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Building and Landlord Data Analysis Report

1800 20th Ave, San Francisco, CA 94122

0
Complaints
0
Fire Incidents
62
311 Calls
0
Permits

Risk Assessment

29
High Risk

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

Our AI predicts there is a 29% chance of no major maintenance issues.
Augrented Insights Report

The two-story, 6-unit apartment building at 1800 20th Avenue in the Central Sunset neighborhood, owned by Richard A Jr & Patricia M S, has a documented history of maintenance and safety-related incidents since its construction in 1958. Most notably, the building completed mandatory seismic strengthening work in 2014 ($60,000) and has achieved compliance with San Francisco's soft-story retrofit requirements. The building's maintenance record includes a completed reroofing project in 2003 and a street space use permit issued in 2015. The property has experienced several safety-related incidents and maintenance challenges that warrant attention.

There were multiple fire safety incidents, including carbon monoxide detector activations (both malfunction and actual), electrical issues, and smoke detector activations, though notably without injuries reported in any of these events. A notable fire safety concern arose in early 2019 regarding combustible materials, which was corrected by April 2019. More recently, in late 2024, there were multiple reports of garbage and debris issues around the property, including an infestation report in October 2024 that was transferred to the SF DPH EHS Healthy Housing Program. Historical complaints from 2014 indicate concerns about improper paint removal and debris containment, though these issues are no longer active.

The building's documented history includes routine housing inspections in 2001 and 2002, and one fire-related incident involved a water or steam leak. The property's maintenance history shows attention to structural and safety improvements, particularly with the completed seismic retrofit, which is significant given the building's age and classification as a soft-story structure. While the building has experienced various safety-related incidents, none have resulted in civilian injuries according to available records. The recent increase in garbage and debris-related complaints (2024) suggests ongoing challenges with waste management around the property, though these are primarily external to the building itself.

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 Central Sunset.

Building Characteristics

Total units 6
Year built 1958
Total area 3856 sq ft
Floors 2
Tax Abatements None
Building Class A5 - Apartment 5 to 14 Units
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Key Building Statistics

0
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.
62
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.

Map and Aerial View of 1800 20th Ave

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Reviews of 1800 20th Ave

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1800 20th Ave Landlord Information

Ownership Data

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

NameAddress
Richard A Jr & Patricia M SSchwarting Richard A Jr & P 869 Vega Cir Foster City CA 94404

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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1800 20th Ave 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 1800 20th Ave

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 1800 20th Ave, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-07-28 12:03:35+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrisother_loose_garbage_debris_yard_waste Closed
2025-07-26 13:35:29+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrisother_loose_garbage_debris_yard_waste Closed
2025-07-23 11:14:58+00:00 Tree Maintenance PW - Urban Forestrydamaged_treefallen_tree Closed
2025-07-22 14:20:02+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrisoil_paint_other_liquid_spill_wet Closed
2025-07-02 09:12:46+00:00 Street and Sidewalk Cleaning Recology - Abandonedgarbage_and_debrismattress Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2014-12-05 00:00:00+00:00NoneHousing Inspection ServicesReporting that this multi-unit corner building is scraping paint off the wall without any proper shielding Not Active View on DBI
2014-11-24 00:00:00+00:00NoneBuilding Inspection DivisionDebris are not properly contained. Not Active View on DBI
2002-11-26 00:00:00+00:002002-11-26 00:00:00+00:00Housing Inspection ServicesRoutine inspection Not Active View on DBI
2001-08-14 00:00:00+00:002001-09-20 00:00:00+00:00Housing Inspection ServicesRoutine inspection Not Active View on DBI
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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
2019-11-27 00:00:00+00:00440 Electrical wiring/equipment problem, otherNone0
2019-11-26 00:00:00+00:00424 Carbon monoxide incidentNone0
2019-02-05 00:00:00+00:00736 CO detector activation due to malfunctionNone0
2018-09-03 00:00:00+00:00522 Water or steam leakNone0
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Building Permits

Permit records for 1800 20th 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
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How 1800 20th Ave Compares

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