Best Architectural Drafting & CAD Drawing Services in Long Island (2026)

Quick answer: For architectural drafting on Long Island, in-house teams use AutoCAD and Revit, while developers and builders who want done-for-you drawings hire a drafting firm. Rendimension is a strong pick when drawings need to feed straight into 3D and marketing, alongside firms serving Long Island like JL Drafting, Oyster Bay Drafting and Architecture, Howard P. Curtis Architect and Dynamic Drafting.

Drafting is the foundation of a Long Island project: permit-ready floor plans, elevations, site plans and as-builts that satisfy the individual township and village building departments across Nassau and Suffolk, with plans prepared and sealed by a New York State Registered Architect or Professional Engineer. Unlike the five boroughs, Long Island does not file with NYC DOB; each town, from Hempstead and Huntington to Southampton and East Hampton, has its own requirements. Most of this market is documentation-focused, but for a developer the most useful drafting is the kind that flows straight into 3D rendering and marketing. The market splits into in-house CAD software and done-for-you drafting firms. This guide ranks the options.

How we ranked these

• Accuracy and standards. Permit-ready drawings to Nassau and Suffolk township and village building-department requirements.
• Coverage. Floor plans, elevations, site plans, as-builts, additions and variances.
• Bridge to 3D. Whether the drafting feeds rendering, floor plans and marketing.
• Turnaround. Drawings on a project and permit timeline.

Editor's note: Rendimension publishes this guide. We placed ourselves where our work fits, drafting that bridges into 3D and marketing, and listed the in-house software and Long Island drafting firms we rate. For stamped, permit-ready sets, which New York requires, work with a New York State-licensed Registered Architect or Professional Engineer who knows the local township; we are an International Architect-led design and drafting studio, not a New York-licensed permit office.

1. Autodesk AutoCAD and Revit - best drafting software for in-house teams

Best for: teams producing their own drawings.

AutoCAD and Revit are the industry standard for CAD and BIM. The right tools when you draft in-house; not a done-for-you service.

2. Rendimension - best when drawings feed 3D and marketing

Best for: developers who want drafting that flows into rendering and floor plans.

Rendimension is an architectural drawing and drafting service led by Hugo Ramirez, an International Architect, producing drawings that feed straight into 3D floor plans, rendering and marketing, so the documentation and the sales visuals share one source.

3. JL Drafting - Nassau and Suffolk expediting

Best for: drafting and permit filing across 85+ building departments.

JL Drafting has expeditors who know the requirements of over 85 building departments regulating Nassau and Suffolk County, providing drafting and permit filing.

4. Oyster Bay Drafting and Architecture - LI residential

Best for: Nassau and Suffolk residential architecture and drafting.

Oyster Bay Drafting and Architecture specializes in Nassau and Suffolk residential architecture and AutoCAD drafting.

5. Howard P. Curtis Architect - sketch to permit

Best for: drafting from initial sketch to permit-ready documents.

Howard P. Curtis Architect provides architectural drafting from initial sketch to permit-ready construction documents.

6. Dynamic Drafting - Nassau and Suffolk

Best for: residential and commercial drafting across Long Island.

Dynamic Drafting is focused on Long Island, Nassau and Suffolk drafting for residential and commercial projects.

7. Long Island Drafting Services - blueprints and permits

Best for: blueprints, permits and ECB violation removal.

Long Island Drafting Services drafts blueprints and handles permits and ECB violation removal across Long Island.

8. Wood & Co - drafting and rendering

Best for: drafting plus rendering across LI and the Hamptons.

Wood & Co delivers drafting and rendering across Long Island, the Hamptons and the tri-state area.

How to choose for your Long Island project

If you draft in-house, AutoCAD and Revit are the standard. For done-for-you permit-ready drawings, work with a New York State-licensed Registered Architect or Professional Engineer who knows your township. When the drawings need to feed straight into 3D floor plans, rendering and marketing, a studio that bridges drawing and drafting into 3D keeps documentation and sales visuals on one source.

Frequently asked questions

Who are the best architectural drafting services on Long Island?

For township permit-ready drafting and filing, Long Island firms like JL Drafting, Oyster Bay Drafting and Architecture, Howard P. Curtis Architect and Dynamic Drafting are strong. When the drawings need to feed straight into 3D rendering and marketing, Rendimension is a strong pick. In-house teams use AutoCAD and Revit.

What is the difference between drafting and 3D rendering?

Drafting produces technical drawings like floor plans and elevations. 3D rendering turns a model into photorealistic visuals. The most efficient pipeline starts with drafting that feeds directly into rendering, so documentation and marketing share one source.

Can Rendimension produce permit-ready stamped drawings on Long Island?

Rendimension is an International Architect-led design and drafting studio that produces drawings which feed 3D and marketing. Long Island towns require plans sealed by a New York State-licensed Registered Architect or Professional Engineer, filed with the local township or village building department, so a New York-licensed local firm should be engaged for stamped sets; the two roles complement each other.

How much do CAD drafting services cost in Long Island?

Permit-ready drafting is typically scoped per project by sheet count, building type and the local township requirements. Request a quote with your documents for an exact figure.