Free SF apartment background check

2401-2419 Chestnut St

Marina, SF 94123 0935001 27 units · 3 fl · 1928

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 Marina
At or below average
avg 1.1
0
FewerMore

This building has 0 novs (7y), at or below the Marina average of 1.1.

Rent & eviction protection

Is 2401-2419 Chestnut 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 1928
2 or more units
27 units
Property type
Multi-Family Residential
Zoning
NC2
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
Units27
Floors3
Year built1928
Total area19,484 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0935001
Ownership

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

Owner name
Rosen, Arlene L
Mailing address
31 Inyo Pl Redwood City CA 94061
Last sale
101697

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.

2401 Chestnut St, San Francisco, CA 94123
2415 Chestnut St, San Francisco, CA 94123
2417 Chestnut St, San Francisco, CA 94123
2419 Chestnut St, San Francisco, CA 94123
2413 Chestnut St, San Francisco, CA 94123
2411 Chestnut St, San Francisco, CA 94123
Augrented Insights
Initial analysis

The 27-unit multi-family residential building at 2401-2413 Chestnut Street in San Francisco's Marina neighborhood, owned by Arlene L. Rosen and constructed in 1928, has undergone several significant improvements and faced various safety-related issues over the past decades. Most recently, the building received permits for a new fire alarm system installation with low frequency sounders (issued October 2024) to comply with San Francisco Fire Code requirements. The property has completed important seismic safety work as a Tier 4 soft-story retrofit in 2018, bringing it into compliance with current building safety standards. Recent electrical upgrades include the installation of new receptacles, lighting improvements, and work on fused panels (completed November 2024).

The building has experienced recurring safety compliance issues, particularly regarding fire safety, with multiple violations recorded between 2019 and 2024. These include a December 2023 violation regarding sleeping area requirements, an August 2023 extinguishers citation that was corrected, and a November 2021 exit maintenance violation that was referred to the Department of Building Inspection. Historical records show various building maintenance and safety inspections dating back to 2000, with several violations related to heating systems, security requirements, and egress issues - though all these were ultimately abated, primarily by September 2006. The property has also faced some tenant-related and maintenance concerns, including a 2019 complaint about construction work obstructing egress from the United Liquor and Deli storefront.

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

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Risk rating

How 2401-2419 Chestnut 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
8th percentile

Out of 988 buildings in this neighborhood, 909 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
37%
No DBI
violation
63%
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 18.4%
Moderate concern 59.2%
Severe concern 22.4%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

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The story over time

2401-2419 Chestnut St event timeline

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

2026
311 Request Mar 03
Garbage and debris
other loose garbage debris yard waste
311 RequestFeb 14
Garbage and debris

See all 18 events

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

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Every record we have

Full data for 2401-2419 Chestnut 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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