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1614-1620 Union St

Cow Hollow, SF 94123 0528002C 4 units · 2 fl · 1900

This building has more problems than most buildings in this neighborhood. 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
Above average
avg 0.7
1
FewerMore

This building has 1 novs (7y), above the Cow Hollow average of 0.7.

Rent & eviction protection

Is 1614-1620 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 1900
2 or more units
4 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
Units4
Floors2
Year built1900
Total area4,690 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0528002C
Ownership

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

Owner name
Green & Union Lp
Mailing address
Karl Kehl, President 1614 Union St San Francisco CA 94123
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.

1620 Union St, San Francisco, CA 94123
1614 Union St, San Francisco, CA 94123
1618 Union St, San Francisco, CA 94123
1616 Union St, San Francisco, CA 94123
Augrented Insights
Initial analysis

The 2-story, 4-unit multi-family residential building at 1614-1620 Union Street in Cow Hollow, owned by Green & Union LP, has undergone several significant renovations and faced some notable events since its construction in 1900. Most recently, in December 2024, there was a change of use conversion from office to personal/health services, while between 2016-2018 substantial improvements were made including the installation of a new ground floor slab, comprehensive plumbing upgrades including a combination boiler installation, electrical remodeling of a complete unit, and work to address a building code violation involving an unpermitted deck addition at the east elevation, which was abated by December 2020. The property has maintained regular housing inspections, with routine inspections conducted in 2007-2012 showing compliance, though records indicate historical structural work including framing repairs in 1989 and deck/fence repairs in 1987.

The building's maintenance history shows attention to infrastructure needs, including reroofing work in 1999 and stairway repairs in 1998. Recent months have seen a recurring issue with city garbage can overflow, with multiple reports filed between December 2024 and January 2025. While there have been four fire department responses to the address, none resulted in incidents requiring emergency intervention. The building's systems have received regular updates, including the installation of new plumbing fixtures, drainage systems, and heating equipment, indicating ongoing investment in property maintenance and improvements. The most recent significant change involved a permitted conversion of office space to health services use in late 2024, expanding the building's purpose beyond purely residential use while maintaining the existing occupancy classification.

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

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Risk rating

How 1614-1620 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
23th percentile

Out of 861 buildings in this neighborhood, 663 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.

DBI tenant complaints (past 7 years)

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

Building age

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

12-Month severity forecast
No violation 34.9%
Moderate concern 20.7%
Severe concern 44.4%
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

1614-1620 Union St event timeline

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

2025
311 Request Oct 23
Garbage and debris
human waste or urine

See all 5 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1614-1620 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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