New York Subdivision Law and Platting
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Agenda
Webinar instructions will be emailed 24-48 business hours before the date of the webinar. Please log into the webinar 10-15 minutes before start time.
Thursday, March 12, 2026
8:30 am – 4:00 pm EDT
Agenda:
Presented by Carol A. Sigmond
New York State Realty Subdivision Laws: Article 17, Title 15
- Purpose of subdivision regulations
- Role of state and local governments
- Definitions
- Local regulations
Preparing, Filing, and Approving Plans
- Planning considerations
- Plans required to be filed and approved
- Fees
- Duty of county clerk or registrar
- Remedy for purchasers of unapproved subdivision parcel
Subdivision Review Process
- Objectives
- SEQRA and referrals
- State agriculture districts and other interested parties
- Defining subdivision
- Subdivision review process
- Plat review
Multiple Dwellings, Stacked Homes, and Manufactured Homes
- Requirements of the multiple dwelling law
- NY condominium law
- Regulatory issues for stack/mutliple dwellings
- Regulatory issues for manufactured homes
- Foundations, set backs utilities
Zoning Regulations
- Subdivision compliance, process and tools
- Local subdivision regulations
- Density considerations – urban and suburban
Enforcement
- Regulations
- Subdivisions, condominiums, and multiple dwellings
- Terminating/vacating/cancelling subdivisions
Webinar Instructions
All attendees must log-on through their own email – attendees may not watch together if they wish to earn continuing education credit. HalfMoon Education Inc. must be able to prove attendance if either the attendee or HalfMoon Education Inc. is audited.
Certificates of completion can be downloaded in PDF form upon passing a short quiz. A link to the quiz will be sent to each qualifying attendee immediately after the webinar. The certificate can be downloaded from the Results page of the quiz upon scoring 80% or higher.
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Credits
Engineers
6.5 PDHs
Land Surveyors
6.5 PDHs
Architects
6.5 CE Hours
AIA - American Institute of Architects
6.5 HSW LUs
Attorneys
6.5 CLE Hours
APA/AICP - American Planning Association/American Institute of Certified Planners
6.5 CM*
Continuing Education Information
This webinar is open to the public and is designed to qualify for 6.5 PDHs for professional engineers and land surveyors and 6.5 HSW continuing education hours for licensed architects in New York.
HalfMoon Education is deemed an approved continuing education sponsor for New York engineers, land surveyors, and architects via its registration with the American Institute of Architects Continuing Education System (Regulations of the Commissioner §68.14(i)(2) and §69.6(i)(2)).
The American Institute of Architects Continuing Education System has approved this course for 6.5 HSW LUs (Sponsor No. J885). Only full participation is reportable to the AIA/CES.
HalfMoon Education is certified by the New York State CLE Board as an Accredited Provider of CLE programs. This nontraditional course offers 6.5 Areas of Professional Practice CLE hours, which are appropriate for experienced attorneys. HalfMoon Education will provide financial hardship assistance to New York attorneys who wish to attend this event. Contact Frank Chapman at fchapman@halfmoonseminars.org for details and to apply.
*HalfMoon Education is an approved CM Provider with the American Planning Association. Due to ongoing APA website maintenance, courses cannot be registered at the time of writing. This course is designed to qualify for CM | 6.5 for Certified Planners.
Attendance will be monitored, and attendance certificates will be available after the webinar for those who attend the entire course and score a minimum 80% on the quiz that follows the course (multiple attempts allowed).
*On-Demand Credits*
The preceding credit information only applies to the live presentation. This course in an on-demand format does not qualify for CLE credit in New York and is not pre-approved by any licensing boards. The following pre-approvals may be available for the on-demand format upon request:
6.5 HSW PDHs (AIA)
Speakers
Carol A. Sigmond
Partner at Greenspoon Marder LLC, in New York, NYWith more than four decades of legal experience, Ms. Sigmond focuses her practice on construction and real estate industry matters, including arbitration, appeals, bid protests, contract preparation, mediation, litigation, receivership and suretyship. She represents clients in construction defect litigation relating to issues that arise when adjacent owners develop their properties, as well as expediting a builder’s construction project by ensuring that the proper contracts are in place.
As a seasoned practitioner, Ms. Sigmond has a history of litigating construction disputes for public works and buildings in both the public and private sectors. She also has extensive knowledge of preparing contract documents, including design-build, construction management, guaranteed maximum price, and fixed-price contracts. Additionally, Ms. Sigmond is an experienced mediator and arbitrator handling construction or real estate cases for the New York County Supreme Court Commercial Division Roster of Volunteer Mediators and the American Arbitration Association’s Roster of Construction Industry Arbitrators.
For several years, Ms. Sigmond has taken an active role in shaping the construction law community in New York. She is a former Vice President of the New York State Bar Association and a former President of the New York County Lawyers Association. Ms. Sigmond is also a frequent speaker and has authored a number of legal publications relating to construction law and publishes “The Co-Op Condo Help Line” in the monthly Mann Report. Furthermore, she was a member of Law360‘s 2020 Construction Editorial Advisory Board.
As a recognized leader, Ms. Sigmond was presented with the Boris Kostelanetz President’s Medal in 2024 by the New York County Lawyers Association, named among the Crain’s New York Business “Notable Women in Law” list for 2022, and the New York State Bar Association’s 2020 “Real Estate Section Award for Professionalism. In addition, she also received the Albert Nelson Marquis “Lifetime Achievement Award” by Marquis Who’s Who in 2019. She is also listed as “Top Rated” by New York Super Lawyers for Construction Litigation.
AIA Info
AIA Provider Statement:
HalfMoon Education Inc. is a registered provider of AIA-approved continuing education under Provider Number J885. All registered AIA/CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider of learning program may be sent to AIA/CES (cesupport@aia.org or (800) AIA 3837, Option 3).
This learning program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product.
AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.
Course Title: New York Subdivision Law and Platting
Delivery Method: Live Online
Course Description: This 6.5-hour course provides a practical overview of New York’s subdivision laws and platting process, from statutory authority and local regulations to plan preparation, review, approval, and enforcement. It also addresses zoning coordination, SEQRA, and special housing types, such as multiple dwellings, stacked homes, and manufactured housing, so professionals can navigate approvals and compliance with confidence.
Learning Objectives:
Learning Objective 1: Learners will be able to explain the purpose and structure of New York subdivision laws, including the roles of state and local governments and key definitions that determine when subdivision review is required.
Learning Objective 2: Learners will be able to prepare and evaluate subdivision plans for filing and approval, including understanding required documents, fees, clerk/registrar duties, and remedies related to unapproved parcels.
Learning Objective 3: Learners will be able to apply the subdivision review process to coordinate approvals with zoning and local subdivision regulations.
Learning Objective 4: Learners will be able to assess regulatory requirements for multiple dwellings, stacked homes, and manufactured housing, and explain enforcement tools, including modification, termination, or cancellation of subdivisions.
LUs: Pending
LU Type: LU|HSWs
Prerequisites: None
Advance Preparation: None
Program Level: Intermediate
Course Expiration Date: Pending
Complaint Resolution Policy:
Complaints regarding this course can be emailed to fchapman@halfmoonseminars.org or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation.
6.5 Knowledge Points
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