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737-741 Rhode Island St

Potrero Hill, SF 94107 4072014 2 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 Potrero Hill
At or below average
avg 1.1
1
FewerMore

This building has 1 novs (7y), at or below the Potrero Hill average of 1.1.

Rent & eviction protection

Is 737-741 Rhode Island 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
2 units
Property type
Multi-Family Residential
Zoning
RH2
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
Units2
Floors2
Year built1907
Total area1,750 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot4072014
Ownership

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

Owner name
Proto Zachary
Mailing address
1082 Washington St Apt 2 San Francisco CA 94108
Last sale
021618

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.

741 Rhode Island St, San Francisco, CA 94107
737 Rhode Island St, San Francisco, CA 94107
Augrented Insights
Initial analysis

The two-unit multi-family residential building at 737-741 Rhode Island Street in Potrero Hill, owned by Zachary Proto, is a two-story flats and duplex structure built in 1907. The property has undergone several significant renovations and faced maintenance challenges over recent years. Most notably, there was a serious safety issue in 2019 when a dilapidated front fence/guard rail was documented as potentially unsafe, particularly concerning the risk of falls (with an 8-10 foot drop), though this violation was ultimately abated in May 2023 following the completion of a 4-foot fence installation. The building has demonstrated ongoing maintenance needs, including multiple roofing projects - with a $21,000 re-roofing permit issued in 2024 following a cancelled permit in 2023 - and a recent window replacement project completed in September 2024 involving seven new wood aluminum-clad double-hung windows.

The property has faced significant infrastructure challenges, particularly regarding sewage systems, with multiple sewer backup incidents recorded between 2020 and 2021 (six separate incidents over this period), suggesting persistent plumbing system issues. Historical maintenance records show attention to structural integrity, with dry rot repairs to stairs and walkways undertaken in 2018, and earlier repairs to front steps documented in 1988. The building underwent a legal process to confirm its two-unit status in 1995, and various repairs and improvements continue to be documented through building permits. Recent 311 calls indicate attention to exterior maintenance and infrastructure issues, including sidewalk repairs (2022) and tree damage (2022), though these appear to have been resolved. The comprehensive permit history and violation records suggest active management of the property's maintenance needs, with recent improvements focusing on exterior upgrades and structural repairs.

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

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Risk rating

How 737-741 Rhode Island 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
74th percentile

Out of 726 buildings in this neighborhood, 189 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.

DBI tenant complaints (past 7 years)

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

NOV rate, owner's portfolio

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

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 80.2%
Moderate concern 16.6%
Severe concern 3.1%
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

737-741 Rhode Island St event timeline

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

2024
Building Permit Sep 12
Replace (7) front windows to wood alumninum clad double hung in existing openings
$13,000 · Complete
Planning RecordSep 12
Replace seven windows at front with aluminum clad wood double-hung.

See all 8 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 737-741 Rhode Island St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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