Free SF apartment background check

4000 24Th St

Noe Valley, SF 94114 3656008 5 units · 3 fl · 1903

This building has significantly more problems than most nearby buildings. A handful of unresolved issues. Worth a careful walk-through and pointed questions.

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 4000 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 1903
2 or more units
5 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
Units5
Floors3
Year built1903
Total area4,265 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3656008
Ownership

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

Owner name
Gianaras Living Trust
Mailing address
John & Vi Gianaras 1144 Ragatz Ln Napa CA 94558
Last sale
042699

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.

1092 Noe St, San Francisco, CA 94114
4000 24th St, San Francisco, CA 94114
1090 Noe St, San Francisco, CA 94114
Augrented Insights
Initial analysis

The property at 4000 24th Street in Noe Valley is a three-story, five-unit multi-family residential building with ground floor commercial space, owned by Gianaras Living Trust and constructed in 1903. The building has undergone several significant improvements and faced multiple safety-related issues in recent years. Most notably, there is currently an active complaint (as of October 2023) regarding unauthorized electrical work, specifically the installation of multiple outdoor outlets above the building's awnings to power street structures. The building has experienced recurring fire escape-related concerns, with violations and corrections noted in 2024, 2023, and 2021, including a "Violation Issued" for fire escape issues in October 2023. Recent safety upgrades have included the installation of an Ansul fire suppression system in 2015, replacement of fire alarms, and various accessibility improvements.

The building's history includes several necessary maintenance and upgrade projects, particularly in 2014-2015, when substantial work was performed including bathroom ADA upgrades, fire system replacements, a restaurant remodel, and kitchen improvements. Multiple fire safety violations were recorded between 2002 and 2007, including issues with fire escapes, guardrails, and fire extinguisher maintenance, though these have been resolved. Recent fire-related inspections in 2024 and 2023 indicate ongoing attention to safety systems, though both incidents resulted in violations that were subsequently corrected. The property has also been subject to various 311 calls regarding the surrounding area, primarily related to garbage and debris issues along the street, though these are not directly related to building conditions.

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

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Risk rating

How 4000 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
12th percentile

Out of 1879 buildings in this neighborhood, 1654 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
50%
No DBI
violation
50%
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.

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 50.8%
Moderate concern 30.6%
Severe concern 18.5%
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

4000 24Th St event timeline

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

2026
311 Request Feb 24
Affixed improperly
Illegal Postings
311 RequestJan 20
Garbage and debris

See all 11 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 4000 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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