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1700-1704 Union St

Cow Hollow, SF 94123 0529002A 3 units · 3 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 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 1700-1704 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
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
Units3
Floors3
Year built1906
Total area5,727 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0529002A
Ownership

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

Owner name
H/S Partners Ii Lp
Mailing address
1704 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.

1704 Union St, San Francisco, CA 94123
1700 Union St, San Francisco, CA 94123
Augrented Insights
AI summary

The three-unit, three-story multi-family residential building at 1700-1704 Union Street in Cow Hollow, owned by H/s Partners Ii Lp, has a history dating back to 1906. The property has undergone several maintenance and improvement projects over the years, including a roof deck handrail repair in 2008, stairway extension to the roof in 1984, and interior partition modifications in 1986. More recent developments include two complaints filed in September 2024 regarding unauthorized residential use of a unit within a medical commercial space, though these cases are currently listed as not active. The building has experienced four false fire alarm incidents and one contained cooking fire, with no reported injuries in any of these events.

The property has had multiple street space permits issued between 1984 and 2016, though one from 2008 was revoked. Recent maintenance issues have generally been addressed promptly, including tree maintenance and various sidewalk cleaning matters. Between June 2024 and January 2025, there have been several 311 calls regarding the property, primarily concerning garbage, debris, and street maintenance issues, all of which were resolved. While there were proposals for wireless telecommunications installations by AT&T and Verizon between 2014 and 2016, these projects were either withdrawn or closed. The building's most recent notable activity involves a December 2024 sewer service request that was resolved, and there are open matters related to a tree maintenance request from December 2024.

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Risk rating

How 1700-1704 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
63th percentile

Out of 861 buildings in this neighborhood, 319 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.

Building age

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

NOV rate, owner's portfolio

Per-building NOV rate across everything this owner manages — high rates signal pattern neglect.

DBI complaints, owner's portfolio

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

12-Month severity forecast
No violation 65.8%
Moderate concern 25.7%
Severe concern 8.5%
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

1700-1704 Union St event timeline

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

2024
DBI Complaint Sep 10
Unit within medical commercial space is being used a living unit by sub. there is a bed and electrical cooking smallappliances in unit.
Housing Inspection Services
DBI ComplaintSep 06
Unit within medical commercial space is being used a living unit by sub. there is a bed and electrical cooking small appliances in unit.

See all 10 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1700-1704 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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