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3476-3480 16Th St

Eureka Valley/Dolores Heights, SF 94114 3558021 3 units · 3 fl · 1912

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 Eureka Valley/Dolores Heights
At or below average
avg 1.3
0
FewerMore

This building has 0 novs (7y), at or below the Eureka Valley/Dolores Heights average of 1.3.

Rent & eviction protection

Is 3476-3480 16Th 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 1912
2 or more units
3 units
Property type
Multi-Family Residential
Zoning
RH3
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 built1912
Total area4,500 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3558021
Ownership

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

Owner name
F Loy & Helen Fong Fmly Tru
Mailing address
Huie Sonja J F & Fong Gene 848 Duncan St San Francisco CA 94131
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.

3478 16th St, San Francisco, CA 94114
3476 16th St, San Francisco, CA 94114
3480 16th St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The three-unit multi-family residential building at 3476-3480 16th Street, owned by F Loy & Helen Fong Family Trust, is a 3-story flats and duplex structure built in 1912. The property has undergone several significant improvements and maintenance work over the past decades, including a 2010 window upgrade from aluminum single-pane to vinyl double-pane windows, replacement of approximately 22 rotted steps in 2010, and installation of a direct vent gas fireplace in 2016. In 2016, concerns were raised about peeling lead paint on the west wall, particularly affecting the 3rd and 4th floors, with attention drawn to potential risks for children in the vicinity. The building experienced multiple violations in 2004 related to fire safety and lighting, though these were successfully abated by October 2004.

The property's maintenance history includes various routine inspections dating back to 1995, and several improvements to safety features such as rear stair and basement motion detector lighting installation in 2004. Recent external issues documented through 311 calls primarily involve street-level concerns such as graffiti (most recently in 2021-2022), sidewalk parking violations (2023), and occasional reports of waste on the street or sidewalk (2018-2019). The most recent documented building-specific work was a street space permit issued in 2017, suggesting some form of exterior modification, though the cost was listed as $0. The property's documented history shows regular maintenance and prompt responses to violations, with no active building code or safety violations currently on record.

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

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Risk rating

How 3476-3480 16Th 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
39th percentile

Out of 1278 buildings in this neighborhood, 780 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
68%
No DBI
violation
32%
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.

NOV rate, owner's portfolio

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

Permit rate, owner's portfolio

Per-building permit rate across the owner's portfolio.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

12-Month severity forecast
No violation 57.6%
Moderate concern 20.1%
Severe concern 22.4%
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

3476-3480 16Th St event timeline

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

No dated public records on file yet.
Every record we have

Full data for 3476-3480 16Th 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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