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302-308 31St Ave

Central Richmond, SF 94121 1403031 4 units · 2 fl · 1921

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 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 302-308 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 1921
2 or more units
4 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
Units4
Floors2
Year built1921
Total area4,250 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1403031
Ownership

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

Owner name
Maganaris Gary M
Mailing address
1921 Bayview Ave Belmont CA 94002
Last sale
082219

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.

302 31st Ave, San Francisco, CA 94121
308 31st Ave, San Francisco, CA 94121
306 31st Ave, San Francisco, CA 94121
304 31st Ave, San Francisco, CA 94121
Augrented Insights
Initial analysis

The two-story, four-unit multi-family residential building at 302-308 31st Avenue in the Central Richmond neighborhood, owned by Gary M. Maganaris and built in 1921, has experienced several significant maintenance and safety-related issues over its history. Most recently, in 2017, the building underwent substantial voluntary strengthening work and retaining wall replacement at a cost of $60,000. Between 2005 and 2016, multiple serious concerns emerged, including substantial structural issues with rear stairs (2009), plumbing and sanitary problems including non-functional toilets (2005), and various fire safety violations. The 2001-2005 period saw multiple fire safety violations requiring remediation, including problems with combustible storage, fire proofing, and emergency lighting systems, all of which were eventually abated. The building has also experienced some recent infrastructure issues, with a sewage backup reported in January 2024 representing the most current maintenance concern.

Recent municipal service calls around the property (2023-2024) have primarily involved external issues such as parking violations, street cleaning needs, and some tree maintenance concerns, rather than internal building problems. A 2005 housing inspection noted several maintenance issues including a caving ceiling and insulation concerns, though during this period, there were also documented efforts to improve the building's safety systems, including the installation of emergency exit lighting and electrical improvements. While the building has had its share of problems over the years, particularly during the early to mid-2000s, many of these issues were addressed through subsequent repairs and improvements, with no active violations currently on record. The only documented fire-related incident was a false alarm, with no civilian injuries reported.

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

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Risk rating

How 302-308 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
26th percentile

Out of 2250 buildings in this neighborhood, 1665 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
77%
No DBI
violation
23%
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 54.1%
Moderate concern 27.8%
Severe concern 18.2%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

302-308 31St Ave event timeline

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

2025
311 Request May 04
Blocking driveway cite only
Parking Enforcement

See all 2 events

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

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Every record we have

Full data for 302-308 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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