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463-465 20Th Ave

Central Richmond, SF 94121 1524010A 2 units · 2 fl · 1921

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 463-465 20Th 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
2 units
Property type
Multi-Family Residential
Zoning
RM1
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 built1921
Total area3,540 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1524010A
Ownership

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

Owner name
Yan Edmund K & Helen M Reco
Mailing address
Mr & Mrs Yan 463 20Th Ave San Francisco CA 94121
Last sale
000000

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.

465 20th Ave, San Francisco, CA 94121
463 20th Ave, San Francisco, CA 94121
Augrented Insights
Initial analysis

The two-unit residential building at 463-465 20th Avenue in San Francisco's Central Richmond neighborhood is a two-story flats and duplex structure owned by Yan Edmund K & Helen M Reco, constructed in 1921. The property has undergone several significant improvements in recent years, most notably the installation of a solar PV system in late 2018, consisting of 24 modules with a total capacity of 7.92 kW, followed by a reroofing project in October 2018 valued at $12,000. These upgrades reflect the owners' investment in sustainable and infrastructure improvements for the building.

The property has experienced a notable pattern of parking-related issues in recent years, particularly between 2023 and 2025, with multiple reports of driveway blocking incidents. Between May 2023 and January 2025, there were at least eight documented cases of vehicles blocking the property's driveway, with several resulting in citations being issued. The most recent incidents occurred in early January 2025, though some of these calls resulted in officers being unable to locate the offending vehicles. Additionally, there is currently an open issue reported in January 2025 regarding a curb or curb ramp defect near the property. While these parking enforcement matters and maintenance issues on public infrastructure do not directly indicate problems with the building itself, they may affect resident convenience and access to the property.

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

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Risk rating

How 463-465 20Th 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
58th percentile

Out of 2250 buildings in this neighborhood, 945 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.

Construction spend, owner's portfolio

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

DBI complaint rate, owner's portfolio

Per-building complaint rate across the owner's portfolio.

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 80.7%
Moderate concern 14.0%
Severe concern 5.3%
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

463-465 20Th Ave event timeline

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

2025
311 Request Oct 12
Blocking driveway cite tow
Parking Enforcement
311 RequestJan 06
Blocking driveway cite tow

See all 5 events

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

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Every record we have

Full data for 463-465 20Th 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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