive unit upgrade program in 2021-2024 that includes kitchen and bathroom rehabilitations, washer/dryer installations, and the recent conversion from a wireless to a hardwired fire alarm system with an associated cost of approximately $103,194 completed in June 2024.

The building's systems have received attention through multiple infrastructure upgrades, including the installation of new tankless Rinnai water heaters in April 2023 to replace the previous boiler system. Despite these improvements, the property has experienced numerous maintenance and safety challenges in recent years. There have been recurring issues with the elevator system, with complaints about extended outages in 2023-2024, and multiple fire safety violations have been documented, including recurring alarm system problems and sprinkler/standpipe system violations throughout 2023-2024.

The building has also faced several health and safety concerns, as evidenced by multiple building violations filed in late 2023 regarding interior surfaces, including mold/mildew issues, damaged ceilings, and window repairs. Recent complaints from September 2024 specifically mentioned ongoing garbage and sanitation issues, including problems with waste collection and the number of garbage receptacles available for the large building size. The property has also seen a series of 311 calls regarding encampments and various sanitation issues in early 2025, indicating continuing challenges with building exterior maintenance and security in the surrounding area.

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.

434 Leavenworth 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 59
Year built 1911
Total area 34565 sq ft
Floors 5
Tax Abatements None
Building Class A15 - Apartment 15 Units or more
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Key Building Statistics

15
Building Complaints
Number of complaints filed with the Department of Building Inspection in the last 7 years.
32
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.
2
DBI Director Hearings
Number of Director's Hearings held by DBI in the last 7 years.
324
311 Calls
Number of 311 calls for this building.
0
Fire Injuries
Number of fire injuries reported by SFFD.
15
Building Permits
Number of building permits issued by DBI.

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434 Leavenworth St Landlord Information

Ownership Data

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

NameAddress
Sf 434 Leavenworth LlcSteven C. Thrower 1 Bush St Ste 900 San Francisco CA 94104

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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434 Leavenworth 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 434 Leavenworth St

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 434 Leavenworth St, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-07-26 10:41:19+00:00 Street and Sidewalk Cleaning Recology - Abandonedgarbage_and_debrisother_bagged_boxed_contained_garbage Closed
2025-07-21 18:24:40+00:00 General Request Healthy Streets Operation Centerhomelessness_and_supportive_housinghousing_homeless request_for_service Closed
2025-07-16 22:12:55+00:00 Encampment Healthy Streets Operation CenterencampmentNone Closed
2025-07-16 00:45:23+00:00 Encampment Healthy Streets Operation CenterencampmentNone Closed
2025-07-14 09:34:22+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrisother_loose_garbage_debris_yard_waste Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2025-07-14 00:00:00+00:00NoneHousing Inspection ServicesDate last observed: 10-jul-25; identity of person performing the work: brick and timber pm ; floor: 4; unit: 405a; exact location: main bldg; building type: residence/dwelling insects/rodents; structural problems; ; additional information: extreme cockroach problem, with nests in all kitchen cabinets. the only thing being done by management is infrequent pest control. have put in several work orders. ; Not Active View on DBI
2024-09-25 00:00:00+00:00NoneHousing Inspection ServicesDate last observed: 24-sep-24; time last observed: 1700; floor: basement; exact location: main bldg; building type: residence/dwelling other housing; ; additional information: garbage is not being collected. bins behind basement are overflowing.; Not Active View on DBI
2024-09-10 00:00:00+00:00NoneHousing Inspection ServicesDate last observed: 09-sep-24; time last observed: 11:00 am; floor: all; unit: all; exact location: main bldg; building type: residence/dwelling disabled acc: elevator/lift; ; additional information: elevator has been broken for more than four weeks; Not Active View on DBI
2024-09-09 00:00:00+00:002024-09-13 00:00:00+00:00Housing Inspection ServicesDate last observed: 08-sep-24; time last observed: 9/08/2024; floor: 2nd ; exact location: common area; building type: residence/dwelling other housing; ; additional information: chronic human fecal matter smeared on walls of second floor walls due to a mentally unstable tenant. this time, human fecal has remained on the wall for a month now.; Not Active View on DBI
2024-09-03 00:00:00+00:002024-09-27 00:00:00+00:00Housing Inspection ServicesDate last observed: 30-aug-24; time last observed: 4:00 pm; floor: all; unit: all; exact location: main bldg; building type: residence/dwelling disabled acc: elevator/lift; ; additional information: elevator has been broken for 3 weeks; Not Active View on DBI
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
2024-09-03T00:00:00.000Z repair defective or non-working elevator (713, 1001(l) hc) at time of inspection, elevator not operating; restore elevator to proper working condition. ---------- other sectionnot active
2024-09-03T00:00:00.000Z this notice includes violations for the areas noted. subject property located at 434 leavenworth st. common areas. building sectionnot active
2024-09-03T00:00:00.000Z clean interior (1306 hc) provide cleaning to wall where unknown substance is observed. provide carpet cleaning to stairwells and common area hallways. location: 2nd fl. (adjacent to apts. #200 & #202); common area stairs/ hallways ---------- interior surfaces sectionnot active
2024-09-03T00:00:00.000Z inspector comments it is the property owner's 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 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. ***correction of violations cited in this notice may require building, plumbing and/or electrical permits. it is the responsibility of the owner to obtain (or have others obtain) any required permits before beginning work that requires permit(s). when applying for a permit, reference the complaint number from this notice of violation. you must have the proper permit signed-off and finalized before the housing insp. returns in order for this violation to be abated.*** other sectionnot active
2024-04-02T00:00:00.000Z this notice includes violations for the areas noted. subject property located at 434 leavenworth st. common areas. building sectionnot active
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Fire Violations

Fire code violations recorded by the San Francisco Fire Department.

Violation DateDisposition DateAddressViolation DescriptionStatus
2025-02-20T00:00:00.000Z468 - 488 Ellis Stfire escape maintenance rescinded
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Fire Incidents

Historical fire incident records for the property.

Incident DatePrimary SituationIgnition CauseCivilian Injuries
2025-02-06 00:00:00+00:00520 Water problem, otherNone0
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Building Permits

Permit records for 434 Leavenworth 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 434 Leavenworth St Compares

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