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3756 20Th St

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

Nothing on record for this building in the last seven years. Our model still sees a moderate chance of maintenance problems in the next 12 months, from the owner's wider portfolio and the surrounding area rather than from anything recorded here. No public enforcement record to go on. Walk the building, ask the current tenants how repairs get handled, and get any promises in writing.

NOVs (7y) vs. neighborhood
Records already on file, against a typical building in Mission Dolores — not a forecast
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.

Statewide backstop · AB 1482

California Tenant Protection Act of 2019

Even when a building isn't covered by local rent stabilization, the statewide Tenant Protection Act (AB 1482) may still apply. It caps annual rent increases and requires the landlord to state a legal reason to end most tenancies.

15+ years since occupancy
Built 1952
Annual rent increase cap
5% + CPI, max 10%
Just-cause eviction
After 12 months
Local rent control likely takes priority. This building appears to fall under the local ordinance above, which is stronger than AB 1482. Where a local just-cause ordinance applies, its rules govern instead of the state cap.

AB 1482 does not apply to single-family homes and condos unless owned by a corporation, REIT, or an LLC with a corporate member; to owner-occupied duplexes; or to deed-restricted affordable housing. The Act is in effect until January 1, 2030. Not legal advice — see the California landlord–tenant guide.

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).

Mailing address
1819 Laguna St San Francisco CA 94115
Last sale

Landlord portfolio

Other SF properties this owner holds, with a risk rating 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

Lower risk — safer than most nearby

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Typical — about average for the neighborhood

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Higher risk — riskier than most nearby

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
56thpercentile

Out of 799 buildings in this neighborhood, 352 are predicted to be safer. The band is relative to this neighborhood, so a share of every neighborhood falls in each colour.

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 risk forecast
Moderate failure risk 34%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months. Model: full_hgb_balanced.
Apartment reviews

3756 20Th St apartment reviews

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On the map

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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.

Side by side

How 3756 20Th St compares to the neighborhood

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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