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4021-4023 24Th St

Noe Valley, SF 94114 6507030 6 units · 3 fl · 1908

This building has significantly more problems than most nearby buildings. 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 4021-4023 24Th 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 1908
2 or more units
6 units
Property type
Multi-Family Residential
Zoning
24NOE
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
Units6
Floors3
Year built1908
Total area5,390 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot6507030
Ownership

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

Owner name
John P Coyne Revoc Lvg Trus
Mailing address
1343 21st Ave San Francisco CA 94122
Last sale
062300

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.

4023 24th St, San Francisco, CA 94114
4021 24th St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The 6-unit, 3-story multi-family residential building at 4021-4023 24th Street in Noe Valley, built in 1908, has undergone several significant improvements and faced various maintenance challenges over its history. Most notably, the property completed mandatory soft-story retrofits in 2018, valued at over $70,000, to comply with seismic safety requirements. Recent improvements include adding a bathroom to unit #4023F in 2020 and electrical system upgrades, including U-fer grounding installation. The building has a history of maintenance issues requiring attention, including a 2014 dry rot repair, and was subject to multiple housing inspections that identified various violations between 2005-2017, such as fire escape maintenance needs, drainage pipe repairs, and egress obstruction issues - though all were ultimately abated by August 2017. A notable complaint in 2019 alleged non-compliance with EPA lead paint protocols during renovations, and historical records show past issues with a collapsed bathroom ceiling in 1998. The property also went through a significant planning review process regarding the potential removal of a residential unit for bank expansion, which was ultimately approved but did not proceed. Recent 311 calls from 2021-2024 primarily relate to general street cleaning and maintenance issues in the vicinity, rather than building-specific concerns.

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

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Risk rating

How 4021-4023 24Th 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
13th percentile

Out of 1879 buildings in this neighborhood, 1635 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
52%
No DBI
violation
48%
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.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

12-Month severity forecast
No violation 49.7%
Moderate concern 28.9%
Severe concern 21.4%
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

4021-4023 24Th St event timeline

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

2020
Building Permit Jan 16
To add and bew bathroom adjacent to extg bedroom at unit #4023f on 1st floor.
$15,000 · Issued
Electrical PermitJan 13
Install one # 4 u-fer grounding electrode

See all 5 events

Full history back to 2019 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 4021-4023 24Th 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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