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1930-1934 Folsom St

Inner Mission, SF 94103 3552007 6 units · 3 fl · 1902

This building has far more open problems than almost any other in the neighborhood. 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 Inner Mission
Above average
avg 2.6
9
FewerMore

This building has 9 novs (7y), above the Inner Mission average of 2.6.

Rent & eviction protection

Is 1930-1934 Folsom 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 1902
2 or more units
6 units
Property type
Multi-Family Residential
Zoning
RH3
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
Units6
Floors3
Year built1902
Total area5,625 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3552007
Ownership

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

Owner name
Giuseppe & Marta Castellucc
Mailing address
Castellucci Giuseppe & Mart 101 Chapel Hill Rd Novato CA 94949
Last sale
012607

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.

1930 Folsom St, San Francisco, CA 94103
1932 Folsom St, San Francisco, CA 94103
1934 Folsom St, San Francisco, CA 94103
Augrented Insights
Initial analysis

The 6-unit, 3-story multi-family residential building at 1930-1934 Folsom St in the Inner Mission, owned by Giuseppe & Marta Castellucc, has undergone several significant maintenance and compliance issues in recent years. Most notably, in early 2024, the building faced multiple violations related to mold and water damage, including complaints about damaged walls, leaks in the kitchen and bathroom, and water-related problems in the bedroom and bathroom. These issues were addressed through two separate permits in 2024, totaling $11,000, for mold remediation and wall repairs. The building has also completed its mandatory soft-story retrofit work in 2018, demonstrating compliance with seismic safety requirements.

The property has a history of plumbing and water-related problems, with records showing sewer issues in 2006 and 2014, including a complete sewer and house trap replacement in 2014. Fire safety concerns have been documented, with violations related to alarm systems and sprinkler maintenance noted in 2017, though these were subsequently resolved. Recent 311 calls from early 2025 indicate ongoing exterior maintenance needs, including reports of debris and encampments near the property. While the building's most serious recent issues (mold and water damage) appear to have been addressed through proper permits and repairs, the property's maintenance history suggests a pattern of periodic issues requiring attention.

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

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Risk rating

How 1930-1934 Folsom 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
9th percentile

Out of 2380 buildings in this neighborhood, 2166 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
24%
No DBI
violation
76%
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.

Director's hearing rate, owner's portfolio

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

Number of units

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

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

12-Month severity forecast
No violation 24.8%
Moderate concern 48.7%
Severe concern 26.5%
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

1930-1934 Folsom St event timeline

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

2026
Electrical Permit Mar 11
Replace 7 sub panels in basement. install in same location.
Issued
311 RequestJan 13
Light

See all 15 events

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

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Every record we have

Full data for 1930-1934 Folsom St apartments

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

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