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822-824 47Th Ave

Outer Richmond, SF 94121 1689042 2 units · 2 fl · 1964

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 Outer Richmond
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Outer Richmond average of 0.7.

Rent & eviction protection

Is 822-824 47Th Ave 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 1964
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
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
Units2
Floors2
Year built1964
Total area2,990 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1689042
Ownership

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

Owner name
David L K Huang Revoc Trust
Mailing address
Dongna Fang, Trustee 21 Maynard St San Francisco CA 94112
Last sale
061099

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.

824 47th Ave, San Francisco, CA 94121
822 47th Ave, San Francisco, CA 94121
Augrented Insights
Initial analysis

The two-unit residential building at 822-824 47th Avenue in San Francisco's Outer Richmond neighborhood is a two-story flats/duplex structure built in 1964, currently owned by the David L K Huang Revocable Trust. The property has undergone several significant modifications and improvements over the years, with the most notable event being a fire incident in 2002 that required kitchen repairs in both units, including new cabinets, electrical wiring, and appliances, with completed electrical work following in 2003 to replace wiring and outlets. The building has received consistent maintenance attention, with three documented reroofing projects: one in 1994 (permit expired) and two in 2002 (completed at a cost of $6,700 each).

In the early 1990s, the property underwent modifications including the legalization of a recreational room and bathroom in the garage area (completed) and a rear yard shed (filing status). A building complaint was filed in 1998 regarding the rental of a recreation room with office use behind the garage, though this complaint was promptly abated. The most recent activities at the property have been related to color curb service requests in 2015, which were transferred to the MTA for processing. Planning records show attempts to legalize an oversized shed at the rear of the lot, though these applications were ultimately disapproved. While the building has experienced a fire incident requiring repairs and some building code enforcement activity, there have been no recent complaints or recorded safety concerns, and all modifications appear to have received proper permitting and completion status.

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

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Risk rating

How 822-824 47Th Ave'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
48th percentile

Out of 1040 buildings in this neighborhood, 541 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
85%
No DBI
violation
15%
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.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

Building permits, owner's portfolio

Permits pulled across all of this owner's buildings over 7 years.

12-Month severity forecast
No violation 71.7%
Moderate concern 14.1%
Severe concern 14.2%
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

822-824 47Th Ave event timeline

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

2023
311 Request May 30
Bulky items
Furniture

See all 1 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 822-824 47Th Ave apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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