Queens • One Family Dwelling

621 Alonzo Rd

Queens, NY 11691Individually ownedBBL 4155100011BIN 4297704

Updated Aug 1, 2026 · 16 sources

Year Built1920
Floors3
Units1
Building Area4,473 sqft
ZoningR3X
ClassA1
Market Value$1.2M

621 ALONZO RD is a property located at 621 ALONZO RD, Queens, NY 11691. It is classified as a one family dwelling - two stories detached. The building was constructed in 1920. It has 3 floors and 1 unit. The building area is 4,473 square feet on a 8,704 sqft lot. The property is zoned R3X. The assessed market value is $1.2M. It last sold for $690K on Oct 21, 2009. Public records list the property as individually owned. There are 14 building permits on record (10 active). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

18records on file

Completed in 1920, 6-21 Alonzo Rd rises 3 stories over Queens. Public records put it at 1 unit and 4,473 square feet of floor area, on land zoned R3X. It is carried on the public rolls at a market value of $1.2M, and assessed for tax at $74.9K. In the 43 years its record reaches back, the lot has drawn 18 separate government filings.

The documentary life of the address leans hard toward permit: 14 of its 18 records, fully 78%, fall under that one heading. Mortgage (2) and sale (1) trail well behind. No 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 2025.

Read together — 78% permit, 43 years of accumulation, a parcel of Queens — these scattered records compose a portrait of the address that no single page sets out to draw.

78% of every record here performs the same act: permit.

Property Details

Address621 ALONZO RD, Queens, NY 11691
Building TypeOne Family Dwelling - Two Stories Detached
A1
Year Built1920
Floors3
Total Units1
Building Area4,473 sqft
Lot Size8,704 sqft
ZoningR3X
ConditionAverage
4155100011
4297704
OwnershipIndividually owned

Assessment & Sales

$1.2M
$75K
$22K
$690K
Last Sale DateOct 21, 2009

Building Permits

14 on record · 10 active
Alteration — Type 1DOB Legacy
PERMIT ISSUED - ENTIRE JOB/WORK
Filed Jun 26, 2026Est. cost $282KJob #421723594-01
AlterationDOB Legacy
ISSUED
Filed Jun 26, 2026Job #421723594-01-04
AlterationDOB Legacy
ISSUED
Filed Apr 30, 2026Job #421723594-01-03
FoundationDOB Legacy
ISSUED
Filed Jan 23, 2025Job #421723594-01-01
AlterationDOB Legacy
ISSUED
Filed Jan 22, 2025Job #421723594-01-02

+ 9 more permitsview full report

Violations

none on record

No violations found in local records.

Get the Complete Report for 621 ALONZO RD

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

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Frequently Asked Questions

When was 621 ALONZO RD, Queens built?

The building at 621 ALONZO RD, Queens, NY 11691 was constructed in 1920. It is classified as a one family dwelling - two stories detached with 3 floors and 1 unit. The building area is 4,473 sqft.

Are there building permits at 621 ALONZO RD, Queens?

Yes. 621 ALONZO RD, Queens, NY 11691 has 14 building permits on record, with 10 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 1 (PERMIT ISSUED - ENTIRE JOB/WORK) filed Jun 26, 2026.

Does 621 ALONZO RD, Queens have violations?

No violations were found in local records for 621 ALONZO RD, Queens, NY 11691. Violation data is sourced from DOB (safety and legacy), HPD (housing), and ECB (environmental control).

Does 621 ALONZO RD, Queens have docketed judgments?

No docketed OATH judgments were found in local records for 621 ALONZO RD, Queens, NY 11691. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 621 ALONZO RD?

621 ALONZO RD, Queens, NY 11691 has an assessed market value of $1.2M and a total assessed value of $75K (land: $22K). Assessment data is from the NYC Department of Finance (DOF).

When was 621 ALONZO RD last sold?

621 ALONZO RD, Queens, NY 11691 last sold for $690K on Oct 21, 2009. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 621 ALONZO RD?

621 ALONZO RD, Queens, NY 11691 is zoned R3X. 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 621 ALONZO RD?

621 ALONZO RD, Queens, NY 11691 is individually 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 621 ALONZO RD?

Search 621 ALONZO RD 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 adds the complete title history, owner contacts, and a downloadable PDF.

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621 ALONZO RD, Queens, NY 11691 — Property Records, Permits, Violations, Tax & Zoning | RegWatch