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20-24 Balboa St

Inner Richmond, SF 94118 1544024 4 units · 3 fl · 1987

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 Inner Richmond
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Inner Richmond average of 0.9.

Rent & eviction protection

Is 20-24 Balboa 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 1987
2 or more units
4 units
Property type
Multi-Family Residential
Zoning
RM2
Not rent-controlled. Buildings constructed after 1978 are generally exempt from SF rent increase limits under the Costa-Hawkins Act.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units4
Floors3
Year built1987
Total area4,448 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1544024
Ownership

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

Owner name
Leong/Au Family Trust
Mailing address
Leong Peng Chiu & Au Delia 24 Balboa St Apt 4 San Francisco CA 94118
Last sale
103195

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.

24 Balboa St, San Francisco, CA 94118
20 Balboa St, San Francisco, CA 94118
Augrented Insights
Initial analysis

The 4-unit, 3-story multi-family residential building at 20-24 Balboa Street in the Inner Richmond, owned by the Leong/au Family Trust, was constructed in 1987 following the demolition of a previous structure in September 1985. The building's maintenance record shows several significant improvements, including a complete re-roofing project in 2014 costing $10,000, the installation of underground electrical infrastructure in 2013, and various plumbing and electrical updates between 2011-2014. The property has undergone routine safety inspections by Housing Inspection Services in 2001, 2004, 2011, and 2014, during which fire safety violations were identified and subsequently corrected, specifically relating to the servicing of fire extinguishers.

The building's recent history has been marked by multiple instances of graffiti and maintenance issues in the surrounding area, with the most recent incidents occurring in August 2023. These external issues have been primarily documented through 311 calls, including at least seven reports of graffiti on various surfaces between 2017-2023, three instances of illegal postings (2015-2017), a blocked driveway complaint in 2018, and a Christmas tree disposal request in 2022. While these external maintenance issues have been addressed by city services, they suggest ongoing challenges with neighborhood upkeep. The building's core systems have received periodic attention, as evidenced by the various permits for electrical, plumbing, and roofing work, indicating regular maintenance of essential infrastructure.

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

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Risk rating

How 20-24 Balboa 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
64th percentile

Out of 1723 buildings in this neighborhood, 620 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
87%
No DBI
violation
13%
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.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

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 79.2%
Moderate concern 9.5%
Severe concern 11.3%
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

20-24 Balboa St event timeline

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

2026
311 Request Jan 27
Garbage and debris
human waste or urine

See all 1 events

Full history back to 2026 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 20-24 Balboa 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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