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3756 20Th St

Mission Dolores, SF 94110 3598017 4 units · 2 fl · 1952

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 3756 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 1952
2 or more units
4 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
Units4
Floors2
Year built1952
Total area3,054 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3598017
Ownership

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

Owner name
Djerassi-Markussen Ilan
Mailing address
1819 Laguna St San Francisco CA 94115
Last sale
030998

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

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Augrented Insights
Initial analysis

The 4-unit, 2-story multi-family residential building at 3756 20th Street in Mission Dolores, built in 1952 and owned by Ilan Djerassi-markussen, has maintained several important safety and infrastructure updates over the years. Recent work includes the completion of a reroofing project in 2010 (cost: $10,400) and electrical system upgrade in 2004 to 200 amps with additional circuits. The building has undergone two significant housing inspections - a routine inspection in 2002 and another in 2007, both of which were resolved. A notable cluster of violations was documented in January 2012, including issues with fire safety (fire extinguisher recharging and fire proofing), smoke detection (missing stair smoke detector), and plumbing systems - all of which were abated by February 23, 2012. A sewer replacement project from 2012 is now listed as expired.

The surrounding area has experienced various municipal service calls in recent months, with multiple reports of parking violations (including driveway blocking) and some routine street maintenance issues such as graffiti removal and garbage debris, all of which were addressed by city services. As of 2024, there are several open service requests including one for an overgrown tree that requires attention. The building's documented history shows regular maintenance and prompt attention to compliance issues, with most violations being resolved within reasonable timeframes. While there have been recurring concerns about parking enforcement in the immediate vicinity, these appear to be external to the building's operations and management.

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

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Risk rating

How 3756 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
57th percentile

Out of 799 buildings in this neighborhood, 344 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
66%
No DBI
violation
34%
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.

Neighborhood location

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

Building permits, owner's portfolio

Permits pulled across all of this owner's buildings over 7 years.

12-Month severity forecast
No violation 51.9%
Moderate concern 17.3%
Severe concern 30.8%
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

3756 20Th St event timeline

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

2025
Plumbing Permit Nov 06
Work category: 1p; water line upgrade 3/4" for multi apartment (4) plus (1) house separate meters. [old copper started to wear pin holes]
Complete

See all 1 events

Full history back to 2025 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 3756 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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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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