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Building and Landlord Data Analysis Report

50 Leroy Pl, San Francisco, CA 94109

6
Complaints
0
Fire Incidents
98
311 Calls
3
Permits

Risk Assessment

12
High Risk

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

Our AI predicts there is a 12% chance of no major maintenance issues.
Augrented Insights Report

The 10-unit, 3-story apartment building at 50 Leroy Place in Nob Hill, built in 1909 and currently owned by Ming & Manling Koo 2012 Irr, has undergone significant renovation and maintenance work over the past decade. Between 2015 and 2020, seven of the ten units received comprehensive kitchen and bathroom remodels, with upgrades including new fixtures, appliances, and electrical systems. The building had several concerning issues in 2019, including multiple complaints about leaking radiators, water damage, and mold problems, though these were addressed and resolved.

A notably hazardous situation occurred in 2016 when residents reported potentially dangerous odors from the radiator system, which appears to have been remediated. The most recent building-related permit is from January 2025, focusing on fire alarm decibel level compliance in sleeping areas, indicating ongoing attention to safety systems. Recent maintenance work includes a completed drain pipe repair (March 2024) and steam boiler replacement (May 2021). The property has had its share of challenges, as evidenced by various complaints and violations.

A significant cluster of issues was documented in early 2015, including problems with plumbing, electrical systems, and the building's exterior. There were historical violations regarding boiler operation permits in 2001, though these were resolved by 2009. More recent complaints and service requests (2023-2024) have primarily involved exterior maintenance and urban environment issues near the property, such as waste management and tree maintenance, with the most recent being an open case from October 2023 regarding a tree potentially damaging the building. The building's fire safety systems were inspected in October 2021, though the complaint was found to have "No Merit." The property has shown a consistent pattern of maintenance and upgrading over the years, with particular attention paid to unit renovations, electrical systems, and plumbing infrastructure, though past water-related issues suggest some historical challenges with the building's systems that have generally been addressed through subsequent repairs and upgrades.

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.

50 Leroy Pl Report Contents

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Building Overview

Renter Risk Rating

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

Building Characteristics

Total units 10
Year built 1909
Total area 7290 sq ft
Floors 3
Tax Abatements None
Building Class A5 - Apartment 5 to 14 Units
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Key Building Statistics

6
Building Complaints
Number of complaints filed with the Department of Building Inspection in the last 7 years.
15
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.
98
311 Calls
Number of 311 calls for this building.
0
Fire Injuries
Number of fire injuries reported by SFFD.
3
Building Permits
Number of building permits issued by DBI.

Included Addresses

  • 1347 Sacramento St, San Francisco CA 94109
  • 1345 Sacramento St, San Francisco CA 94109
  • 50 Leroy Pl, San Francisco CA 94109

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Reviews of 50 Leroy Pl

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50 Leroy Pl Landlord Information

Ownership Data

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

NameAddress
Ming & Manling Koo 2012 IrrKoo Ming D & Manling Har H 988 Union St Apt 301 San Francisco CA 94133

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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50 Leroy Pl 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 50 Leroy Pl

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 50 Leroy Pl, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-07-29 09:36:19+00:00 General Request Healthy Streets Operation Center - Individualhomelessness_and_supportive_housinghousing_homeless request_for_service Closed
2025-07-17 08:14:23+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrishuman_waste_or_urine Closed
2025-07-07 13:36:33+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrisother_loose_garbage_debris_yard_waste Closed
2025-06-17 09:43:11+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrishuman_waste_or_urine Closed
2025-05-27 07:10:23+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchother_illegal_parkingNone Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2025-07-14 00:00:00+00:00NoneBuilding Inspection DivisionCaller states a loud piercing noise that starts from 7am to about 3pm. thinks its a drill of sometime. (311 sr 101002251095) Active View on DBI
2019-03-14 00:00:00+00:002019-06-05 00:00:00+00:00Housing Inspection ServicesLeak from radiator, water damage Not Active View on DBI
2019-03-13 00:00:00+00:002019-06-05 00:00:00+00:00Housing Inspection ServicesComplaint generated routine initiated by cts # 201931271. Not Active View on DBI
2019-03-01 00:00:00+00:00NoneHousing Inspection ServicesWater damage, leaking radiator Not Active View on DBI
2019-02-22 00:00:00+00:002019-04-12 00:00:00+00:00Housing Inspection ServicesMold all over the unit. Not Active View on DBI
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DBI Violations

Building code violations records.

Date FiledDate AbatedItemViolation DescriptionStatus
2019-03-14T00:00:00.000Z 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 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. 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
2019-03-14T00:00:00.000Z repair source of water damage (703,1001f hc) once source of water damage and water leak is located, repair source of damage to prevent future leaks or damage. provide written documentation re: source of water damage & all steps taken to ensure the cessation of future leaking. interior surfaces sectionnot active
2019-03-14T00:00:00.000Z locate source of water damage (703, 1001f hc) locate source of water leak and damage in unit. water damage observed at wall next to radiator and on floor underneath radiator. water was observed on the ground by the radiator at the time of inspection. gaps also observed at moulding around top of bedroom walls and above window frame. interior surfaces sectionnot active
2019-03-14T00:00:00.000Z this notice includes violations for the areas noted. 1345 sacramento st. # 4 building sectionnot active
2019-03-14T00:00:00.000Z repair damaged walls (1001b,h,o hc) once source of water leak and damage is located and repaired, repair water damage in unit. repair deteriorated flooring and walls by radiator. repair gaps at moulding and above window frame in main room. repair gaps around window frame in bathroom. 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 50 Leroy Pl.

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
1347 SACRAMENTO ST 94109Approved the addition of 3 Local ADUs in existing multi-family lot in the RM-3 Zoning District per California Government Code 65852.2.Calhoun, Serina
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Tenant Buyouts

Tenant buyout records for the property.

BlocklotAddressAgreement DateAmountTenants
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How 50 Leroy Pl Compares

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