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1350-1352 20Th Ave

Central Sunset, SF 94122 1774034 2 units · 2 fl · 1912

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 Sunset
At or below average
avg 0.7
0
FewerMore

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

Rent & eviction protection

Is 1350-1352 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 1912
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 built1912
Total area1,385 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1774034
Ownership

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

Owner name
Simpson Anthony & Chan Pame
Mailing address
625 Sky Hy Cir Lafayette CA 94549
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.

1350 20th Ave, San Francisco, CA 94122
1352 20th Ave, San Francisco, CA 94122
Augrented Insights
Initial analysis

The three-unit residential building at 1350-1352 20th Avenue, located in the Central Sunset neighborhood, is a two-story flats and duplex structure built in 1912, currently owned by Anthony Simpson and Pame Chan. The building has undergone significant recent improvements, with substantial renovations completed in 2022 including kitchen and bathroom remodels in both units (valued at $70,000 each), with corresponding plumbing and electrical work completed in October 2022. Prior maintenance records show a completed re-roofing project in 2016 costing $22,500. Historical issues worth noting include two plumbing complaints from 1997 regarding sewage leaks and broken pipes, though these were both resolved within a few months. Earlier structural concerns were documented in 2001 regarding deck repairs and window replacement, and in 1985 involving stair repairs, but these permits have since expired.

More recently, the property has experienced various neighborhood maintenance issues typical of urban settings, as evidenced by 311 calls between 2018 and 2025. These include multiple reports of sidewalk parking violations (most recently in January 2025), street cleaning matters such as debris (November 2024) and hazardous materials (October 2021), and various other municipal service requests for parking enforcement and sidewalk maintenance. While these external issues do not directly impact the building's condition, they provide context on the property's immediate surroundings and ongoing neighborhood concerns. The building's permit history suggests regular maintenance and updating of key systems, with no current active building code violations or safety concerns on record.

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

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Risk rating

How 1350-1352 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
98th percentile

Out of 814 buildings in this neighborhood, 16 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
94%
No DBI
violation
6%
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.

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

Neighborhood location

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

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

12-Month severity forecast
No violation 90.3%
Moderate concern 7.4%
Severe concern 2.3%
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

1350-1352 20Th Ave event timeline

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

2022
Building Permit Oct 06
Remodel kitchen, bathroom and laundry in kind
$70,000 · Issued
Plumbing PermitOct 06
New kitchen sink, dishwasher, disposal, new bath, laundry

See all 4 events

Full history back to 2022 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 1350-1352 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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