Four Season Rooms/Screen Rooms/ Three Season and Single Room Additions Cost Guide
WHAT’S INCLUDED: Finalize floor plan and 3D renderings . Working with our Assistant Project Manager and suppliers to help you make all of your product decisions. All permits, demolition, debris removal, portable toilet on site, all materials to include building materials, footings, decking, railings, stairs to ground with cement pad. All managed by our professional Project Managers and using our online project management system in order to provide great communication and a stress-free experience. All work done to meet all Massachusetts and Connecticut Building Codes.
*Each budget range does not necessarily include every item listed below it. It is meant to show options that can increase prices in that budget range or that may move you to a higher budget range.
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$95K+ 4-Season Room
- 260 square feet or smaller
- Helical pile footings
- Deck height of 4 feet off the ground or lower
- White vinyl windows (gliding or double hung)
- Half-glass exterior door
- Midgrade composite landing with one set of stairs to ground
- Standard vinyl siding
- Standard aluminum-wrapped trim work
- Standard interior colonial trim
- Luxury vinyl plank flooring
- Electrical to code with up to 6 recessed lights and 1 paddle fan
- One exterior light and outlet
- Mini-split heating and cooling system
- Insulation to code
- Plaster and painting
There are many options and scenarios that can affect the mid-range cost of a project. These pricing tiers are designed to provide a general baseline, along with the types of features that can increase the overall investment.
For screen rooms and 3-season rooms, you can expect a starting point of $75,000+ for a standard build and $130,000+ for an upscale version.
$150K+ Custom 4-Season Room
- 260 square feet or larger
- Helical pile footings
- Deck height of 5 feet off the ground or higher
- Finished underside for storage
- Gliding or double hung windows (non-standard white vinyl)
- Full-glass exterior door with matching storm door
- 170 square foot composite deck with vinyl railings and one set of stairs to ground
- Upgraded siding with PVC trim work
- Skylights
- Upgraded interior trim
- Hardwood floors
- Electrical to code with up to 12 recessed lights and/or 2 paddle fans
- Mini-split heating and cooling system
- Spray foam insulation to code
- Plaster and paint
- Multiple exterior lights and/or outlets