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617-619 Natoma St

South of Market, SF 94103 3727040 4 units · 2 fl · 1911

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 South of Market
Above average
avg 3.3
4
FewerMore

This building has 4 novs (7y), above the South of Market average of 3.3.

Rent & eviction protection

Is 617-619 Natoma 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 1911
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
RED
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
Units4
Floors2
Year built1911
Total area2,880 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3727040
Ownership

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

Owner name
Chan Wesley & Charlene
Mailing address
Urban Pioneer Property Mgmt 100 Green St San Francisco CA 94111
Last sale
042721

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.

617 Natoma St, San Francisco, CA 94103
619 Natoma St, San Francisco, CA 94103
Augrented Insights
Initial analysis

The 4-unit, 2-story apartment building at 617-619 Natoma Street in San Francisco's South of Market neighborhood, owned by Wesley & Charlene Chan, was built in 1911 and has undergone several significant renovations and faced various maintenance challenges over the years. Most recently, in 2024, the building has experienced multiple issues including broken windows and paint drippage (June 2024), light flickering and fan problems (October 2024), and excessive noise complaints (May 2024). A substantial sewer-related incident occurred in August 2018, involving water intrusion in the basement that was linked to the building's sewer lateral connection, though this was subsequently resolved through complete replacement of the sewer line and house trap in September 2018. The building has undergone several renovation projects, including comprehensive updates to multiple units' kitchens and bathrooms in 2001 ($25,000) and electrical improvements in 2005.

The property has a documented history of safety and maintenance issues, particularly in the 2004-2005 period when multiple violations were filed including problems with fire safety elements (e.g., missing fire extinguishers, electrical outlets, and egress obstructions), though these were all abated by June 2005. More recent fire safety concerns include violations for sleeping area requirements (October 2023), alarm system maintenance (2021), and sprinkler systems (2017-2018). The building has experienced recurring issues with public space maintenance, as evidenced by multiple 311 calls in late 2024 regarding graffiti and debris. While many historical violations and complaints have been resolved, the property continues to show patterns of periodic maintenance issues and violations related to both building systems and safety infrastructure.

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

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Risk rating

How 617-619 Natoma 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
34th percentile

Out of 430 buildings in this neighborhood, 284 are predicted to be safer.

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

Neighborhood (ZIP code)

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

12-Month severity forecast
No violation 48.3%
Moderate concern 33.6%
Severe concern 18.1%
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

617-619 Natoma St event timeline

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

2024
DBI Complaint Oct 10
Light flickering and fan issue
Housing Inspection Services
311 RequestJun 28
Garbage and debris

See all 13 events

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

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Every record we have

Full data for 617-619 Natoma 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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