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2744-2748 Union St

Cow Hollow, SF 94123 0947033 3 units · 2 fl · 1936

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 2744-2748 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 1936
2 or more units
3 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
Units3
Floors2
Year built1936
Total area3,800 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0947033
Ownership

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

Owner name
Union Street Tr
Mailing address
Danielsen Duane M Trustee 11434 Mapleleaf Ct San Diego CA 92131
Last sale
102319

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

2744 Union St, San Francisco, CA 94123
2748 Union St, San Francisco, CA 94123
2746 Union St, San Francisco, CA 94123
Augrented Insights
Initial analysis

This 3-unit multi-family residential building, located at 2744-2748 Union Street in Cow Hollow, was constructed in 1936 and is owned by Union Street Tr. The property has undergone several significant renovations over the past decade, with the most recent work completed in October 2023 involving upgrades to two bathrooms including new fixtures and wall tiles, with associated electrical and plumbing work now completed as of February 2024. Earlier improvements include substantial kitchen and bathroom renovations in 2015 totaling approximately $32,000, and re-roofing work in 2019 costing $27,000. The building experienced notable issues with lead paint hazards in 2013, leading to multiple complaints and violations regarding damaged paint and unsafe containment practices, though these were abated by February 2014. Historical records show earlier maintenance work in 1999 addressed rot and fungus damage in the lightwell, and in 1992 the linoleum flooring in the kitchen and laundry areas was replaced.

The property has maintained regular upkeep of essential systems, including electrical upgrades with the installation of a new 200-amp main service in 2015, though there were two electrical permit expirations during that renovation period. The building's exterior and surrounding area have seen various maintenance activities, including street space and sidewalk repairs in 2016, though there have been occasional issues with garbage debris (most recently in September 2024) and abandoned vehicles near the property, which were resolved through normal enforcement channels. Recent inspection history shows no active violations, and all identified issues have been properly addressed, with the last lead-related complaints being resolved in 2014.

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

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Risk rating

How 2744-2748 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
94th percentile

Out of 861 buildings in this neighborhood, 52 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
92%
No DBI
violation
8%
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.

Owner's portfolio size

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

Final warnings, owner's portfolio

Final warnings issued across all buildings this owner is registered on.

12-Month severity forecast
No violation 88.3%
Moderate concern 7.7%
Severe concern 4.0%
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

2744-2748 Union St event timeline

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

2024
Plumbing Permit Feb 13
Work category: 1p; inspect 2 new shower pans.
Complete

See all 6 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 2744-2748 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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