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845-849 Union St

Russian Hill, SF 94133 0119037 3 units · 2 fl · 1906

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 Russian Hill
At or below average
avg 1.9
0
FewerMore

This building has 0 novs (7y), at or below the Russian Hill average of 1.9.

Rent & eviction protection

Is 845-849 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
3 units
Property type
Multi-Family Residential
Zoning
RM2
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 built1906
Total area3,400 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0119037
Ownership

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

Owner name
David B Beleson Lvg Tr
Mailing address
Richard M Beleson, Ttee 849 Union St San Francisco CA 94133
Last sale
040402

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.

845 Union St, San Francisco, CA 94133
847 Union St, San Francisco, CA 94133
849 Union St, San Francisco, CA 94133
Augrented Insights
Initial analysis

The three-unit residential building at 845-849 Union Street in Russian Hill is a two-story flats and duplex structure built in 1906, currently owned by the David B Beleson Living Trust. The building has undergone several significant maintenance and upgrade projects over the years, including the installation of a new rear deck in 2006 (though this permit eventually expired) and a major plumbing upgrade in 2018 with the installation of a house trap and sewer lateral. The property experienced a series of building violations in 2005 related to safety and fire prevention, including issues with smoke detectors, fire extinguishers, emergency exits, and staircase repairs, though all these violations were officially abated by April 2008 following a routine inspection.

Recent records show ongoing external maintenance needs and neighborhood concerns, including multiple reports of driveway blocking between 2021 and 2023, and a damaged tree report from 2022 that remains open. The most recent permit activity includes an invalid temporary sign request from January 2024. The building's historical records indicate attention to proper permitting processes, such as the seeking of a Rear Yard Variance in 2006 to replace the rear deck in-kind, though most street space permits issued in 2006-2007 had no associated costs.

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

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Risk rating

How 845-849 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
74th percentile

Out of 1133 buildings in this neighborhood, 295 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
83%
No DBI
violation
17%
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.

Estimated permit spend (past 7 years)

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

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

Building permits, owner's portfolio

Permits pulled across all of this owner's buildings over 7 years.

12-Month severity forecast
No violation 64.5%
Moderate concern 22.3%
Severe concern 13.2%
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

845-849 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 845-849 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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