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602-604 Mississippi St

Potrero Hill, SF 94107 4102017 2 units · 3 fl · 1900

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 602-604 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.

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 1900
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
Floors3
Year built1900
Total area3,278 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot4102017
Ownership

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

Mailing address
602 Mississippi St San Francisco CA 94107
Last sale
June 14, 2019

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.

604 Mississippi St, San Francisco, CA 94107
602 Mississippi St, San Francisco, CA 94107
Augrented Insights
Initial analysis

The property at 602-604 Mississippi Street is a two-unit, three-story multi-family residential building located in Potrero Hill, constructed in 1900 and currently owned by Christine Eliz Pfeiffer. The building underwent significant renovations in 2019-2020, including major remodeling of both units' kitchens and bathrooms, installation of a new roof deck, dormers, skylights, and substantial basement work to create new living spaces and patios, with total renovation costs exceeding $1 million. The improvements also included updated electrical systems with a new 200-amp service, hydronic heating installation, and comprehensive plumbing upgrades for both units. While the major construction work was completed, there was one building complaint filed in April 2020 regarding alleged construction violations, though this complaint is currently listed as "Not Active."

The property has experienced several infrastructure issues over the years, including two documented sewer backups in 2016, one in 2022, and multiple water leak incidents between 2015-2016, which appear to have been resolved. More recently, there is an open complaint regarding pavement defects in front of the property (filed March 2024). The building's systems have generally been well-maintained, with the most recent significant work focusing on electrical upgrades, hydronic heating systems, and plumbing improvements. The property was legally documented as a three-story building with two residential units in 2018, validating its current configuration. While there have been some maintenance issues reported through 311 calls, including sidewalk parking violations and public works matters, these are typical for urban properties and vary in nature.

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

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Risk rating

How 602-604 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

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
62ndpercentile

Out of 726 buildings in this neighborhood, 276 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.

Building age

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

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

602-604 Mississippi St apartment reviews

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The story over time

602-604 Mississippi St event timeline

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

2020
Plumbing Permit Jul 15
Work category: 8p; hydronic tubing install x4 floors, flu install x2, boiler install x2
Complete
DBI ComplaintApr 20
Date last observed: 17-apr-20; exact location: main bldg; building type: residence/dwelling other housing; ; additional information: construction in violation of sf order (non-low income residential);

See all 8 events

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

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Every record we have

Full data for 602-604 Mississippi St apartments

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

Side by side

How 602-604 Mississippi St 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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