Free SF apartment background check

1451 Green St

Russian Hill, SF 94109 0550028 2 units · 2 fl · 1908

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 Russian Hill
At or below average
avg 1.9
0
FewerMore

This building has 0 novs (7y), at or below the Russian Hill average of 1.9.

Rent & eviction protection

Is 1451 Green 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 1908
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH3
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
Units2
Floors2
Year built1908
Total area2,200 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot0550028
Ownership

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

Owner name
Holly A & Ronald L Kirkpatr
Mailing address
Holly A & Ronald L Kirkpatr 1451 Green St San Francisco CA 94109
Last sale
062408

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit residential building at 1451 Green St in Russian Hill, owned by Holly A & Ronald L Kirkpatr, has a complex history of unpermitted modifications and code compliance efforts. Built in 1908, this two-story flats and duplex structure has been at the center of multiple compliance issues, most notably a significant case initiated in September 2017 regarding unpermitted construction of a two-story deck, exterior stairs, and non-rated partition walls. These issues led to various enforcement actions, including a Final Warning Letter in December 2017 and a director hearing in May 2023. While there have been attempts to address these violations through permit applications, including a 2018 variance request to legalize ground floor expansion, these efforts have encountered setbacks, with a recent permit for legalization filed in December 2021 being withdrawn.

The building has undergone several significant structural improvements in the past, including reroofing work and dry rot repairs in 1990, along with foundation underpinning work completed in 1989. More recently, there has been ongoing attention to the property's exterior conditions, with multiple 311 calls between 2023 and 2024 reporting issues such as sidewalk defects, abandoned debris, and cleaning needs. A sprinkler system activation incident was recorded, though it was determined to be unintentional with no fire damage or civilian injuries. Notably, a 2024 investigation determined that no unauthorized dwelling unit (UDU) was present in the building, and the Planning Department has processed various applications related to the property, including an approval letter for deck legalization in February 2024. The building's recent history has been marked by attempts to bring unauthorized modifications into compliance, though with varying degrees of success and ongoing enforcement activity.

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

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Risk rating

How 1451 Green 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
52th percentile

Out of 1133 buildings in this neighborhood, 544 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
75%
No DBI
violation
25%
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.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

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 67.7%
Moderate concern 12.5%
Severe concern 19.8%
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

1451 Green St event timeline

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

2026
Plumbing Permit May 28
Work category: 1p; illegal bath and kitchen pre-inspection. job card # 2018-0105-7945.
Issued
Plumbing PermitApr 27
Work category: 1p; shower valve replacement

See all 10 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1451 Green 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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