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659-661 39Th Ave

Outer Richmond, SF 94121 1582012 2 units · 2 fl · 1924

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 Outer Richmond
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Outer Richmond average of 0.7.

Rent & eviction protection

Is 659-661 39Th Ave 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 1924
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
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 built1924
Total area3,055 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1582012
Ownership

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

Owner name
Yu Carey
Mailing address
Joseph Lee 2016 Trust 661 39Th Ave San Francisco CA 94121
Last sale
112717

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.

661 39th Ave, San Francisco, CA 94121
659 39th Ave, San Francisco, CA 94121
Augrented Insights
Initial analysis

The property at 659-661 39th Avenue is a two-unit, two-story multi-family residential building located in San Francisco's Outer Richmond neighborhood. Built in 1924 and classified as a Flats & Duplex, the building is currently owned by Yu Carey. The building has experienced several notable events throughout its history, with some recurring issues in recent years. Most concerning is a pattern of sewage-related problems, with two documented sewage back-ups in 2024 and 2021, both involving 4-inch vents. The property has also experienced multiple parking-related incidents recently, including citations for sidewalk parking in June 2024, a driveway blocking case in September 2019, and another sidewalk parking incident in April 2021. Historical records show some attempted improvements to the building's structure, including a cancelled permit in 2004 for a horizontal extension to the second floor and work completed in 1990 for vertical and horizontal additions. The 1989-1991 period shows attention to safety features, with the installation of fire escape token heads and work related to a retaining wall. Additionally, the property has had two documented animal control service requests in 2018, though these were resolved without incident. The building's permit and service request history suggests ongoing challenges with plumbing systems and parking enforcement in the immediate vicinity, while also indicating past efforts at building improvements and safety upgrades.

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

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Risk rating

How 659-661 39Th Ave'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
57th percentile

Out of 1040 buildings in this neighborhood, 447 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
86%
No DBI
violation
14%
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.

Construction spend, owner's portfolio

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

DBI complaint rate, owner's portfolio

Per-building complaint rate across the owner's portfolio.

12-Month severity forecast
No violation 77.5%
Moderate concern 13.8%
Severe concern 8.7%
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

659-661 39Th Ave event timeline

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

No dated public records on file yet.
Every record we have

Full data for 659-661 39Th Ave 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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