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1585-1587 20Th Ave

Central Sunset, SF 94122 1866017 2 units · 2 fl · 1977

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 1585-1587 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 1977
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 built1977
Total area3,800 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1866017
Ownership

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

Owner name
Catherine S Lee Revocable T
Mailing address
Lee Catherine S Trustee 1585 20Th Ave # 1585 San Francisco CA 94122
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.

1585 20th Ave, San Francisco, CA 94122
1587 20th Ave, San Francisco, CA 94122
Augrented Insights
Initial analysis

The 1585-1587 20th Avenue property is a two-unit, two-story multi-family residential building located in San Francisco's Central Sunset neighborhood, owned by the Catherine S Lee Revocable Trust and constructed in 1977. The building underwent significant maintenance work in 2024, including the complete replacement of an old deck with new pressure-treated framing and Trex decking at a cost of $11,000. One of the most notable historical issues occurred in 2006 when a violation was filed regarding an unauthorized kitchen installation on the ground floor, which led to a series of demolition and restoration permits to return the building to its legal R-3 two-dwelling unit configuration. This violation was ultimately resolved by September 2008, including the proper capping of water and drain lines and removal of electrical outlets. The building has had several maintenance and improvement projects over the years, including rear side repairs in 2002 ($10,000) and vinyl siding installation in 1993.

Recent activity at the property has been relatively minimal, though there was a construction noise complaint in May 2024 that was resolved by July 2024. The building's maintenance record shows regular upkeep, with the most recent significant work being the 2024 deck replacement project. The property has experienced some typical urban challenges, as evidenced by multiple 311 calls in 2023-2024 regarding street cleaning and parking issues, though these are not directly related to the building's condition or operations. Two fire complaints from 2006 and 2008 were filed and subsequently resolved with corrected conditions, though no recent fire safety issues have been reported. The building's permit history and violation records suggest that any previous unauthorized modifications have been properly addressed and resolved.

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

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Risk rating

How 1585-1587 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
35th percentile

Out of 814 buildings in this neighborhood, 529 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
81%
No DBI
violation
19%
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 size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Neighborhood location

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

12-Month severity forecast
No violation 73.6%
Moderate concern 17.7%
Severe concern 8.8%
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

1585-1587 20Th Ave event timeline

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

2025
311 Request Aug 10
Not offensive
sidewalk in front of property
311 RequestMar 24
Sewage back-up discharge

See all 5 events

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

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Every record we have

Full data for 1585-1587 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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