Smithtown, NY · Suffolk County

Subdivision Application

This 13-page application requests Smithtown Planning Board approval of a subdivision plat and is filed by the applicant or subdivider with supporting materials and required signatures.

Detailed form~25 min to notarize
  • licensed online notary
  • ~15 min average
  • Notarized PDF emailed

What you’ll need

  • Government-issued photo ID
  • Webcam-enabled device (laptop or phone)
  • This form, ready to upload as a PDF

What this form is

The packet includes the subdivision plat application, preliminary and final plat acknowledgments, a final plat application letter, and related utility, school board, grading, dedication, and stormwater materials. The applicant provides site, ownership, and subdivision details; if the applicant does not own the property, the owner’s endorsement authorizes the application. Smithtown’s form says original copies are required and faxed or photocopied submissions are not acceptable.

Who needs it

An applicant seeking Smithtown Planning Board subdivision plat approval needs this packet, with an owner’s endorsement when the applicant does not own the property.

Why it needs a notary

The applicant signs the application’s sworn statement before a notary, and the property owner signs the separate sworn Owner’s Endorsement before a notary.

How to get this notarized

  1. 1

    Download The Form

    Download Smithtown’s subdivision application packet and its separate instructions.

  2. 2

    Fill In The Application

    Provide applicant, owner, site, and subdivision details, and prepare the Owner’s Endorsement if the applicant does not own the property.

  3. 3

    Book An Online Notary

    Schedule a session with a commissioned online notary for the sworn signatures.

  4. 4

    Sign On Video

    Sign the applicable sworn statement and Owner’s Endorsement during the video session.

  5. 5

    Submit To Smithtown

    Assemble required supporting materials and submit original copies to the Smithtown Planning Board.

Preview the form

The blank PDF straight from Smithtown. Look it over, then upload your filled copy to start the notary session.

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You’ll need ID and a webcam.

A licensed online notary will join you on video, verify your government-issued ID, witness your signature, and apply their seal. You’ll receive the notarized PDF by email when the session ends.

Frequently asked questions

How do I get the subdivision application notarized?
Complete the applicable sections, then sign the applicant’s sworn statement and, if needed, the Owner’s Endorsement during a video session with a commissioned online notary.
Do I need an owner’s endorsement?
The form says to prepare the Owner’s Endorsement if the applicant does not own the property. It authorizes the applicant to apply for subdivision plat approval.
Can I submit a remotely notarized application?
New York authorizes remote online notarization by a commissioned online notary under Executive Law §135-c. Check with the Smithtown Planning Department about submission procedures; the form requires original copies and rejects faxed or photocopied submissions.
What supporting materials are included in the packet?
The packet lists items such as plat prints, street profiles, a drainage and regrading plan, a title search, utility company letters, and a school board acknowledgment. Confirm with the city, town or village if unsure.

Subdivision Application in other New York cities

Each city publishes its own version of this form. Pick the city where you’re filing.

Ready to notarize your Subdivision Application?

Drop your email below — we’ll hand you straight to a licensed notary in the next session.