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830 Union St

Russian Hill, SF 94133 0100015 5 units · 3 fl · 1949

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 830 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 1949
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
Floors3
Year built1949
Total area6,165 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0100015
Ownership

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

Owner name
Chin Him Hai Lee Revoc Tr
Mailing address
Young Lily Chin Successor T 616 Shellsilver Ct San Ramon CA 94582
Last sale
000000

Landlord portfolio

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

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Augrented Insights
Initial analysis

830 Union Street is a three-story, five-unit multi-family residential building located in San Francisco's Russian Hill neighborhood, constructed in 1949 and currently held in the Chin Him Hai Lee Revocable Trust. The building's documented history shows several significant safety-related incidents in 2005, when a routine housing inspection revealed multiple fire safety concerns including issues with smoke detectors, a central alarm system requiring repairs, and fire extinguisher recharge needs. These violations were all addressed and abated by June 16, 2005. More recently, there was a complaint in 2015 regarding unauthorized construction activity involving concrete loading, though this issue similarly became inactive without recorded resolution details.

The property's maintenance history includes a completed reroofing project from August 1992 and a street space permit issued in July 2006. Recent external factors affecting the building's vicinity include multiple 311 calls between 2020-2024, primarily related to exterior maintenance issues such as illegal postings, sidewalk blockages, and graffiti. Two fire-related incidents were recorded, though neither resulted in civilian injuries or indicated significant structural damage - one was an unintentional alarm system activation with no fire, and the other involved a minor fire described as "other." A recent planning record from 94133 indicates a withdrawn proposal for a Verizon wireless facility installation on a nearby SFPUC-owned light pole.

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

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Risk rating

How 830 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
31th percentile

Out of 1133 buildings in this neighborhood, 782 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
59%
No DBI
violation
41%
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.

Neighborhood location

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

Building permits, owner's portfolio

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

12-Month severity forecast
No violation 38.7%
Moderate concern 18.5%
Severe concern 42.8%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

830 Union St apartment reviews

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The story over time

830 Union St event timeline

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

2026
Plumbing Permit Apr 08
Work category: 1p; water heater replacements for units 3 and 4
Issued

See all 1 events

Full history back to 2026 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 830 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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