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2353 Union St

Cow Hollow, SF 94123 0538020 4 units · 2 fl · 1924

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 Cow Hollow
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Cow Hollow average of 0.7.

Rent & eviction protection

Is 2353 Union 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 1924
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
Floors2
Year built1924
Total area3,984 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot0538020
Ownership

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

Owner name
Michaelis Alice Trst
Mailing address
2353 Union St Apt 1 San Francisco CA 94123
Last sale
060396

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 4-unit, 2-story multi-family residential building at 2353 Union Street in Cow Hollow, owned by Michaelis Alice Trst, has a recorded history dating back to its 1924 construction. The property has undergone several significant maintenance and safety improvements over the years, including a sewer line replacement in 2015, installation of a water heater in 2014, and two complete reroofing projects in 1989 and 2006, with the most recent roofing work costing $6,200. Accessibility improvements were made in 1995 with the installation of a stairlift serving one unit. The building has experienced two routine housing inspections (2000 and 2008), which resulted in violations related to self-closing doors and handrail repairs, though these issues were promptly addressed and abated within several months.

Recent building activity has primarily involved infrastructure maintenance, with the most pressing current issue being tree root damage to the sidewalk as reported in February 2024. The property has experienced multiple fire alarm activations over the years, though all incidents were determined to be unintentional with no civilian injuries reported. The building's service history suggests regular maintenance of core systems, though there are recurring issues with parking enforcement in the immediate vicinity, as evidenced by multiple 311 calls regarding blocked driveways throughout 2019-2024. Tree maintenance has also been a recurring concern, with several reports of damaged and potentially hazardous trees between 2019-2020, including one incident involving significant vehicle damage.

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

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Risk rating

How 2353 Union 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
42th percentile

Out of 861 buildings in this neighborhood, 499 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
73%
No DBI
violation
27%
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.

Estimated permit spend (past 7 years)

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

Owner's portfolio size

Number of SF parcels this owner is registered on — larger portfolios have distinct risk patterns.

12-Month severity forecast
No violation 55.7%
Moderate concern 15.0%
Severe concern 29.3%
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

2353 Union St 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 2353 Union 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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