●Park Ridge: Des Plaines, IL◷Mon–Fri 7:00–17:00 · Sat by appointment(847) 555-0139
NBNORTHLINE BUILDERSSince 2011 · Des Plaines, IL UA Get a free estimate
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Home addition

More room without leaving the street you like.

An addition touches the roof, the foundation and usually the furnace. We plan all three before the first cut, so the new part does not fight the old one.

What’s included

  • Structural drawings included
  • Roofline matched to the existing house
  • You keep living in the house while we build

How we work

Site visitWe walk the lot, measure, and tell you honestly what the city will allow.
Drawings & permitsArchitect, structural drawings and every permit — filed and chased by us.
BuildWeekly photo report and a schedule that names the date for every stage.
HandoverPunch list walked together, warranty in writing, final payment after.

Questions & answers

Do you handle permits?

Yes — drawings, filing and inspections are part of the contract. You sign, we queue.

How firm is the schedule?

Every stage has a date in writing. Weather and city inspections are the only things that move it, and we tell you the same day.

Ready when you are

Get a free estimate online or call — we answer the same day.

☎ (847) 555-0139Get a free estimate