Free SF apartment background check

20 Mallorca Way

Marina, SF 94123 0467A025 6 units · 3 fl · 1929

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 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 20 Mallorca Way 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 1929
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 built1929
Total area5,748 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0467A025
Ownership

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

Owner name
Benjamin P & Katherine C Li
Mailing address
1470 33rd Ave San Francisco CA 94122
Last sale
101194

Landlord portfolio

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

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Augrented Insights
Initial analysis

20 Mallorca Way is a 6-unit, 3-story multi-family residential building located in the Marina neighborhood, owned by Benjamin P & Katherine C Li and constructed in 1929. The property has undergone several maintenance and improvement projects over the years, with the most recent being a back door replacement in late 2024. Previous significant work includes re-roofing in 2013 and bathroom/kitchen renovations in 2007. A notable cluster of building violations was recorded in November 2009, primarily related to fire safety and mental health concerns, including issues with the fire escape system, central alarm system, sanitation matters, and interior surface repairs – all of which were abated by December 2009. While the building has experienced three fire-related incidents, all have been false alarms or service calls with no civilian injuries reported.

The property's recent history shows various municipal service interactions, particularly in 2024, including multiple reports of garbage and debris issues, some environmental health complaints, and one instance of a sidewalk defect attributed to tree roots. Several parking-related incidents have also been recorded, including double parking and blocking driveway violations. The maintenance history suggests regular upkeep of the building's infrastructure, with the most recent modifications continuing the trend of upgrading building features. The structure's age and location have resulted in typical urban challenges such as sidewalk maintenance needs and street cleaning concerns, which appear to be generally addressed through appropriate channels.

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

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Risk rating

How 20 Mallorca Way'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
34th percentile

Out of 988 buildings in this neighborhood, 652 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
65%
No DBI
violation
35%
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.

Owner's portfolio size

Number of SF parcels this owner is registered on — larger portfolios have distinct risk patterns.

12-Month severity forecast
No violation 48.9%
Moderate concern 20.6%
Severe concern 30.5%
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

20 Mallorca Way event timeline

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

2026
Plumbing Permit Jan 02
Plumbing for new washer and dryer in garage.
Complete
Electrical PermitJan 02
New outlets for washer dryer, garage, 1 light, 1 switch, 2 receptacles.

See all 5 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 20 Mallorca Way 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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