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Building and Landlord Data Analysis Report

1451-1453 Mariposa St, San Francisco, CA 94107

1
Complaints
0
Fire Incidents
4
311 Calls
0
Permits

Risk Assessment

56
Moderate Risk

This building shows some maintenance concerns that warrant attention.

Our AI predicts there is a 56% chance of no major maintenance issues.
Augrented Insights Report

The 1451-1453 Mariposa Street property in Potrero Hill is a three-story, three-unit multi-family residential building constructed in 1978 and currently owned by Vivacg Llc. The building has undergone several significant improvements over the past decade, most notably in 2016 when comprehensive fire safety systems were installed, including an NFPA 13 sprinkler system with underground and overhead components, new sprinkler monitoring system, and related safety equipment. The building's conversion status was addressed through permits filed in 2013-2015 that legalized an additional dwelling unit and converted the property from R-3 to R-2 status.

Recent maintenance work includes a re-roofing project completed in 2024 at a cost of nearly $12,000. The property has experienced three major compliance issues between 2006 and 2019. In 2018, multiple violations were recorded regarding smoke detectors, carbon monoxide detectors, security requirements, and interior surface repairs, which were all resolved by April 2019.

Earlier compliance challenges from 2006-2012 related to the alleged illegal dwelling unit behind the garage, which appears to have been resolved through the subsequent legalization process. The building's maintenance history shows regular attention to safety and infrastructure, including plumbing upgrades, electrical system improvements, and exterior maintenance. Recent 311 calls (2023) have been limited to parking sign maintenance issues, suggesting no significant building-related complaints in recent years.

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.

1451-1453 Mariposa St Report Contents

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Building Overview

Renter Risk Rating

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

Building Characteristics

Total units 3
Year built 1978
Total area 3810 sq ft
Floors 3
Tax Abatements None
Building Class A - Apartment 4 units or less
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Key Building Statistics

1
Building Complaints
Number of complaints filed with the Department of Building Inspection in the last 7 years.
5
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.
4
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

  • 1453 Mariposa St, San Francisco CA 94107
  • 1451 Mariposa St, San Francisco CA 94107

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1451-1453 Mariposa St Landlord Information

Ownership Data

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

NameAddress
Vivacg Llc106 Collins St San Francisco CA 94118

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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1451-1453 Mariposa 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 1451-1453 Mariposa St

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 1451-1453 Mariposa St, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2023-05-02 11:33:03+00:00 Sign Repair DPT SignShop QueueSign - DefacedOther_Parking_Type - Defaced; support - OK Closed
2023-05-02 11:32:42+00:00 Sign Repair DPT SignShop QueueSign - DefacedOther_Parking_Type - Defaced; support - OK Closed
2023-03-02 08:53:00+00:00 Sign Repair 311 Supervisor QueueSign - DefacedOther_Parking_Type - Defaced; support - OK Closed
2019-01-01 13:12:00+00:00 Street and Sidewalk Cleaning DPW Ops QueueGeneral CleaningOther Loose Garbage Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2018-09-04 00:00:00+00:002019-04-11 00:00:00+00:00Housing Inspection ServicesLeak caused holes in ceilings and walls that have not been repaired. Not Active View on DBI
2012-09-05 00:00:00+00:002012-10-05 00:00:00+00:00Housing Inspection ServicesDate last observed: 05-sep-12; time last observed: 5:30 am; floor: 1; unit: 1449; exact location: in-law unit; building type: residence/dwelling illegal unit; Not Active View on DBI
2011-11-08 00:00:00+00:002012-03-20 00:00:00+00:00Electrical Inspection DivisionDate last observed: 08-nov-11; time last observed: 11/08/2011; floor: 1st floor ; unit: 1449 - not; exact location: main bldg; building type: residence/dwelling work w/o permit; electrical work being performed w/o permit; illegal change of use; kitchen/bathroom remodel w/o permit; ; additional information: illegal unit behind garage, coverted laundry room to unit.; Not Active View on DBI
2011-11-08 00:00:00+00:002012-10-05 00:00:00+00:00Housing Inspection ServicesDate last observed: 08-nov-11; time last observed: 11/08/2011; floor: 1st floor ; unit: 1449 - not; exact location: main bldg; building type: residence/dwelling work w/o permit; electrical work being performed w/o permit; illegal change of use; kitchen/bathroom remodel w/o permit; ; additional information: illegal unit behind garage, coverted laundry room to unit.; Not Active View on DBI
2007-07-12 00:00:00+00:002007-07-13 00:00:00+00:00Housing Inspection ServicesConstructed a 3rd unit w/out a permit. see attached e-mail dd 7/10/07 Not Active View on DBI
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
2018-09-04T00:00:00.000Z inspector comments nuisance (401(2) (1001(d) hc) 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 sectionnot active
2018-09-04T00:00:00.000Z repair damaged walls (1001b,h,o hc) repair damaged walls throughout apartment in an approved manner. interior surfaces sectionnot active
2018-09-04T00:00:00.000Z repair damaged ceilings (1001b,h,o hc) repair damaged floor covering throughout apartment in an approved manner. interior surfaces sectionnot active
2018-09-04T00:00:00.000Z provide smoke detectors and carbon monoxide detectors (907.2.11.2 hc and 915 cbc) a. smoke detectors the number and location of smoke alarms is specified in section 310.9.1.4 of the california building code. one smoke alarm should be placed on each floor in non-sleeping areas. in addition, one smoke alarm must be installed in each room where sleeping occurs and one smoke alarm should be located in each hallway that leads directly to sleeping rooms. b. carbon monoxide detectors co alarms are required to be installed in the following locations: -outside of each sleeping room in the immediate vicinity of the sleeping room. -on every level of a dwelling unit, including basements. smoke detection sectionnot active
2018-09-04T00:00:00.000Z repair damaged ceilings (1001b,h,o hc) repair damaged ceiling throughout apartment in an approved manner. 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
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Building Permits

Permit records for 1451-1453 Mariposa 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
40040341449 Mariposa StreetNoneNoneNone
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How 1451-1453 Mariposa St Compares

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