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1840 Larkin St

Nob Hill, SF 94109 0185025 6 units · 3 fl · 1910

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Nob Hill
At or below average
avg 2.4
0
FewerMore

This building has 0 novs (7y), at or below the Nob Hill average of 2.4.

Rent & eviction protection

Is 1840 Larkin St rent-controlled?

San Francisco's Rent Ordinance caps rent increases and provides eviction protection for most residential units built before 1979 with 2+ units. Here's how this building scores.

Built before 1979
Built 1910
2 or more units
6 units
Property type
Multi-Family Residential
Zoning
RM1
Likely rent-controlled. Building age and unit count suggest this property falls under San Francisco's Rent Ordinance.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units6
Floors3
Year built1910
Total area4,014 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0185025
Ownership

Registered owner per SF Assessor-Recorder (secured roll).

Owner name
Mary Jean Cling Sep Ppty Re
Mailing address
Mary Jean Cling Trustee 870 Sanchez St San Francisco CA 94114
Last sale
022004

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

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Augrented Insights
Initial analysis

1840 Larkin Street is a three-story, six-unit multi-family residential building located in San Francisco's Nob Hill neighborhood, built in 1910. The property has undergone several significant safety and infrastructure upgrades in recent years, including a fire alarm system upgrade in 2023 ($18,969) to meet current fire code requirements with 75dB sounders in sleeping areas, and a completed soft-story retrofit in 2015 ($75,000) to improve seismic safety. Other recent improvements include a re-roofing project in 2020 ($21,500) and a major remodel of Unit 5 in 2018 ($34,872) that included kitchen and bathroom renovations with associated electrical upgrades.

The building's history shows proactive maintenance and compliance with safety standards, including window replacements in 2013 and various unit-specific renovations. However, there was a cluster of building violations recorded in 2000-2001 related to various maintenance and safety issues, including mold, wall damage, and fire safety concerns, all of which were abated by November 2000. The property has undergone regular routine inspections since then, with no active violations on record. Recent 311 calls primarily relate to street cleaning and parking enforcement issues outside the building, while records of fire department response show no significant fire incidents, with most responses being related to alarm malfunctions or routine service calls.

AI-generated · may contain errors · check the source data tables below

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Risk rating

How 1840 Larkin St's risk score is calculated

We trained a model on 7 years of SF DBI inspection data — notice of violation filings, complaint history, and owner track records. It estimates the probability that DBI inspectors will issue a Notice of Violation at this address in the next 12 months. Lower % = safer.

What the score means for you

Grade A–B — Low risk

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Grade C — Moderate risk

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Grade D–F — High risk

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
76th percentile

Out of 1125 buildings in this neighborhood, 270 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
78%
No DBI
violation
22%
DBI violation
likely
Model explanation

What's driving this score

The three data points that most influenced this building's risk rating — ranked by the weight the model placed on each one.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

12-Month severity forecast
No violation 38.7%
Moderate concern 21.2%
Severe concern 40.1%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

1840 Larkin St event timeline

Violations, complaints, fire incidents, permits, and buyouts — most recent records in order.

2026
DBI Complaint May 14
Date last observed: 13-may-26; exact location: main bldg; building type: residence/dwelling ; additional information: owner comes and goes with no time frame. he's here now. drives blue ford pick up license plate # 6y4086;
Building Inspection Division
DBI ComplaintMay 14
Date last observed: 13-may-26; time last observed: 9:00; exact location: main bldg; building type: residence/dwelling work w/o permit; other building; other housing;

See all 13 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1840 Larkin St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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