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1109 Tennessee St

Central Waterfront/Dogpatch, SF 94107 4172036 2 units · 2 fl · 1900

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 Central Waterfront/Dogpatch
At or below average
avg 2.0
0
FewerMore

This building has 0 novs (7y), at or below the Central Waterfront/Dogpatch average of 2.0.

Rent & eviction protection

Is 1109 Tennessee 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 1900
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
NC2
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 built1900
Total area2,074 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot4172036
Ownership

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

Owner name
Fong Jason Gang Wu
Mailing address
1109 Tennessee St San Francisco CA 94107
Last sale
000000

Landlord portfolio

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

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Augrented Insights
Initial analysis

The two-unit residential property at 1109 Tennessee Street is a two-story duplex built in 1900, currently owned by Jason Gang Wu Fong. The building has undergone several improvements and faced some compliance issues over the years, with the most significant concerns revolving around safety features and historic compliance. In 2006 and again in 2014, garage door modifications were undertaken, with the 2014 project properly permitting the replacement of the garage door and installation of new wood handrail and newel posts at the front stairs for $3,500. However, there was some controversy in 2006 regarding unpermitted alterations to the handrail at the garage door, which were reportedly non-compliant with building and planning codes in the historic district.

Safety concerns were initially raised in March 2006 when a violation was filed regarding the lack of required guardrail/handrail assembly on the front stairs, though this issue was eventually abated in February 2012, suggesting resolution of the safety concern. The property has experienced some maintenance issues in recent years, including an open 311 call from May 2022 regarding a missing side sewer vent cover, and a 2017 incident of graffiti that was resolved by city services. The building's historic character has been a focal point of some inspections, particularly regarding garage door modifications that were noted as not complying with historic guidelines, though subsequent permitted work appears to have addressed many of these concerns.

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

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Risk rating

How 1109 Tennessee 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
38th percentile

Out of 74 buildings in this neighborhood, 46 are predicted to be safer.

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

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

12-Month severity forecast
No violation 66.4%
Moderate concern 28.3%
Severe concern 5.4%
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

1109 Tennessee St event timeline

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

2025
311 Request Dec 22
Garbage and debris
other loose garbage debris yard waste
311 RequestDec 22
Garbage and debris

See all 2 events

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

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Every record we have

Full data for 1109 Tennessee 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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