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21-23 Noe St

Duboce Triangle, SF 94114 3538048 3 units · 2 fl · 1900

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 Duboce Triangle
At or below average
avg 2.3
0
FewerMore

This building has 0 novs (7y), at or below the Duboce Triangle average of 2.3.

Rent & eviction protection

Is 21-23 Noe 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 1900
2 or more units
3 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
Units3
Floors2
Year built1900
Total area2,476 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot3538048
Ownership

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

Owner name
Dean M Gridley 2012 Revoc T
Mailing address
Dean M Gridley, Trustee 21 Noe St San Francisco CA 94114
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.

23 A Noe St, San Francisco, CA 94114
21 Noe St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The three-unit multi-family residential building at 21-23 Noe Street in Duboce Triangle is a historically significant two-story structure built in 1900, currently owned by the Dean M Gridley 2012 Revocable Trust. The property has undergone several substantial renovations and infrastructure upgrades over the years, with the most significant work occurring between 2004-2006 when a horizontal addition was attempted (though the permit expired), which included demolition and reconstruction of rear porches and stairs, and the installation of fire sprinklers in a new dining room addition. The electrical infrastructure received considerable attention during this period, with a 400-amp underground service upgrade and extensive electrical work for lighting, switches, receptacles, and laundry facilities, though many of these permits expired before completion, requiring renewals and additional permits to finalize the work in 2006-2007.

More recent history shows some concerns regarding building safety, notably a lead paint complaint in 2012 that was filed and abated within two months. The building has experienced several maintenance and safety-related issues in the surrounding area, particularly regarding sidewalk infrastructure, with an open case for a collapsed sidewalk reported in February 2020, though this is a street maintenance issue rather than a building concern. The property's parking situation has generated multiple complaints, with two documented instances of sidewalk parking in 2019 and 2021, though enforcement officers were unable to validate the issues in both cases. The building's historical records also show earlier work from 1996 involving foundation repairs, though this permit expired. While the property has experienced various maintenance and compliance issues over the years, the documentation suggests that most recent major infrastructure improvements were completed between 2005-2007, with no recent building permits or significant complaints on record.

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

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Risk rating

How 21-23 Noe 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
39th percentile

Out of 287 buildings in this neighborhood, 175 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
63%
No DBI
violation
37%
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.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

12-Month severity forecast
No violation 56.1%
Moderate concern 22.2%
Severe concern 21.7%
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

21-23 Noe St event timeline

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

No dated public records on file yet.
Every record we have

Full data for 21-23 Noe 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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