Free SF apartment background check

4031-4033 24Th St

Noe Valley, SF 94114 6507028 3 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.

12-Month Maintenance Forecast

43%

(risk — lower is better)

Generally fine

Estimated probability of a DBI violation or complaint in the next 12 months.

7-YEAR TREND Violations + complaints / yr

'20

'21

'22

'23

'24

'25

'26

'27*

*Next year, projected from recent activity and predicted risk.

7-Year Historical Counts

0

NOVs (7y)

1

DBI Complaints (7y)

43

311 Calls (7y)

0

Fire Incidents

0

2nd NOVs

0

Dir. Hearings

0

City Atty

0

Permits (7y)

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Rent & eviction protection

Is 4031-4033 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

3 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

Units	3
Floors	3
Year built	1908
Total area	—
Property type	Multi-Family Residential
Tax status	None
Blocklot	6507028

Ownership

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

Owner name

Olivia Chin Tr

Mailing address

Chin Stella Ka Yee Ttee Po Box 70256 Sunnyvale CA 94086

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.

4033 A 24th St, San Francisco, CA 94114

4031 24th St, San Francisco, CA 94114

4033 24th St, San Francisco, CA 94114

Augrented Insights

Initial analysis

The 4031-4033 24th Street property is a 3-unit, 3-story multi-family residential building located in Noe Valley, constructed in 1908 and currently owned by Olivia Chin Tr. The building has undergone several significant maintenance and improvement projects over the years, with the most recent being a gas line repair and hydro jet sewer work completed in April 2023. A concerning active plumbing complaint was filed in March 2024 regarding an allegedly old and illegal gas water heater, which remains under investigation by the Plumbing Inspection Division. The property has experienced various infrastructure modifications, including a complete reroofing in 2001 (at a cost of $5,700), water pipe installation in 2008, and historical kitchen and bathroom improvements dating back to 1986-1994.

The building's inspection history reveals several important issues, particularly during the late 1990s, including a significant flue pipe safety concern in 1999 that was promptly addressed. More recent inspections have shown relatively routine oversight, with water intrusion complaints in 2007 (though these were quickly resolved) and a recent fire alarm system malfunction in late 2023 that was corrected within a month. While the building itself has had its share of maintenance and permit activity, there has been noticeable ongoing external activity in the vicinity, as evidenced by multiple 311 calls in 2024 primarily related to garbage, debris, and general cleaning issues on the street and sidewalk surrounding the property. The property has maintained compliance with major housing regulations, with routine inspections showing no significant code violations, though the recent gas water heater complaint will require attention.

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

Risk rating

How 4031-4033 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

18th percentile

Out of 1879 buildings in this neighborhood, 1541 are predicted to be safer.

RiskiestSafest

Predicted 12-month outcome

57%

No DBI
violation

43%

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.

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.

Permit rate, owner's portfolio

Per-building permit rate across the owner's portfolio.

12-Month severity forecast

No violation 60.0%

Moderate concern 28.3%

Severe concern 11.7%

Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.

Apartment reviews

4031-4033 24Th St apartment reviews

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On the map

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The story over time

4031-4033 24Th St event timeline

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

2024

DBI Complaint Mar 19

Gas water heater old and illegal under the code. believes it is dangerous. the name is supercuts.super cuts hair salon. --- caller reporting that he thinks the water heater is the wrong type for use. it's old and faulty. possibly dangerous. a customer complaint. (311 sr 18035241 3/25/24)

Plumbing Inspection Division

See all 3 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 4031-4033 24Th St apartments

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

What this is

Permits issued by the SF Department of Building Inspection for new construction, alterations, and repairs. Includes estimated cost and current permit status.

Permit #	Description	Cost	Filed	Status
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What this is

Plumbing permit applications filed with the SF Department of Building Inspection. Covers plumbing installation, repair, and replacement work.

Permit #	Description	Filed	Status
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What this is

Electrical permit applications filed with the SF Department of Building Inspection. Covers electrical wiring, panel upgrades, and related work.

Permit #	Description	Filed	Status
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What this is

Notices of Violation issued by the SF Department of Building Inspection for code violations. Unresolved notices can escalate to legal action.

Date Filed	Complaint #	Description	Item	Category	Status
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What this is

Complaints filed with the SF Department of Building Inspection about code violations. Tracks the complaint lifecycle from filing through abatement or referral.

Complaint #	Date Filed	Date Abated	Division	Status	Description
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What this is

Planning Department project entitlements — discretionary review, conditional use, variances, and environmental review for this parcel.

Address	Opened	Closed	Status	Description	Applicant
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What this is

Planning Department administrative and compliance records that are not full project entitlements — pre-application meetings, code violations, and referrals.

Address	Opened	Closed	Status	Description	Applicant
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What this is

SFFD fire incidents geo-joined to this parcel. Covers structure fires, alarms, and emergency responses with injury and fatality counts.

Date	Situation	Civilian Injuries	Civilian Fatalities
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What this is

Fire code violations issued by the SFFD. Tracks corrective actions required and resolution status for fire safety code enforcement.

Violation Date	Description	Corrective Action	Status	Close Date
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What this is

Fire code complaints received by the SF Fire Department geo-joined to this parcel. Includes complaint type, disposition, and outcome.

Received	Description	Disposition Date	Disposition
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What this is

SF 311 service requests geo-joined to this parcel. Includes maintenance complaints, street/sidewalk issues, and quality-of-life requests.

Opened	Type	Agency	Category	Details	Status
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What this is

Buildings subject to SF's mandatory soft-story seismic retrofit program. Unreinforced multi-story wood-frame buildings must meet compliance tiers.

Tier	Status
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What this is

Tenant buyout (Ellis Act pre-cursor) agreements recorded with the SF Rent Board. Tracks amounts paid to tenants to vacate rent-controlled units.

Disclosure Date	Buyout Date	Amount	Tenants
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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning