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241-243 Mississippi St

Potrero Hill, SF 94107 4000019 2 units · 2 fl · 1900

This building has far more open problems than almost any other in the neighborhood. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

NOVs (7y) vs. neighborhood
Compared to a typical building in Potrero Hill
At or below average
avg 1.1
1
FewerMore

This building has 1 novs (7y), at or below the Potrero Hill average of 1.1.

Rent & eviction protection

Is 241-243 Mississippi 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 1900
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 built1900
Total area2,180 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot4000019
Ownership

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

Owner name
Sandra Kay Florstedt Trust
Mailing address
Sandra Kay Florstedt, Trust 184 Oak Ct Menlo Park CA 94025
Last sale
000000

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.

243 Mississippi St, San Francisco, CA 94107
241 Mississippi St, San Francisco, CA 94107
Augrented Insights
Initial analysis

241-243 Mississippi Street is a two-unit, two-story multi-family residential building located in Potrero Hill, constructed in 1900 and currently owned by the Sandra Kay Florstedt Trust. The property experienced a significant fire incident on December 25, 2014, resulting in structural damage to the front facade and roof area, which rendered the building unsafe and uninhabitable. Following the fire, the building went through several major renovation phases, including a substantial $500,000 project in 2016 for roof replacement, third-floor joist repairs, seismic retrofitting, and interior remodeling, along with multiple subsequent revisions addressing various structural and aesthetic improvements. The building has undergone recent comprehensive upgrades, including the installation of new heating and cooling systems, electrical service replacement, and plumbing renovations for three bathrooms, two kitchens, and two laundry facilities, all completed or in progress as of 2024.

The property's history includes several code enforcement actions and violations related to its vacant status following the 2014 fire, with multiple complaints about lack of maintenance, security issues, and failure to comply with the Vacant or Abandoned Building Ordinance between 2015 and 2020. Most recent activity indicates ongoing construction work as of 2024, with the most recent permits filed in December 2024 for retaining wall improvements and deck restoration. There have been recent complaints in August 2024 regarding inadequate construction site security, though these complaints are currently not active. The building's environmental maintenance has been periodically challenged, with multiple reports of graffiti and sidewalk defects between 2020 and 2023, as well as encampment-related issues during early 2020 while the building was vacant.

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

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Risk rating

How 241-243 Mississippi 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
7th percentile

Out of 726 buildings in this neighborhood, 675 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
44%
No DBI
violation
56%
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.

DBI complaint rate, owner's portfolio

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

Director's hearing rate, owner's portfolio

Per-building rate of director's hearings across the owner's portfolio.

12-Month severity forecast
No violation 62.7%
Moderate concern 32.4%
Severe concern 4.9%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

241-243 Mississippi St event timeline

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

2026
Plumbing Permit Apr 02
Work category: 1p; install one custom shower pan
Issued

See all 19 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 241-243 Mississippi St apartments

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

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