Free SF apartment background check

1420 Montgomery St

Telegraph Hill, SF 94133 0085037 4 units · 4 fl · 1960

This building has more problems than most buildings in this neighborhood. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Telegraph Hill
At or below average
avg 1.2
0
FewerMore

This building has 0 novs (7y), at or below the Telegraph Hill average of 1.2.

Rent & eviction protection

Is 1420 Montgomery 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 1960
2 or more units
4 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
Units4
Floors4
Year built1960
Total area10,249 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot0085037
Ownership

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

Owner name
Duxbury Trust
Mailing address
Alan Steremberg Trustee 660 Fourth St #554 San Francisco CA 94107
Last sale
102115

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 4-unit residential building at 1420 Montgomery Street in Telegraph Hill, owned by Duxbury Trust, is a four-story structure built in 1960 that has undergone several significant improvements and faced various maintenance challenges over the years. Most recently, in April 2023, the building received a complete reroofing costing $122,282. The building has a history of fire safety upgrades, including the installation of sprinklers in 2008, and a natural gas earthquake valve added in 2017. In 2021, there was a fire alarm systems complaint that was found to have no merit, and in 2009, an alarm systems issue was corrected promptly.

The building's maintenance record shows attention to infrastructure improvements, including a 28-panel solar PV system installed in 2008, an EV charger installation in 2011, and various plumbing upgrades. Recent 311 calls indicate some ongoing infrastructure challenges, with reports of flooding and water leaks in late 2023, though these were reportedly insufficient in detail for proper investigation. Historical records from 2005 show several fire safety violations related to gas utility shutoff tools, emergency exits, smoke detectors, and fire extinguishers, all of which were abated by May 2005. The building underwent substantial improvements in 2007-2008, including roof support modifications for future PV panels and various electrical system upgrades. The property has experienced periodic infrastructure issues, with the most recent plumbing-related complaints in 2023, though many past complaints have been resolved promptly through proper channels.

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

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Risk rating

How 1420 Montgomery 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
22th percentile

Out of 684 buildings in this neighborhood, 534 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
66%
No DBI
violation
34%
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.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

Number of units

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

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 55.5%
Moderate concern 30.0%
Severe concern 14.5%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

1420 Montgomery St event timeline

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

2023
311 Request Dec 06
Flooding
On property
Building PermitApr 27
Reroofing

See all 2 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1420 Montgomery 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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