100 UNDERHILL AVE, Brooklyn, NY 11238 — Property Records, Permits, Violations, Tax & Zoning | RegWatch

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Year Built1899

Floors3

Units3

Building Area2,850 sqft

ZoningR6B

ClassC0

Market Value$2.7M

100 UNDERHILL AVE is a property located at 100 UNDERHILL AVE, Brooklyn, NY 11238. It is classified as a walk-up apartment - three families. The building was constructed in 1899. It has 3 floors and 3 units. The building area is 2,850 square feet on a 1,767 sqft lot. The property is zoned R6B. The assessed market value is $2.7M. Public records list the property as company-owned. There are 6 building permits on record (4 active). There are 10 violations on record (5 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

47records on file

Completed in 1899, 100 Underhill Ave rises 3 stories over Kings. Public records put it at 3 units and 2,850 square feet of floor area, on land zoned R6B. It is carried on the public rolls at a market value of $2.7M, and assessed for tax at $162K. In the 60 years its record reaches back, the lot has drawn 47 separate government filings.

The documentary life of the address leans hard toward violation: 10 of its 47 records, fully 21%, fall under that one heading. Lien (9) and sale (6) trail well behind. 5 violations stand open against it today.

The pace is anything but even. The early decades pass in near silence; the filings cluster heavily in recent years, peaking in 2026.

Read together — 21% violation, 60 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$2.7M of Kings, written across 47 government filings.

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Executive summary, compliance history, title chain & existing debt, recorded documents & agreements, owner contacts, tax detail, Use & Development, build envelope, market comps, investment metrics, deal math & stress tests, deal signals, pre-foreclosure signals, neighborhood. Downloadable PDF. One payment, no subscription.

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Sources

NYC DOB NYC HPD NYC DOF ACRIS NYC DCP ECB/OATH NYC DEP NYC LPC NYC FDNY NYS DHCR MOCEJ FEMA EPA US Census HUD USGS

latest record May 6, 2026

Property Details

Address100 UNDERHILL AVE, Brooklyn, NY 11238

Building TypeWalk-Up Apartment - Three Families

Building ClassC0

Year Built1899

Floors3

Total Units3

Building Area2,850 sqft

Lot Size1,767 sqft

ZoningR6B

ConditionAverage

BBL3011520049

BIN3028506

OwnershipCompany-owned

Assessment & Sales

Market Value$2.7M

Assessed Total$162K

Assessed Land$28K

Building Permits

6 on record · 4 active

Alteration — Type 2DOB Legacy

SIGNED OFF

Filed Aug 9, 2017Est. cost $14KJob #321177882-01

GEN. CONSTR.

View this permit's full record & inspection history →

Alteration — Type 2DOB Legacy

SIGNED OFF

Filed Aug 9, 2017Est. cost $5KJob #321177882-02

STRUCTURAL

View this permit's full record & inspection history →

Construction EquipmentDOB Legacy

ISSUED

Filed Nov 4, 2016Job #321177882-02-01

OT

View this permit's full record & inspection history →

Construction EquipmentDOB Legacy

ISSUED

Filed Oct 4, 2016Job #321177882-01-01

OT

View this permit's full record & inspection history →

Alteration — Type 2DOB Legacy

PLAN EXAM - APPROVED

Filed Apr 2, 2012Est. cost $10KJob #320379050-01

GEN. CONSTR.

View this permit's full record & inspection history →

+ 1 more permit — view full report

Violations

10 on record · 5 open

HPDClass A

NOV SENT OUT

Issued May 6, 2026#18894851

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.

View this violation's full details & status history →

HPDClass A

NOV SENT OUT

Issued Jun 11, 2025#18005649

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.

View this violation's full details & status history →

HPDClass A

NOV SENT OUT

Issued Apr 12, 2024#16875942

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.

View this violation's full details & status history →

HPDClass A

NOV SENT OUT

Issued Mar 27, 2023#15865101

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.

View this violation's full details & status history →

HPDClass A

NOV SENT OUT

Issued Mar 2, 2022#14966573

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.

View this violation's full details & status history →

+ 5 more violations on record — view full report

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Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

When was 100 UNDERHILL AVE, Brooklyn built?

The building at 100 UNDERHILL AVE, Brooklyn, NY 11238 was constructed in 1899. It is classified as a walk-up apartment - three families with 3 floors and 3 units. The building area is 2,850 sqft.

Are there building permits at 100 UNDERHILL AVE, Brooklyn?

Yes. 100 UNDERHILL AVE, Brooklyn, NY 11238 has 6 building permits on record, with 4 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Alteration — Type 2 (SIGNED OFF) filed Aug 9, 2017.

Does 100 UNDERHILL AVE, Brooklyn have violations?

Yes. 100 UNDERHILL AVE, Brooklyn, NY 11238 has 10 violations on record, with 5 currently open. Breakdown: 10 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 100 UNDERHILL AVE, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 100 UNDERHILL AVE, Brooklyn, NY 11238. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 100 UNDERHILL AVE?

100 UNDERHILL AVE, Brooklyn, NY 11238 has an assessed market value of $2.7M and a total assessed value of $162K (land: $28K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 100 UNDERHILL AVE?

100 UNDERHILL AVE, Brooklyn, NY 11238 is zoned R6B. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 100 UNDERHILL AVE?

100 UNDERHILL AVE, Brooklyn, NY 11238 is company-owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 100 UNDERHILL AVE?

Search 100 UNDERHILL AVE on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report ($15, one-time) adds the complete title history, owner contacts, and a downloadable PDF.

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100 UNDERHILL AVE, Brooklyn, NY 11238 — Property Records, Permits, Violations, Tax & Zoning | RegWatch