Free SF apartment background check

230 11Th St

South of Market, SF 94103 3516005 15 units · 4 fl · 1912

This building has significantly more problems than most nearby buildings. Renters here report frequent, slow-to-fix problems. Get repair promises in writing and check the unit before signing.

NOVs (7y) vs. neighborhood
Compared to a typical building in South of Market
At or below average
avg 3.3
0
FewerMore

This building has 0 novs (7y), at or below the South of Market average of 3.3.

Rent & eviction protection

Is 230 11Th 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 1912
2 or more units
15 units
Property type
Multi-Family Residential
Zoning
SLR
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
Units15
Floors4
Year built1912
Total area12,894 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3516005
Ownership

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

Owner name
William H & Sandra L Hedden
Mailing address
Hedden William H & Sandra L 1512 Floribunda Ave Apt 301 Burlingame CA 94010
Last sale
041818

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 15-unit apartment building at 230 11th Street in San Francisco's South of Market neighborhood has undergone significant upgrades and faced several challenges since its construction in 1912. The property experienced substantial fire damage in 2012, leading to extensive repairs and improvements including a complete building renovation costing $350,000. This renovation phase included the addition of two new apartments, a roof terrace, and major updates to all units' kitchens, bathrooms, and utilities. Subsequent safety upgrades were implemented, including a new fire sprinkler system with 141 heads ($30,000), a comprehensive fire alarm system, and complete electrical rewiring ($128,800). The building has maintained active compliance with fire safety requirements, evidenced by a recent sound level verification in sleep areas completed in July 2023, though a sleeping area violation was issued in July 2024 which was subsequently abated.

The property has undergone numerous infrastructure improvements including new gas furnace systems, radiant heating, complete plumbing upgrades, and foundation repairs. A notable tenant buyout occurred in December 2017 for $14,500. Recent complaints in 2024 have primarily related to building exterior issues such as graffiti and debris on public property, while internal systems have shown good maintenance records with regular inspections and prompt addressing of violations. Historical context shows the building was subject to routine safety inspections in the early 2000s, and there were previous issues with fire safety equipment and stairway storage, though these were resolved. A unique aspect of the building's history involved multiple complaints regarding illegal commercial activities in 2015-2016, including unauthorized marijuana cultivation and deliveries, though these issues were ultimately abated through proper enforcement actions.

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

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Risk rating

How 230 11Th 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
13th percentile

Out of 430 buildings in this neighborhood, 374 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
18%
No DBI
violation
82%
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.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

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 10.4%
Moderate concern 69.2%
Severe concern 20.4%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

230 11Th St apartment reviews

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The story over time

230 11Th St event timeline

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

2026
311 Request May 22
Encampment
Encampment

See all 7 events

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

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Every record we have

Full data for 230 11Th 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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