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4411 23Rd St

Noe Valley, SF 94114 2807038 2 units · 3 fl · 1906

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 Noe Valley
At or below average
avg 1.2
0
FewerMore

This building has 0 novs (7y), at or below the Noe Valley average of 1.2.

Rent & eviction protection

Is 4411 23Rd 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 1906
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
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
Floors3
Year built1906
Total area2,965 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot2807038
Ownership

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

Owner name
Guilfoyle Paul R Estate Of
Mailing address
Guilfoyle Nicole 4411 23Rd St San Francisco CA 94114
Last sale
061496

Landlord portfolio

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

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Augrented Insights
Initial analysis

The three-story, dual-unit multi-family residential building at 4411 23rd Street in Noe Valley, owned by the estate of Paul R. Guilfoyle, was constructed in 1906 and has undergone several maintenance and improvement projects over the years. The most significant recent improvement was a comprehensive bathroom remodel in 2014 at unit #4411, which included tub and sink replacements as well as tile work, with associated plumbing and electrical permits totaling approximately $9,037. Earlier structural work included window replacement in mid-2014 (with energy-efficient vinyl frame), though several older permits from the 1980s and 1990s for stair repairs and roofing work show as expired.

The property's maintenance record over the past decade reveals several infrastructure issues in the surrounding vicinity, though none directly related to the building's structure or systems. There have been multiple parking enforcement incidents near the property, with two documented cases of driveway blocking in December 2024, and one instance of sidewalk parking in April 2020. The neighborhood experienced recurring street lighting issues, with two burnt-out streetlights reported in 2011 and 2014, both of which were promptly repaired. Other minor incidents included a non-offensive graffiti complaint on a pole in December 2013 and the resolution of a burnt-out streetlight in July 2014, all of which were addressed by the respective city services. The building appears to have received regular maintenance updates, with the most recent significant renovation focusing on modernizing unit #4411's bathroom facilities.

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

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Risk rating

How 4411 23Rd 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
54th percentile

Out of 1879 buildings in this neighborhood, 864 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
79%
No DBI
violation
21%
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.

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 62.7%
Moderate concern 20.0%
Severe concern 17.2%
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

4411 23Rd 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 4411 23Rd 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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