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3310-3312 16Th St

Mission Dolores, SF 94114 3557011 6 units · 3 fl · 1906

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

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 3310-3312 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 1906
2 or more units
6 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
Units6
Floors3
Year built1906
Total area5,748 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3557011
Ownership

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

Owner name
Nantucket Ventures Llc
Mailing address
387 West Rd New Canaan CT 06840
Last sale
030299

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.

3310 16th St, San Francisco, CA 94114
3312 16th St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The three-story, six-unit multi-family residential building at 3310-3312 16th Street in Mission Dolores, owned by Nantucket Ventures LLC, was constructed in 1906 and has undergone several significant safety and maintenance upgrades in recent years. Most notably, the building completed its mandatory soft-story retrofit in 2017, demonstrating compliance with San Francisco's earthquake safety requirements. The property has received consistent attention to fire safety systems, with recent upgrades including a fire alarm system overhaul in March 2023 to comply with SFFC 1103.7.6.1, the installation of low-frequency sounders in 2023, and a complete electrical panel replacement in 2024 to address insurance requirements. Other important maintenance work includes a 2020 sewer line upgrade (house trap replacement and 14 feet of new line), stair repairs in 2019, and various historical maintenance tasks such as a roof replacement in 1998.

The building's history includes several notable violations and complaints, though most have been promptly addressed. In 2005, the property faced multiple violations related to fire safety, water heater ventilation, and egress obstructions, all of which were abated by September of that year. A 2017 complaint regarding the soft-story retrofit was also addressed. More recently, there have been concerns about building access security, with a 2023 complaint about a malfunctioning entry gate, and maintenance issues including missed garbage collection reported in 2019. The most recent service requests for the property from January 2025 primarily relate to street maintenance and abandoned items outside the building, rather than issues directly affecting the building itself.

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

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Risk rating

How 3310-3312 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
23th percentile

Out of 799 buildings in this neighborhood, 615 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
47%
No DBI
violation
53%
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.

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.

12-Month severity forecast
No violation 42.3%
Moderate concern 42.3%
Severe concern 15.4%
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

3310-3312 16Th St event timeline

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

2026
311 Request Jun 15
Garbage and debris
furniture
311 RequestJun 11
Garbage and debris

See all 13 events

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

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Every record we have

Full data for 3310-3312 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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