Nassau County 239-F Filing Services
Need a Nassau County 239-F Approval?
We help homeowners, builders, developers, and property owners navigate the Nassau County 239-F review process from start to finish.
Whether you're building a new home, adding an extension, redeveloping a property, or improving a site near county-owned infrastructure, our team prepares plans, coordinates with local municipalities, and manages submissions to help keep your project moving.
Serving Nassau County, Suffolk County, and all Long Island municipalities.
What Is a 239-F Review?
Certain projects located near county roads, drainage facilities, rights-of-way, or other county infrastructure require review by the Nassau County Department of Public Works before permits can be issued.
Nassau County requires a complete submission package including signed and sealed plans prepared by a licensed design professional.
Our Services
Residential Projects
- New Home Construction
- Tear Down & Rebuild
- Home Additions
- Dormers
- Pool Projects
- Driveway Modifications
- Accessory Structures
Commercial Projects
- Retail Buildings
- Office Buildings
- Medical Offices
- Warehouse Facilities
- Mixed Use Developments
- Site Redevelopment
Permit & Filing Services
- 239-F Application Preparation
- Architectural Plans
- Site Plan Preparation
- Zoning Analysis
- Permit Expediting
- Municipal Coordination
- County Review Responses
Our Process
Step 1
Property evaluation and zoning review.
Step 2
Prepare architectural and site plans.
Step 3
Complete and submit 239-F package.
Step 4
Respond to county review comments.
Step 5
Obtain approval and support permit issuance.
Why Clients Choose Us
- ✓ Nassau County Submission Experience
- ✓ Residential & Commercial Expertise
- ✓ Fast Turnaround Times
- ✓ Permit Expediting Support
- ✓ Licensed Architectural Services
- ✓ One Point of Contact
- ✓ Long Island Local Knowledge
- ✓ Municipal Coordination
Projects That Commonly Require 239-F Review
- New Construction Homes
- Properties Along County Roads
- Commercial Developments
- Building Additions
- Subdivision Applications
- Parking Lot Improvements
- Drainage and Utility Projects
- Curb Cut Modifications
Frequently Asked Questions
How long does a 239-F review take?
Timeframes vary depending on project complexity and county review workload.
Do I need an architect or engineer?
Yes. Nassau County requires signed and sealed plans prepared by a licensed New York design professional.
Can you handle revisions?
Yes. We coordinate responses to county comments and resubmissions.
Do you work directly with homeowners?
Absolutely. Many of our clients are homeowners building or expanding their residences.
Areas We Serve
Bellmore • North Bellmore • Merrick • Wantagh • Seaford • Massapequa • Levittown • East Meadow • Garden City • Hempstead • Oyster Bay • Long Beach • All Nassau County & Long Island