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Building and Landlord Data Analysis Report

650 Diamond St, San Francisco, CA 94114

2
Complaints
0
Fire Incidents
22
311 Calls
0
Permits

Risk Assessment

20
High Risk

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

Our AI predicts there is a 20% chance of no major maintenance issues.
Augrented Insights Report

The 12-unit, 3-story multi-family residential building at 650 Diamond Street in Noe Valley, owned by Blanz Revocable Trust and constructed in 1927, has undergone several significant safety upgrades in recent years. Most notably, in 2024, the building received comprehensive fire alarm system upgrades, including the installation of addressable smoke detectors, manual pull stations, and low-frequency horns in residential sleeping areas to comply with current fire code requirements, representing a $20,000 investment in tenant safety.

The building's mandatory soft-story retrofit work has been completed, and the Certificate of Final Completion has been issued, bringing the property into compliance with earthquake safety requirements. The property has experienced some concerning safety compliance issues in recent years, with active violations as of 2023/2024 related to fire escape maintenance and fire extinguisher requirements. A tenant complaint from 2019 about unpermitted construction work and noise suggests some past communication and maintenance challenges.

Historically, the building has addressed various structural and maintenance issues, including dry rot repairs in 2003, reroofing in 2001, and garage renovations in 1995. In 2001, the building underwent a routine inspection that revealed multiple violations related to fire safety and lead paint hazards, though these were abated by June 2002. Recent service calls have primarily involved external issues such as parking enforcement and tree maintenance, with no recent complaints regarding internal building conditions since the 2019 construction-related issue.

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.

650 Diamond St Report Contents

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Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Noe Valley.

Building Characteristics

Total units 12
Year built 1927
Total area 6435 sq ft
Floors 3
Tax Abatements None
Building Class A5 - Apartment 5 to 14 Units
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Key Building Statistics

2
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.
1
DBI Director Hearings
Number of Director's Hearings held by DBI in the last 7 years.
22
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.

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Reviews of 650 Diamond St

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650 Diamond St Landlord Information

Ownership Data

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

NameAddress
Blanz Revocable Trust102 Flat Rock Dr Folsom CA 95630

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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650 Diamond 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 650 Diamond St

311 Housing Complaints

The table below shows the 311 housing complaints received regarding the conditions at 650 Diamond St, as well as requests for service nearby.

OpenedCategoryResponsible AgencyRequest TypeRequest DetailsStatus
2025-05-14 08:22:08+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchblocking_driveway_cite_onlyNone Closed
2025-05-05 17:48:21+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrisglass Closed
2025-04-17 08:14:58+00:00 Street and Sidewalk Cleaning PW - Street and Environmental Servicesgarbage_and_debrishuman_waste_or_urine Closed
2024-10-24 09:51:21+00:00 Parking Enforcement MTA - Parking Enforcement Dispatchblocking_driveway_cite_onlyNone Closed
2023-11-15 16:50:12+00:00 Parking Enforcement Parking Enforcement Review QueueBlocking_Driveway_Cite_OnlyBlocked Driveway or Illegal Parking Closed
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DBI Complaints

Complaints received by the Department of Building Inspection.

Date FiledDate AbatedAssigned DivisionComplaint DescriptionStatusLink
2023-05-11 00:00:00+00:00NoneHousing Inspection ServicesCommon areas Active View on DBI
2022-09-06 00:00:00+00:002024-06-24 00:00:00+00:00Code Enforcement SectionSoft story tier iii Not Active View on DBI
2019-12-18 00:00:00+00:00NoneBuilding Inspection DivisionDate last observed: 17-dec-19; time last observed: 11:30am; identity of person performing the work: unknown; floor: 0; unit: n/a; exact location: garage; building type: residence/dwelling expired permits; work w/o permit; work beyond scope of permit; ; additional information: i called the department of building inspection who said that there were no current active permits for this residence. however there is currently active construction happening during both weekdays and weekends, with no notification to tenants, and which is extremely noisy and causing me distress as a tenant of the building; Not Active View on DBI
2001-03-29 00:00:00+00:002002-06-25 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
2023-05-11T00:00:00.000Z maintain fire escape drop ladder in working condition (sec 908 hc) on reinspection day, property manager, owner or the owner's agent needs to demonstrate the workability of the fire escape ladders. or provide a written and signed report from a qualified service company or contractor stating that all parts and cables have been tested and are functional or you are required to lower the ladder on re-inspection day to verify its proper full release. all fire escape drop ladders must be maintained and serviced annually, particularly the cable and all moving parts. lubricate and drop the ladder at least once a year. building sectionactive
2023-05-11T00:00:00.000Z provide for compliance affidavit (sfhc 604 ) complete the 604 affidavit provided for self certification for structural maintenance. provide to inspector at the time of reinspection, send to inspector yee at 49 south van ness avenue, san francisco, ca 94103, fax to (628) 652-3709 or email the forms to dennis.yee@sfgov.org. building sectionactive
2023-05-11T00:00:00.000Z this notice includes violations for the areas noted. inspector yee performed a routine safety inspection of public and common areas. chapters 1, 2, & 3 of the san francisco housing code require that the department of building inspection perform periodic health & safety inspections of residential property. this routine inspection was conducted to assure that all requirements have been met per attached routine inspection checklist. 650 diamond building sectionactive
2023-05-11T00:00:00.000Z provide for compliance affidavit (sfhc 420.4, 907.211 and 340.1.6.1 ) complete the affidavit provided for self certification for smoke detectors and carbon monoxide alarms. provide to inspector at the time of reinspection, send to inspector yee at 49 south van ness avenue, san francisco, ca 94103, fax to (628) 652-3709 or email the forms to dennis.yee@sfgov.org. building sectionactive
2023-05-11T00:00:00.000Z 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 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 date and time with the inspector. your cooperation is appreciated. other sectionactive
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Fire Violations

Fire code violations recorded by the San Francisco Fire Department.

Violation DateDisposition DateAddressViolation DescriptionStatus
2025-06-25T00:00:00.000Z650 Diamond Stalarm system maintained abated
2024-07-18T00:00:00.000Z650 Diamond Stfire extinguishers/maintenance abated
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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 650 Diamond 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 650 Diamond St Compares

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