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Building and Landlord Data Analysis Report

3478 18th St, San Francisco, CA 94110

12
Complaints
1
Fire Incidents
55
311 Calls
2
Permits

Risk Assessment

23
High Risk

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

Our AI predicts there is a 23% chance of no major maintenance issues.
Augrented Insights Report

The 6-unit, 3-story apartment building at 3478 18th Street in the Inner Mission, owned by Wong Tr and constructed in 1915, has undergone several significant maintenance and safety upgrades in recent years. Most notably, recent improvements include a $21,000 fire alarm system upgrade completed in October 2023 to meet current safety standards, and substantial renovation work in 2022 totaling $55,000 that addressed various building code requirements including window replacement, backstairs repair, exterior siding replacement, and the addition of a half bath. The building successfully completed its mandatory soft-story retrofit in 2018 (cost: $40,000), demonstrating compliance with seismic safety requirements.

The property has experienced multiple regulatory interventions, particularly in 2022 when several work orders and notices of violation were issued regarding lead paint hazards, interior surface repairs, plumbing issues, and fire safety concerns. While many of these violations were marked as abated by March 2022, recent complaints from September 2024 have emerged regarding possible unpermitted construction work and safety concerns in Unit 1, including reports of mold, unpermitted plumbing installation, and unit habitability issues following reportedly extensive previous tenant neglect. Historical maintenance records show attention to basic infrastructure needs, including a 2007 reroofing project (cost: $3,600) and various plumbing and electrical upgrades.

The building's recent history shows particular attention to fire safety upgrades, including the installation of low-frequency sounders in sleeping areas as part of the 2023 fire alarm system modification. The property has experienced recurring maintenance challenges, as evidenced by numerous resident complaints regarding electrical systems, plumbing fixtures, and general building maintenance in 2022-2024. Recent 311 calls from 2022-2025 primarily relate to external issues such as graffiti and sidewalk cleanliness, which are typical urban maintenance concerns. The building's management has demonstrated patterns of responding to regulatory requirements and completing necessary safety upgrades, though recent complaints suggest potential ongoing issues with unit habitability and maintenance standards.

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.

3478 18th St Report Contents

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Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Inner Mission.

Building Characteristics

Total units 6
Year built 1915
Total area 4245 sq ft
Floors 3
Tax Abatements None
Building Class A5 - Apartment 5 to 14 Units
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Key Building Statistics

12
Building Complaints
Number of complaints filed with the Department of Building Inspection in the last 7 years.
31
Code Violations
Building code violations issued by DBI in the last 7 years.
1
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.
55
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.

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3478 18th St Landlord Information

Ownership Data

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

NameAddress
Wong TrWong Phillip & Janet Ttees 535 Guerrero St San Francisco CA 94110

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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3478 18th 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 3478 18th St

