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659 10Th Ave

Inner Richmond, SF 94118 1634006 2 units · 2 fl · 1977

A handful of records on file over the last seven years, and our model puts this building at a low risk of further maintenance problems in the next 12 months. A few records worth reading before you sign. Check whether they were closed out, and ask what was actually fixed.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Inner Richmond — not a forecast
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Inner Richmond average of 0.9.

Rent & eviction protection

Is 659 10Th 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 1977
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.

Statewide backstop · AB 1482

California Tenant Protection Act of 2019

Even when a building isn't covered by local rent stabilization, the statewide Tenant Protection Act (AB 1482) may still apply. It caps annual rent increases and requires the landlord to state a legal reason to end most tenancies.

15+ years since occupancy
Built 1977
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

AB 1482 does not apply to single-family homes and condos unless owned by a corporation, REIT, or an LLC with a corporate member; to owner-occupied duplexes; or to deed-restricted affordable housing. The Act is in effect until January 1, 2030. Not legal advice — see the California landlord–tenant guide.

Building characteristics
Units2
Floors2
Year built1977
Total area3,802 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1634006
Ownership

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

Mailing address
Sally S Y Sun Trustee 799 Arcadia Ave B Arcadia CA 91007
Last sale

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 659 10th Avenue is a two-unit multi-family residential building located in San Francisco's Inner Richmond neighborhood. Built in 1977 and classified as a Flats & Duplex building, the structure is currently owned by Sally S Y Sun Revocable Living Trust. The property has undergone several significant maintenance and improvement projects over the years, including a reroofing project in 2013 costing $9,100, and the installation of a new 40-gallon gas water heater in 2018 that services both units. Historical records show some concerning issues in 2000 when multiple building violations were recorded regarding water damage affecting interior surfaces, including walls, ceilings, and other locations, though these were abated by July 25, 2000.

The building has experienced various maintenance and infrastructure challenges, including severe water-related issues in 2008 with continuously running hot water in the bathroom shower and a non-functioning kitchen light. More recently, there were complaints in 2016 regarding unauthorized structures in the backyard, though these complaints are now listed as not active. The property's plumbing systems have required attention, as evidenced by multiple sewage-related incidents, including a backup in January 2016 and odor issues in October 2022. Recent service requests from 2022-2024 have included typical urban concerns such as illegal postings, parking violations, and general service requests to public works, suggesting ongoing management of both building-specific and neighborhood-related issues.

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

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Risk rating

How 659 10Th 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

Lower risk — safer than most nearby

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Typical — about average for the neighborhood

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Higher risk — riskier than most nearby

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
82ndpercentile

Out of 1723 buildings in this neighborhood, 310 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

RiskiestSafest
Predicted 12-month outcome
89%
No DBI
violation
11%
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.

Construction spend, owner's portfolio

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

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month risk forecast
Low failure risk 11%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

659 10Th Ave apartment reviews

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On the map

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The story over time

659 10Th 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 10Th Ave apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

Side by side

How 659 10Th Ave compares to the neighborhood

This building against comparable properties in Inner Richmond. Toggle filters to narrow the peer group.

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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