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1249-1251 12Th Ave

Inner Sunset, SF 94122 1738011 2 units · 2 fl · 1908

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 Sunset — not a forecast
Above average
avg 1.1
2
FewerMore

This building has 2 novs (7y), above the Inner Sunset average of 1.1.

The bar and the rating point different ways because they measure different things: the bar counts DBI violations already on file, the rating forecasts the next 12 months.

Rent & eviction protection

Is 1249-1251 12Th 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 1908
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 1908
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 built1908
Total area2,500 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1738011
Ownership

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

Owner name
Mailing address
1249 12th Ave San Francisco CA 94122
Last sale
February 01, 1994

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.

1251 12th Ave, San Francisco, CA 94122
1249 12th Ave, San Francisco, CA 94122
Augrented Insights
Initial analysis

The property at 1249-1251 12th Avenue is a two-unit, two-story multi-family residential building located in the Inner Sunset, built in 1908 and currently owned by Tony C. Shieh. The building has undergone several significant maintenance and improvement projects over the past three decades, including a $13,000 reroofing project in 2018, kitchen remodeling at unit #1251 in 1992, and a substantial $30,000 roof repair in 1992. In 2015, major repairs were completed on the detached rear garage's dry rotted sections, which measured approximately 12'-6" x 20'-6". The property faced a notable period of vacancy in 2016, which led to a complaint regarding failure to comply with the Vacant or Abandoned Building Ordinance, primarily due to signage and exterior maintenance issues; however, this violation was abated within two months.

The building's recent history has included various municipal service calls, with the most recent being related to an encampment issue in September 2024. There have been multiple complaints regarding tree-related concerns, including property damage from tree roots affecting sidewalks (reported in 2020 and 2022). Parking-related issues have been frequent, with several illegal parking complaints recorded between 2019 and 2024, though most were resolved through enforcement action. A single fire-related incident was recorded in November 2008, which was determined to have no merit. While the building has required regular maintenance and responded to various urban challenges typical of its location, there have been no recent serious safety concerns or significant structural issues noted in the available records.

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

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Risk rating

How 1249-1251 12Th 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
52ndpercentile

Out of 1493 buildings in this neighborhood, 717 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
83%
No DBI
violation
17%
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.

Building age

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

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 17%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

1249-1251 12Th Ave apartment reviews

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On the map

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The story over time

1249-1251 12Th 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 1249-1251 12Th Ave apartments

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

Side by side

How 1249-1251 12Th Ave compares to the neighborhood

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

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