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 3478 18th St, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-06-21 08:27:33+00:00 Graffiti Public MTA - Parking Meter Shopnot_offensiveparking_meter Closed
2025-06-07 09:03:47+00:00 Encampment Healthy Streets Operation CenterencampmentNone Closed
2025-06-04 20:29:45+00:00 Graffiti Public PW - Street and Environmental Servicesnot_offensivesidewalk_in_front_of_property Closed
2025-05-31 12:33:48+00:00 Graffiti Public PW - Street and Environmental Servicesnot_offensivesidewalk_in_front_of_property Closed
2025-05-31 12:33:46+00:00 Graffiti Public PW - Street and Environmental Servicesnot_offensivepole Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2024-09-10 00:00:00+00:00NoneBuilding Inspection DivisionDate last observed: 09-sep-24; time last observed: 5pm; identity of person performing the work: phillip wong, building owner a; floor: 1; unit: 1 and base; exact location: main bldg; building type: residence/dwelling plumbing installation without permit; mold; work w/o permit; kitchen/bathroom remodel w/o permit; ; additional information: unit 1 was neglected for years and when the last occupant died, there was years of accumulated feces and urine in all rooms of the unit, a bathroom ceiling falling in, dilapidated fixtures (sink, toilet, and bathtub/shower) in the unit along with a non-functional stove and rusted out cabinets in the kitchen, plus flooring that needs replaced throughout. property management now says they are doing demolition and construction work from 9/9-9/24 but that they don¿t require permits. the unit is uninhabitable. further, in writing, they said they updated the plumbing for that apartment in 2023, but no permits appear on the dbi websit Not Active View on DBI
2024-09-10 00:00:00+00:00NoneBuilding Inspection DivisionDate last observed: 09-sep-24; time last observed: 5pm; identity of person performing the work: phillip wong, building owner a; floor: 1; unit: 1 and base; exact location: main bldg; building type: residence/dwelling plumbing installation without permit; mold; work w/o permit; kitchen/bathroom remodel w/o permit; ; additional information: unit 1 was neglected for years and when the last occupant died, there was years of accumulated feces and urine in all rooms of the unit, a bathroom ceiling falling in, dilapidated fixtures (sink, toilet, and bathtub/shower) in the unit along with a non-functional stove and rusted out cabinets in the kitchen, plus flooring that needs replaced throughout. property management now says they are doing demolition and construction work from 9/9-9/24 but that they don¿t require permits. the unit is uninhabitable. further, in writing, they said they updated the plumbing for that apartment in 2023, but no permits appear on the dbi websit Not Active View on DBI
2022-12-30 00:00:00+00:00NoneElectrical Inspection DivisionDate last observed: 29-dec-22; time last observed: 1:30pm; identity of person performing the work: phillip wong (building owner) ; floor: g-3; unit: 2-6 (my un; exact location: main bldg; building type: residence/dwelling electrical work previously installed w/o permit; deteriorated electrical equipment; other electrical; ; additional information: i plugged in a space heater the building manager brought me a few weeks ago, and within a couple minutes, it tripped a breaker, causing the overhead lights in the kitchen extension, kitchen, bedroom, living room, hallway, and bathroom to go out as well as the outlets in the kitchen extension, bedroom, living room, hallway, and bathroom all to stop working. it seems like everything except the kitchen outlets and the outlets on two baseboard heaters are all on the same circuit. i reported this to the building manager and was told that this is normal. i looked at the electrical panels downstairs when i went to flip the sw Not Active View on DBI
2022-06-03 00:00:00+00:002022-07-21 00:00:00+00:00Housing Inspection ServicesDate last observed: 02-jun-22; time last observed: 9am; exact location: main bldg; building type: residence/dwelling damaged walls; other housing; ; additional information: housing inspector noted that building needs painted at the start of 2022, but no work has been done by building owner or management company. i remain concerned about exposure to lead paint and paint flaking. this was supposed to be taken care of by may/june. no progress has been made. additionally, though the building owner was previously cited for bins in an enclosed room with no sprinkler system, about 75% of the time, the recycling and sometimes the trash bins are back in that enclosed room rather than in the breezeway. this is a safety hazard. building owner and property management company also not cleaning up trash from walkway where bins are supposed to live. and when all the bins are in the breezeway area, they block egress to the back of the building. also, the first window in the stairway doe Not Active View on DBI
2022-06-03 00:00:00+00:00NonePlumbing Inspection DivisionDate last observed: 02-jun-22; time last observed: 9am; exact location: main bldg; building type: residence/dwelling water heater installed w/o permit; ; additional information: current bonding wire is dangerous as is, asked building owner to replace with sleeved wire. he refused. the tpr valve does not have a discharge pipe and will blast boiling water at whoever is standing nearby if it goes off. as two of the water heaters installed in my apartment have quit working, including flooding, this is a significant safety concern for me. given that the water heater is less than about 12"-18" from my stove and less than about 6" from my only kitchen counter, i want to be sure it's safe. building owner ignored this report. there's an insufficient rise in the vent connector, which increases the potential for backdraft, another safety issue. given that building owner replaced water heaters in all units, with units 1, 4, and 5 having similar kitchen corner placement, i'm also c Not Active View on DBI
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
2022-06-03T00:00:00.000Z this notice includes violations for the areas noted. 3478 18th street building sectionnot active
2022-06-03T00:00:00.000Z repair window sash cords (1001(h) hc) repair window at first floor common area. first window after entering the building at bottom of stairs was not able to stay open at time of inspection. building sectionnot active
2022-06-03T00:00:00.000Z remove or cover damaged paint in an approved manner to prevent a lead hazard. see attached lead hazard warning. (1301 hc) peeling paint observed throughout exterior of the building especially above ground floor. remove and properly dispose severely peeling and flaking paint in an approved manner to prevent a lead hazard. following proper removal and abatement, apply a new coat of weather proofing - re-paint. note: it is the owner's responsibility to investigate for possible presence of lead based paint and remove, following procedures set forth by the san francisco health and building departments. consult with a qualified lead abatement contractor as required. see lead hazard warning below. interior surfaces sectionnot active
2022-06-03T00:00:00.000Z 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 a 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. you may contact inspector barber at (628) 652-3398 or joseph.barber@sfgov.org. 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 housing inspector returns in order for this violation to be abated. important note: due to the nature of this violation, this property has been defined as a nuisance per section 1001(d) of the san francisco housing code. other sectionnot active
2022-06-03T00:00:00.000Z disturbing lead based paint can be extremely dangerous to dwelling occupants and visitors, particularly to young children, pregnant women, pets, and to people performing work on the premises. for interior or exterior paint removal : always wet the surface, contain and properly dispose of leaded paint. if you are unsure whether the paint is leaded, you should test it prior to performing any work. if the paint is found to contain lead, you should consult with an expert about appropriate procedures. proper containment and 3-day notification is required for exterior jobs of more than 10 sq.ft. (sec.327, sfebc) more information available at https://www.sfdph.org/dph/eh/cehp/lead/ you can contact the san francisco childhood lead poisoning prevention program at: (415) 252-3800 for free advice. if you cause lead dust to be created, you could be liable for any illness caused by the dust. ordinance #446-97. interior surfaces sectionnot active
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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
2019-10-23 00:00:00+00:00113 Cooking fire, confined to containerNone0
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Building Permits

Permit records for 3478 18th 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 3478 18th St Compares

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