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3221 16Th St

Mission Dolores, SF 94103 3567044 2 units · 2 fl · 1938

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 Mission Dolores
At or below average
avg 2.9
0
FewerMore

This building has 0 novs (7y), at or below the Mission Dolores average of 2.9.

Rent & eviction protection

Is 3221 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 1938
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
VALEN
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 built1938
Total area3,520 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3567044
Ownership

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

Owner name
Louie/Cheung Fmy T
Mailing address
Cheung Lena Lai Trustee 5 La Strada Ct Burlingame CA 94010
Last sale
050500

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit, two-story multi-family residential building at 3221 16th Street in Mission Dolores, owned by Louie/Cheung Fmy T, was constructed in 1938 and has undergone several significant maintenance and upgrade projects over the years. Most notably, in 2019 the electrical system received a substantial upgrade with the installation of new equipment and a 200-amp service, responding to PG&E requirements. The building's maintenance history includes reroofing work completed in 2010 at a cost of $7,200. A series of fire safety incidents have been recorded, though none resulted in injuries or significant damage - these include a cooking fire contained to a container, a carbon monoxide detector activation with no CO present, and an incident of arcing/shorted electrical equipment.

Recent infrastructure issues have emerged in 2024, particularly regarding sewer vent covers, with multiple reports of missing side sewer vent covers between August 26-27. The property has experienced several municipal service issues in late 2024, including parking enforcement requests, a color curb complaint, and encampment-related concerns, though most of these cases were either unable to be located or resolved by authorities. The building's immediate vicinity has faced some waste management challenges, with multiple reports of garbage and debris issues in January 2025, including overflowing city garbage cans. While these recent environmental concerns may affect resident experience, it's worth noting that similar issues appear to be affecting the broader neighborhood rather than being unique to this property.

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

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Risk rating

How 3221 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
90th percentile

Out of 799 buildings in this neighborhood, 80 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
85%
No DBI
violation
15%
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.

Neighborhood (ZIP code)

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

Building size

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

Construction spend, owner's portfolio

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

12-Month severity forecast
No violation 69.6%
Moderate concern 10.7%
Severe concern 19.7%
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

3221 16Th St event timeline

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

2026
311 Request Mar 26
Not offensive
sidewalk in front of property
311 RequestMar 26
Not offensive

See all 5 events

Full history back to 2025 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 3221 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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