Free SF apartment background check

2088-2098 Union St

Cow Hollow, SF 94123 0532017 7 units · 3 fl · 1906

This building has significantly more problems than most nearby buildings. 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 2088-2098 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 1906
2 or more units
7 units
Property type
Multi-Family Residential
Zoning
UNION
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
Units7
Floors3
Year built1906
Total area10,600 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0532017
Ownership

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

Owner name
Union St Property Trust 1
Mailing address
Dionisio Rossi 63 Paul Dr San Rafael CA 94903
Last sale
000000

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.

2088 Union St, San Francisco, CA 94123
2090 Union St, San Francisco, CA 94123
2918 Webster St, San Francisco, CA 94123
2098 Union St, San Francisco, CA 94123
Augrented Insights
Initial analysis

The three-story, seven-unit multi-family residential building at 2088-2098 Union Street in San Francisco's Cow Hollow neighborhood, operated by Union St Property Trust 1, was constructed in 1906 and has undergone significant recent changes. In late 2022 and early 2023, substantial improvements were made to the ground floor commercial space, including approximately $500,000 in interior renovations, installation of new HVAC units, and plumbing upgrades, while the retail space transitioned to a clothing store (Vuori). Several building permit applications were filed and completed during this period, including the installation of illuminated channel letters and wall signs. The building's recent maintenance history shows attention to safety systems, with a 2014 fire alarm system replacement and fire extinguisher-related inspection in 2024, though there was one instance of blocked exits in 2015 that was promptly corrected.

The property has experienced multiple fire alarm activations, though all were determined to be either malfunction-related or related to non-fire incidents like cooking. A variance request to convert upper floors from residential to office use without providing off-street parking was disapproved. Recent records from 2024-2025 show recurring issues with street cleaning, including multiple reports of overflowing city garbage cans and debris, though these are not directly related to the building's condition. Two minor complaints were filed in 2023 and 2024, one regarding a retail shelving installation and the other concerning a vacant structure, both of which were promptly addressed. The building's systems have received regular updates, including electrical system improvements in 2013 and plumbing upgrades in 2014-2022, indicating ongoing maintenance and modernization efforts by the ownership.

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

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Risk rating

How 2088-2098 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
14th percentile

Out of 861 buildings in this neighborhood, 740 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
53%
No DBI
violation
47%
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.

Building size

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

DBI tenant complaints (past 7 years)

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

12-Month severity forecast
No violation 43.8%
Moderate concern 47.4%
Severe concern 8.7%
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

2088-2098 Union St event timeline

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

2025
311 Request Aug 25
Sewage back-up discharge
from side sewer vent
311 RequestApr 18
Not offensive

See all 16 events

Full history back to 2022 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 2088-2098 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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