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846-850 Union St

Russian Hill, SF 94133 0100044 5 units · 2 fl · 1907

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 846-850 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 1907
2 or more units
5 units
Property type
Multi-Family Residential
Zoning
RM1
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
Units5
Floors2
Year built1907
Total area5,348 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0100044
Ownership

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

Owner name
Kgc Holdings Llc
Mailing address
751 La Canada La Jolla CA 92037
Last sale
090519

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.

850 Union St, San Francisco, CA 94133
846 Union St, San Francisco, CA 94133
Augrented Insights
Initial analysis

The two-story multi-family residential building at 846-850 Union Street in Russian Hill, owned by Kgc Holdings LLC, was constructed in 1907 and originally contained 4 units (now 5). The property has undergone significant renovations over the years, with substantial work occurring between 2009 and 2011, including interior floor alterations, structural reinforcements (new beams, posts, and footings), and extensive plumbing and electrical upgrades. The 2011 work included the installation of new gas furnaces, ducting, water heaters, and kitchen/bathroom remodels across multiple floors. The building's exterior received attention during this period with plans for new windows, doors, dormers, skylights, and deck improvements. More recently, the property underwent reroofing work completed in March 2024 at a cost of $19,000.

The building's maintenance history shows regular upkeep, though several permits from 2011 expired rather than being completed. The property has had two routine housing inspections (in 2000 and 2006) that were resolved without noted issues. Between 2018 and 2020, there were multiple 311 calls related to street and sidewalk cleaning issues near the property, primarily concerning waste and hazardous materials, though these were generally not directly related to the building itself and were promptly addressed by Public Works Department. A notable planning record from 2011 detailed a substantial renovation project that included seismic/structural upgrades, system improvements, and significant interior and exterior modifications.

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

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Risk rating

How 846-850 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
62th percentile

Out of 1133 buildings in this neighborhood, 431 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
80%
No DBI
violation
20%
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 age

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

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

12-Month severity forecast
No violation 51.0%
Moderate concern 15.7%
Severe concern 33.3%
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

846-850 Union St event timeline

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

2024
Building Permit Mar 06
Reroofing
$19,000 · Complete

See all 1 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 846-850 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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