Free SF apartment background check

2120 Chestnut St

Marina, SF 94123 0486A018 7 units · 3 fl · 1928

This building has more problems than most buildings in this neighborhood. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

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

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

Rent & eviction protection

Is 2120 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
7 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
Units7
Floors3
Year built1928
Total area
Property typeMulti-Family Residential
Tax statusNone
Blocklot0486A018
Ownership

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

Owner name
Bosco Family Investors Lp
Mailing address
1940 Las Gallinas Ave San Rafael CA 94903
Last sale
000000

Landlord portfolio

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

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Augrented Insights
AI summary

The three-story, seven-unit multi-family residential building at 2120 Chestnut Street in the Marina District, owned by Bosco Family Investors Lp, was constructed in 1928 and has undergone several significant safety upgrades in recent years. The property completed mandatory seismic retrofit work in March 2020, with records showing separate permits for both commercial and residential sections of the building, costing a total of $41,334. In 2023, the building received substantial fire safety upgrades, including the installation of a new fire alarm system with low-frequency sounders in sleeping areas to meet current fire code requirements, at a cost of over $33,500. The building has a history of fire alarm system-related incidents, with multiple false alarms and system malfunctions recorded between 2011 and 2024, including a recent fire complaint in April 2024 that was found to have no merit.

The building's maintenance history shows regular upkeep, including a 400-amp electrical service upgrade in 2021, reroofing work in 2011, and recent exterior improvements such as awning replacement in 2015. A notable violation was recorded in March 2023 regarding failure to complete all associated work under the Mandatory Soft Story Program, though this appears to have been resolved by July 2024 with the issuance of the Certificate of Final Completion (CFC). The property has experienced periodic maintenance issues typical of its age, including historical violations in 2003 related to fire escape drop ladders and directional signs, though these were promptly addressed. Recent 311 calls in the area have mostly concerned sidewalk access and street cleaning issues, typical of urban neighborhoods, with the most recent being resolved complaints about scooters blocking sidewalks in January 2025.

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Risk rating

How 2120 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
23th percentile

Out of 988 buildings in this neighborhood, 761 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
53%
No DBI
violation
47%
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.

DBI tenant complaints (past 7 years)

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

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 65.1%
Moderate concern 19.1%
Severe concern 15.8%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

2120 Chestnut St event timeline

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

2025
Building Permit Dec 18
Front facade e tile to be replaced in kind
$17,000 · Complete
Planning RecordDec 18
Replace tile at front facade to match existing and provided tile schedule.

See all 11 events

Full history back to 2020 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 2120 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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