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812 31St Ave

Central Richmond, SF 94121 1673046 2 units · 3 fl · 1981

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 Central Richmond
At or below average
avg 0.5
0
FewerMore

This building has 0 novs (7y), at or below the Central Richmond average of 0.5.

Rent & eviction protection

Is 812 31St 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 1981
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
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
Units2
Floors3
Year built1981
Total area4,882 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1673046
Ownership

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

Owner name
Huie 1993 Trust The
Mailing address
Yan Min Huie Trustee 812 31St Ave San Francisco CA 94121
Last sale
062000

Landlord portfolio

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

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Augrented Insights
Initial analysis

The property at 812 31st Avenue in the Central Richmond neighborhood is a three-story multi-family residential building constructed in 1981, containing two units and currently owned by Huie 1993 Trust The. The building's history reveals significant concerns about unauthorized modifications, most notably between 2002 and 2015 when two illegal units were constructed without permits - one in the garage and another in the penthouse, involving an unauthorized change of occupancy classification from R-3 to R-1. This violation was ultimately abated in February 2015. The building underwent a legitimate restoration project in 2002 that included work on the basement family room, addition of a bar sink, and restoration of a third-floor social room, though this followed the notice of violation. Earlier records show an expired permit for reroofing work dating back to 1997.

More recently, between 2021 and 2024, there have been numerous 311 calls related to the property, primarily concerning street and sidewalk cleaning issues and parking matters. These recent incidents include reports of abandoned mattresses, illegal sidewalk parking, and driveway blocking, though most of these issues were promptly addressed by city services and marked as resolved. The property appears to have maintained a relatively low profile in terms of major violations or complaints since 2015, with the most recent building-related activities primarily focusing on routine street maintenance and parking enforcement matters rather than building code violations or significant structural concerns.

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

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Risk rating

How 812 31St 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
84th percentile

Out of 2250 buildings in this neighborhood, 360 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
89%
No DBI
violation
11%
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.

Estimated permit spend (past 7 years)

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

12-Month severity forecast
No violation 79.4%
Moderate concern 11.3%
Severe concern 9.3%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

812 31St Ave apartment reviews

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The story over time

812 31St Ave event timeline

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

2024
311 Request Aug 18
Blocking driveway cite tow
Parking Enforcement

See all 1 events

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

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Every record we have

Full data for 812 31St Ave 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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