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2101 Bay St

Marina, SF 94123 0928001 15 units · 3 fl · 1927

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
Above average
avg 1.1
7
FewerMore

This building has 7 novs (7y), above the Marina average of 1.1.

Rent & eviction protection

Is 2101 Bay 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 1927
2 or more units
15 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
Units15
Floors3
Year built1927
Total area11,250 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0928001
Ownership

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

Owner name
Romel Sfapt Llc
Mailing address
A J Batt 400 S El Camino Real #760 San Mateo CA 94402
Last sale
070220

Landlord portfolio

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

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Augrented Insights
Initial analysis

2101 Bay Street is a 15-unit, 3-story multi-family residential building constructed in 1927 and currently owned by Romel Sfapt LLC. The building underwent significant improvements in 2018-2019, including the installation of a comprehensive fire safety system with sprinklers, alarms, and related equipment costing over $80,000. Major renovations included the conversion of Unit 103 from a studio to a one-bedroom with laundry facilities in 2019, and the conversion of the garage to add six ADUs with new kitchens and bathrooms in 2018. The property has addressed several safety and compliance issues over the years, including a soft-story retrofit completed in compliance with San Francisco's earthquake safety requirements.

Recent records show recurring issues with the building's fire safety systems, with violations documented in 2024, 2023, and 2022 regarding sleeping area requirements, alarm systems, and extinguishers, though most were promptly corrected or resolved. The building has experienced various tenant complaints and maintenance issues, including reports of construction noise (2018), heating problems (2018), plumbing leaks (2017), and mold concerns (2020). Historical violations from 2014 and 2012 involved multiple safety concerns, including fire escape maintenance and unauthorized telecommunications equipment installation, though these were subsequently addressed. The property has maintained active compliance with most regulatory requirements, as evidenced by the completion of numerous building, plumbing, and electrical permits, though there have been some recent questions about the adequacy of the fire alarm system and other safety features.

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

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Risk rating

How 2101 Bay 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
20th percentile

Out of 988 buildings in this neighborhood, 790 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
50%
No DBI
violation
50%
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.

Notices of Violation (past 7 years)

DBI issued Notices of Violation at this address over the last 7 years — a direct record of code enforcement activity.

12-Month severity forecast
No violation 51.8%
Moderate concern 37.9%
Severe concern 10.3%
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

2101 Bay St event timeline

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

2025
311 Request Dec 17
Noise caused by building systems
Residential Building
311 RequestDec 11
Blocking driveway cite only

See all 19 events

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

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Every record we have

Full data for 2101 Bay 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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