Mountainside homes and adding space upstairs
Mountainside is a quiet borough bordering the Watchung Reservation, known for 1950s and 1960s ranches, split-levels, and colonials on larger, often sloped lots. Those slopes can open up walk-out basements and big lower-level windows.
Ranches: going up
Ranches in Mountainside usually don't have enough roof height for a dormer. The usual answer is a partial or full second story. We assess the foundation and framing first.
Split-levels
Split-levels in Mountainside rarely suit a traditional dormer, but raising the roof over the bedroom wing can add a real room. We'll tell you honestly what your house can do.
Sloped lots
On sloped Mountainside lots, ground-level additions can require expensive foundations. Building up with a dormer often avoids that cost.
Mountainside pricing
A finished rear shed dormer on a Mountainside Cape typically runs $105,000 to $170,000 with an upstairs bathroom, reflecting the finish level typical here. Gable dormers run $18,000 to $32,000 each.
Build a planning estimate with the dormer cost calculator →
Permits in Mountainside
Dormers in Mountainside need stamped drawings and a building permit from the Mountainside construction office, and some projects also need a zoning review for height or bulk. DMF coordinates the architect and engineer, files everything, and represents the project at a zoning board hearing if one is needed.
How a Mountainside project runs
- Site visitWe measure upstairs, check framing, stairs, and zoning.
- Concept & priceA sketch of what's possible and a written price range.
- Design & permitsArchitect, engineer, zoning check, and building permit.
- BuildRoof off and dried in within days; finished in 10–16 weeks.
- FinalInspections, certificate of approval, walkthrough.
What neighbors say
“The projects went pretty smooth, they are very honest and fair, punctual which most important now a days.”
“The pricing was fair and competitive compared to other quotes that I have gotten. They gave me a step by step outline.”