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Building and Landlord Data Analysis Report

1628-1630 48th Ave, San Francisco, CA 94122

0
Complaints
0
Fire Incidents
25
311 Calls
0
Permits

Risk Assessment

42
Moderate Risk

This building shows some maintenance concerns that warrant attention.

Our AI predicts there is a 42% chance of no major maintenance issues.
Augrented Insights Report

This three-story multi-family residential building, located at 1628-1630 48th Avenue in San Francisco's Outer Sunset neighborhood, is a duplex property built in 1979 and owned by Sabina Chrystal Yuen. The building has experienced several significant events throughout its history, most notably a series of kitchen fire incidents between late 2015 and early 2016 that required substantial repairs totaling $40,000, including electrical upgrades, sheetrock installation, and kitchen remodel work. The property has a documented history of maintenance and repair work, including a vertical addition completed in 1990, stucco repairs in 2011, and various plumbing and fire safety improvements.

The building's maintenance record includes addressing serious health and safety issues, such as a 2003 plumbing emergency involving sewage problems and subsequent pest infestations, and a 2007 mold issue that reportedly caused breathing problems. The property has also faced some regulatory scrutiny, with a 2014 complaint regarding potential illegal units and suspicious activities, though this case was marked as not active. Recent activity around the property has seen recurring issues with sidewalk parking violations documented through multiple 311 calls in 2024, along with some noise complaints.

While there have been three fire complaints on record between 2006 and 2015, two were determined to have no merit and one was resolved with conditions corrected. The building's fire history includes only minor incidents with no civilian injuries reported, specifically a water problem and a smoke scare. In 2017, tenant buyouts were recorded for a neighboring address (1636 48th Avenue), totaling $22,300 for one tenant, though this is unrelated to the current unit's occupancy status.

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 Outer Sunset.

Building Characteristics

Total units 2
Year built 1979
Total area 3500 sq ft
Floors 3
Tax Abatements None
Building Class F - Flats & Duplex
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Key Building Statistics

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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.
25
311 Calls
Number of 311 calls for this building.
0
Fire Injuries
Number of fire injuries reported by SFFD.
0
Building Permits
Number of building permits issued by DBI.

Included Addresses

  • 1628 48th Ave, San Francisco CA 94122
  • 1630 48th Ave, San Francisco CA 94122

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1628-1630 48th Ave Landlord Information

Ownership Data

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

NameAddress
Yuen Sabina Chrystal348 Redwood Ave Redwood City CA 94061

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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1628-1630 48th Ave Rent Control Status

Year Built
Built after 1979
Units
More than 1 unit
Rent Board Registration
Not applicable
Additional Info
N/A
Year BuiltUnitsRent Board RegistrationAdditional Info
After 1979 >1 unit N/A N/A

Full Building Data for 1628-1630 48th Ave

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 1628-1630 48th Ave, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-07-21 15:45:43+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchblocking_driveway_cite_onlyNone Closed
2025-05-05 16:17:25+00:00 Residential Building DPH Environmental Healthmold_and_mildewNone Closed
2025-04-26 12:04:20+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchparking_on_sidewalkNone Closed
2025-03-06 17:13:03+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchparking_on_sidewalkNone Closed
2025-01-21 06:52:38+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchparking_on_sidewalkNone Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2025-05-15 00:00:00+00:00NoneHousing Inspection ServicesHeat Active View on DBI
2025-05-13 00:00:00+00:00NoneHousing Inspection ServicesStructural issues including leaks, balcony falling apart, windows falling out and cabinets falling off. Active View on DBI
2014-10-30 00:00:00+00:00NoneHousing Inspection ServicesSeems to be illegal units. garage door & front gate always open with people walking in and out, maybe illegal activity with different people, cars, & loud music at night. Not Active View on DBI
2007-06-11 00:00:00+00:002007-06-11 00:00:00+00:00Housing Inspection ServicesMold and mildew causing severe breathing problems Not Active View on DBI
2003-09-23 00:00:00+00:002005-02-03 00:00:00+00:00Housing Inspection ServicesPlumbing problem: feces coming through-tore wall now bugs and spiders are coming out of wall. Not Active View on DBI
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
2025-05-15T00:00:00.000Z provide heat to each occupied habitable room capable of maintaining a min. room temp. of 70 degrees f. (21 degrees c.). (701(a) hc) the forced air unit (furnace) does not work. have a qualified professional, using approved methods and materials, service and repair the unit so heat is available per the heating ordinance. at the time of re-inspection, operate the furnace, and show a copy of the receipt from the qualified repair person. if the furnace cannot be repaired, have a qualified contractor obtain necessary permits to replace the unit, complete the work, and complete all inspections related to the building/plumbing permits. then call the housing inspector. *completed permits required for replacement of unit* other sectionactive
2025-05-15T00:00:00.000Z this notice includes violations for the areas noted. 1630 48th av building sectionactive
2025-05-15T00:00:00.000Z 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 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 reinspection (as specified on this notice) it is his/her responsibility to secure a different inspection time/date 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 reinspection. other sectionactive
2025-05-15T00:00:00.000Z affidavit required for carbon monoxide and smoke alarms (sfbc 420.4,907.2.22 & 3401.6.1) complete self certification for the installation of carbon monoxide and smoke alarms. form must be complete without substitution. submit to inspector at time of reinspection, or email to inspector. other sectionactive
2025-05-13T00:00:00.000Z paint walls/ceilings (1001b,1301 hc) at all areas of water damage in item 4, repairs to plaster/gyp-board must be made. all damaged paint, plaster and gyp-board must be removed, and professional repairs be made that match adjoining undamaged areas in quality and finish. all repairs must be painted. interior surfaces 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 1628-1630 48th 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
18960381636 48th Avenue2017-12-18 00:00:00+00:0016000.01
18960381636 48th Avenue2017-11-22 00:00:00+00:006300.01
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How 1628-1630 48th Ave Compares

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Showing buildings that are: within 0.5 miles , of similar age (±15 years), of similar size (±50% units)

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