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3766-3768 20Th St

Mission Dolores, SF 94110 3598020 2 units · 2 fl · 1907

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 Mission Dolores
At or below average
avg 2.9
0
FewerMore

This building has 0 novs (7y), at or below the Mission Dolores average of 2.9.

Rent & eviction protection

Is 3766-3768 20Th St 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 1907
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH3
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 built1907
Total area2,884 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot3598020
Ownership

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

Owner name
David C Fleming Revoc Livin
Mailing address
David C Fleming Trustee 3768 20Th St San Francisco CA 94110
Last sale
042503

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.

3768 20th St, San Francisco, CA 94110
3766 20th St, San Francisco, CA 94110
Augrented Insights
Initial analysis

The two-unit residential building at 3766-3768 20th Street in Mission Dolores, owned by the David C Fleming Revocable Living Trust, was constructed in 1907 and is classified as a Flats & Duplex structure with two stories. The property has undergone several significant infrastructure improvements over the past decades, including a complete roof replacement in 2010 costing $7,880, multiple water-related repairs between 2006-2023 (including water line repairs and water heater updates), and conversion to underground electrical service with two meters in 2004. A horizontal addition was completed in 1995, and the building experienced some plumbing code issues in 2006 regarding unauthorized copper pipe installation, though this was resolved by June 2007.

Recent maintenance activity includes a gas line installation in April 2023 and water line repairs in June 2017. The building has had three notable housing complaints, though none are currently active: one in 2011 regarding peeling exterior paint, one in 2006 concerning unauthorized basement work, and one in 2003 about unpermitted first floor and basement work. While the property's infrastructure appears to be maintained adequately based on permit activity, the surrounding area has experienced recurring parking enforcement issues, with multiple citations issued between 2020-2024 for driveway blocking. The most recent infrastructure work appears to be limited to the 2023 gas line installation, suggesting the building systems may be relatively stable, though there have been periodic maintenance needs related to water and electrical systems as evidenced by the various permits and repairs over the years.

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

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Risk rating

How 3766-3768 20Th St'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
82th percentile

Out of 799 buildings in this neighborhood, 144 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.

Neighborhood location

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

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

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 70.7%
Moderate concern 17.0%
Severe concern 12.3%
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

3766-3768 20Th St event timeline

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

2023
Plumbing Permit Apr 14
Work category: 1p; run gas line picking up water heater, dryer and space heater.
Complete

See all 2 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 3766-3768 20Th St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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