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103 Beaumont Ave

Lone Mountain, SF 94118 1135001A 2 units · 2 fl · 1941

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 Lone Mountain
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Lone Mountain average of 0.9.

Rent & eviction protection

Is 103 Beaumont Ave 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 1941
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
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 built1941
Total area3,140 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1135001A
Ownership

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

Owner name
Dick & Jan Yamagami Fmly Tr
Mailing address
Yamagami Dick N & Janice Tt 1239 9Th Ave San Francisco CA 94122
Last sale
092394

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 103 Beaumont Avenue in the Lone Mountain neighborhood is a two-story flats and duplex structure built in 1941, currently owned by the Dick & Jan Yamagami Family Trust. The property has undergone several maintenance and improvement projects over the past three decades, including a garage door replacement in 2017 (cost: $2,528) and a complete reroofing in 1993. The building's mechanical systems have received attention, with a furnace replacement permit issued in 2014 and a completed gas houseline extension in 2012, though the furnace permit has since expired.

A notable plumbing-related issue occurred in April 2019, when a violation was recorded regarding a defective or missing fresh air inlet and house trap, though this was promptly abated within five days of filing. The building's exterior and surrounding area have experienced various municipal service calls, including streetlight maintenance in June 2022, which involved multiple fuse replacements due to persistent power issues. There have been recurring non-building specific issues in the vicinity, such as mailbox graffiti in 2021, abandoned vehicle reports in 2018 and 2020 (both vehicles were gone upon inspection), and instances of general street cleaning needs resulting in Recology pickups in January and February 2019. While these external incidents are mostly routine urban maintenance matters, the property's documented building permits and violations suggest regular attention to basic infrastructural needs, with no recent major structural or safety concerns reported.

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

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Risk rating

How 103 Beaumont Ave'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
94th percentile

Out of 519 buildings in this neighborhood, 31 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
93%
No DBI
violation
7%
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.

NOV rate, owner's portfolio

Per-building NOV rate across everything this owner manages — high rates signal pattern neglect.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

DBI complaint rate, owner's portfolio

Per-building complaint rate across the owner's portfolio.

12-Month severity forecast
No violation 84.9%
Moderate concern 12.4%
Severe concern 2.7%
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

103 Beaumont Ave event timeline

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

No dated public records on file yet.
Every record we have

Full data for 103 Beaumont Ave 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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