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1850 Gough St

Pacific Heights, SF 94109 0641008 40 units · 7 fl · 1931

This building has significantly more problems than most nearby buildings. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Pacific Heights
At or below average
avg 1.4
0
FewerMore

This building has 0 novs (7y), at or below the Pacific Heights average of 1.4.

Rent & eviction protection

Is 1850 Gough 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 1931
2 or more units
40 units
Property type
Multi-Family Residential
Zoning
RM3
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
Units40
Floors7
Year built1931
Total area42,052 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0641008
Ownership

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

Owner name
Switzer Investment Llc
Mailing address
C/o Susan Lowenberg, Lowenb 235 Montgomery St Ste 800 San Francisco CA 94104
Last sale
051299

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 1850 Gough Street property is a 7-story, 40-unit multi-family residential building constructed in 1931, currently owned by Switzer Investment LLC. The building has undergone several significant improvements and faced various maintenance challenges over the years. Most recently, in December 2023, a sound test conducted by Byington Electric revealed decibel levels above 77 in all sleeping rooms, leading to scheduled sample testing with the San Francisco Fire Department. The building has experienced recurring issues with water damage and plumbing concerns, particularly in unit 605, where problems with shower plumbing and water damage were documented between 2014-2017. This unit's maintenance history includes unauthorized plumbing work that prompted multiple housing inspections.

The building's safety systems have received attention over the years, with major upgrades including the replacement of 419 windows in 2001 (permit expired), installation of a new control panel in 2007, and comprehensive life safety system upgrades including smoke detectors, heat detectors, and alarm systems. Fire safety inspections have revealed some recent concerns, including a sleeping area violation issued in November 2023 and a fire extinguisher-related issue in June 2023 (corrected by August 2023). Historical maintenance work includes reroofing in 1996, parapet work in 1991, and various street space permits. The building has experienced issues with exterior maintenance and window problems, particularly noted during 2017 inspections. Recent 311 calls from late 2024 indicate ongoing challenges with garbage management in the vicinity of the property, though these are external to the building itself.

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

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Risk rating

How 1850 Gough 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
17th percentile

Out of 963 buildings in this neighborhood, 799 are predicted to be safer.

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

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

12-Month severity forecast
No violation 15.0%
Moderate concern 80.5%
Severe concern 4.5%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

1850 Gough St event timeline

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

2025
311 Request Oct 30
Garbage and debris
mattress
311 RequestOct 03
Public works

See all 9 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1850 Gough 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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