You need to enable JavaScript to use this site.454-456 Union St, San Francisco Report | Augrented SF Apartment Ratings & Reviews
Building and Landlord Data Analysis Report

454-456 Union St, San Francisco, CA 94133

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Complaints
0
Fire Incidents
0
311 Calls
0
Permits

Risk Assessment

72
Low Risk

This building shows minimal signs of maintenance issues based on our analysis.

Our AI predicts there is a 72% chance of no major maintenance issues.
Augrented Insights Report

This multi-family residential was built in 1911. It contains 2 units and is classified as flats & duplex. The property is located in the Telegraph Hill area.

Last updated: January 21, 2026
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.

454-456 Union St Report Contents

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Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Telegraph Hill.

Building Characteristics

Total units 2
Year built 1911
Total area 840 sq ft
Floors 2
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.
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Code Violations
Building code violations issued by DBI in the last 7 years.
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Fire Incidents
Total number of fire incidents reported at this building.
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DBI Director Hearings
Number of Director's Hearings held by DBI in the last 7 years.
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311 Calls
Number of 311 calls for this building.
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Fire Injuries
Number of fire injuries reported by SFFD.
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Building Permits
Number of building permits issued by DBI.

Included Addresses

  • 456 A Union St, San Francisco CA 94133
  • 454 A Union St, San Francisco CA 94133

Map and Aerial View of 454-456 Union St

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454-456 Union St Landlord Information

Ownership Data

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

NameAddress
Chan/lau Fmly TrChan Kevin & Lau Frances F 169 Rae Ave San Francisco CA 94112

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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454-456 Union 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 454-456 Union St

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 454-456 Union St, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
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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 454-456 Union 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 454-456 Union St Compares

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

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