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624 Carolina St

Potrero Hill, SF 94107 4071004 2 units · 2 fl · 1907

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Potrero Hill
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 624 Carolina 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 1907
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 built1907
Total area2,487 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot4071004
Ownership

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

Owner name
Dei Rossi Victor & Deborah
Mailing address
Peninsula Wood Products 1008B Bransten Rd San Carlos CA 94070
Last sale
042715

Landlord portfolio

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

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Augrented Insights
Initial analysis

624 Carolina Street is a two-unit residential building located in Potrero Hill, owned by Victor & Deborah Dei Rossi. This two-story flats/duplex structure, built in 1907, has undergone several significant changes and faced ongoing maintenance issues over the years. The most recent major work was completed in September 2023, involving the construction of an 8-foot retaining wall at the rear of the property to maintain existing grade, for which the owners invested approximately $23,553. The building's history includes a demolition of a single-family dwelling in 1986 prior to the current structure being approved, and street/sidewalk permits issued in 2012.

More recently, the property has experienced numerous parking enforcement issues, particularly between February and May 2024, with multiple reports of vehicles parking on the sidewalk, resulting in several citations and warnings. There was also one construction-related noise complaint in April 2024, though this was deemed invalid by the Department of Building Inspection. The building has a history of false fire alarms and system malfunctions, with nine documented incidents between 2017 and 2022, though none resulted in civilian injuries or actual fires. These incidents show a pattern of alarm system issues that have required multiple responses from the fire department, and while these events are not uncommon in older buildings, they represent a consistent maintenance challenge for the property.

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

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Risk rating

How 624 Carolina 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
86th percentile

Out of 726 buildings in this neighborhood, 102 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
86%
No DBI
violation
14%
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 age

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

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

Neighborhood location

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

12-Month severity forecast
No violation 75.1%
Moderate concern 20.0%
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

624 Carolina St apartment reviews

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The story over time

624 Carolina St event timeline

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

2024
311 Request Feb 25
Parking on sidewalk
Silver - Honda Civic - 6MMG629

See all 3 events

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

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Every record we have

Full data for 624 Carolina 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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