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4366-4368 21St St

Eureka Valley/Dolores Heights, SF 94114 2753027

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 Eureka Valley/Dolores Heights
At or below average
avg 1.3
0
FewerMore

This building has 0 novs (7y), at or below the Eureka Valley/Dolores Heights average of 1.3.

Rent & eviction protection

Is 4366-4368 21St 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 1951
2 or more units
? units
Property type
Multi-Family Residential
Zoning
RH2
Possibly exempt. Built before 1979 but single-unit — single-family homes and condos may be exempt from the SF Rent Ordinance.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units—
Floors2
Year built1951
Total area1,854 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2753027
Ownership

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

Owner name
Mccarthy 1990 Trust
Mailing address
Thomas & Margaret Mccarthy, 2470 25Th Ave San Francisco CA 94116
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.

4368 21st St, San Francisco, CA 94114
4366 21st St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The property at 4366-4368 21st Street is a two-story multi-family residential building situated in the Eureka Valley/Dolores Heights neighborhood. Built in 1951 and currently under the ownership of the McCarthy 1990 Trust, this flats and duplex structure has undergone several maintenance and improvement projects over the years. Notable upgrades include a window replacement project in 2001 where four aluminum windows were replaced with double-glazed vinyl windows, and significant electrical system improvements with a 100-amp service change completed in 2005. Earlier infrastructure work included concrete installation at door jambs in 1994 and a reroofing project in 1991, though a 2004 electrical permit for garage improvements expired without completion.

The building has recently experienced several infrastructure challenges, particularly related to water and sewer systems. Between late 2024 and early 2025, there were multiple reports of water-related issues, including what was initially reported as water leaks but were determined to be groundwater-related problems, and a sewage discharge incident that was found to be non-sewer-related. The property has also faced some environmental challenges in late 2024, with reports of graffiti (still open as of November 2024), garbage and debris issues, and illegal postings on multiple occasions. The building's maintenance history shows regular upkeep, with particular attention to electrical systems and weatherproofing, though some recent water-related infrastructure issues have been noted in the surrounding area.

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

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Risk rating

How 4366-4368 21St 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
89th percentile

Out of 1278 buildings in this neighborhood, 141 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
89%
No DBI
violation
11%
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.

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.

12-Month severity forecast
No violation 78.7%
Moderate concern 15.3%
Severe concern 6.0%
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

4366-4368 21St St event timeline

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

2026
311 Request May 14
Other excessive noise
Noise

See all 3 events

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

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Every record we have

Full data for 4366-4368 21St St apartments

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

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