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311-321 Turk St

Tenderloin, SF 94102 0345016 14 units · 3 fl · 1920

This building has a higher-than-average number of open problems nearby. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Tenderloin
At or below average
avg 12.0
0
FewerMore

This building has 0 novs (7y), at or below the Tenderloin average of 12.0.

Rent & eviction protection

Is 311-321 Turk 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 1920
2 or more units
14 units
Property type
Multi-Family Residential
Zoning
RC4
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
Units14
Floors3
Year built1920
Total area14,938 sq ft
Property typeMulti-Family Residential
Tax statusWelfare
Blocklot0345016
Ownership

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

Owner name
Curry Senior Center
Mailing address
333 Turk St San Francisco CA 94102
Last sale
091919

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.

311 Turk St, San Francisco, CA 94102
315 Turk St, San Francisco, CA 94102
321 Turk St, San Francisco, CA 94102
Augrented Insights
Initial analysis

The 14-unit, 3-story multi-family residential building at 311-321 Turk Street, currently owned by the Curry Senior Center, was constructed in 1920 and has undergone several significant renovations and faced various maintenance challenges throughout its history. Most notably, the building has experienced multiple water damage incidents, with repairs documented in 2014 (including window and cabinetry work in unit 6) and earlier in 2011. The property has received substantial safety upgrades, including the installation of a complete wet pipe fire sprinkler system ($50,000) and a fire alarm system ($10,000) in 2002, followed by additional fire safety improvements through 2024. Recent fire safety concerns have emerged, with multiple violations issued between 2023-2024 regarding alarm systems and sprinkler/standpipe systems, though some have been marked as "Condition Corrected."

The building has a documented history of maintenance and compliance issues, including three instances of no heat complaints in 2024 and routine safety inspections revealing various violations such as egress obstructions, fire escape maintenance issues, and the need for carbon monoxide alarms in 2016. Earlier maintenance problems from 1995-1997 included plumbing and drainage issues in multiple units. Recent 311 calls from January 2025 highlight ongoing concerns with garbage and debris around the property, though many were promptly resolved. The building's management has generally addressed violations within a reasonable timeframe, as evidenced by multiple cases marked as "Resolved" or "Condition Corrected." The property underwent significant improvements in the early 2000s, including a major basement renovation with new electrical, mechanical, and plumbing systems valued at $1.5 million, indicating substantial investment in infrastructure at that time.

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

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Risk rating

How 311-321 Turk 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
86th percentile

Out of 172 buildings in this neighborhood, 24 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
35%
No DBI
violation
65%
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.

Building size

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

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

Property class

The assessor's property-class code, which correlates with building type and the violation rates the model expects. This code is grouped with other less-common classes.

12-Month severity forecast
No violation 5.1%
Moderate concern 72.6%
Severe concern 22.3%
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

311-321 Turk St event timeline

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

2026
Electrical Permit Apr 24
Install door outlet
Complete
311 RequestJan 02
Abandoned vehicle

See all 8 events

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

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Every record we have

Full data for 311-321 Turk 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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