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1239 17Th St

Potrero Hill, SF 94107 3985027 3 units · 3 fl · 1922

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 Potrero Hill — not a forecast
At or below average
avg 1.1
0
FewerMore

This building has 0 novs (7y), at or below the Potrero Hill average of 1.1.

Rent & eviction protection

Is 1239 17Th 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 1922
2 or more units
3 units
Property type
Multi-Family Residential
Zoning
M1
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 1922
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
Units3
Floors3
Year built1922
Total area4,832 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot3985027
Ownership

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

Mailing address
Tabios Horlino Mamaclay, Tt 1239 17Th St San Francisco CA 94107
Last sale

Landlord portfolio

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

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

105 Missouri St, San Francisco, CA 94107
1239 17th St, San Francisco, CA 94107
103 Missouri St, San Francisco, CA 94107
101 Missouri St, San Francisco, CA 94107
Augrented Insights
Initial analysis

The 1239 17th Street property in Potrero Hill is a three-story multi-family residential building constructed in 1922, containing three units and owned by Horlino Tabios Revocable Living Trust. The building has undergone numerous renovation attempts and modifications over the years, with several significant projects being proposed or initiated but ultimately withdrawn or cancelled, including multiple attempts to add additional units between 2013-2015 and a soft-story retrofit in 2021. Completed improvements from recent years include wood siding replacement (2020), reroofing (2020), and the installation of a tankless water heater. The building has experienced recurring issues with its plumbing and fire safety systems, including a plumbing complaint in 2020 regarding an unpermitted water heater installation, and multiple fire safety violations related to sprinkler systems and combustible materials between 2014-2022, though these were generally corrected or marked as having no merit.

The property has a notable history of unauthorized unit concerns, with active planning records discussing the legalization of a third unit and the creation of an ADU in 2021. Historical records show a potential illegal backyard unit complaint from 1998, and there was a significant roof leak issue documented in 1998 that reportedly remained unresolved until 2010. The building's systems have required extensive electrical and plumbing work, with numerous permits issued for comprehensive electrical installations and plumbing renovations completed in 2009-2010, including updates to all floors' electrical systems and the installation of new heating equipment. Recent 311 calls from late 2024 indicate ongoing exterior maintenance issues, particularly with debris and graffiti around the property.

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

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Risk rating

How 1239 17Th 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

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
61stpercentile

Out of 726 buildings in this neighborhood, 283 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
80%
No DBI
violation
20%
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.

Property class: apartment building

Apartment building — this property classification influences expected violation rates.

Neighborhood location

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

12-Month risk forecast
Low failure risk 20%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

1239 17Th St apartment reviews

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On the map

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The story over time

1239 17Th St event timeline

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

2026
311 Request Jul 17
Blocking driveway cite only
Parking Enforcement

See all 12 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1239 17Th St apartments

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

Side by side

How 1239 17Th St compares to the neighborhood

This building against comparable properties in Potrero Hill. 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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