Home Additions · DFW Cost Guide

Home Addition Cost in DFW

What adding square footage really costs in North Texas.

A home addition in Dallas–Fort Worth typically costs about $150–$350 or more per square foot — generally higher than new construction because of tying into an existing home. A modest room addition often runs $40,000–$120,000, while second-story additions and primary-suite wings run higher. Foundation, roofline and finish level drive most of the cost.

Typical home addition prices in DFW

Addition type	Typical cost
Sunroom / enclosed patio	~$25,000–$70,000
Room addition / bump-out	~$40,000–$120,000
Primary suite / second story	~$100,000–$250,000+

Typical DFW ranges (about $150–$350+ per sq ft) — your written estimate follows a design consultation.

What drives addition cost

Size & type — bump-out vs. full room vs. second story
Foundation & roof — new foundation and tying into the existing roofline
Finish level — standard vs. high-end materials
Matching — brick, siding and windows to blend with the home
Engineering & permits — structural plans, City permits and inspections
Systems — extending HVAC, electrical and plumbing

See our home additions service for how the design-build process works.

FAQ

Home Addition Cost in DFW — frequently asked questions

How much does a home addition cost in DFW?

Most additions run $150–$350+ per square foot in Dallas–Fort Worth. A room addition commonly totals $40,000–$120,000, while second-story and primary-suite additions run higher.

Why do additions cost more per square foot than new construction?

Additions require tying new foundation, framing, roofline and systems into an existing home and matching its finishes, which adds complexity and labor versus building on open ground.

Is a home addition cheaper than moving?

Often, when you factor in agent fees, moving costs and higher prices for a larger home — especially if you want to stay in a specific school zone or neighborhood. An addition keeps your location and adds exactly the space you need.

Do you handle design, engineering and permits?

Yes. We're a design-build contractor, so we manage the design, structural engineering, permitting and every trade under one accountable team.

Planning the new space? If your addition includes a kitchen or bath, our guide on planning a kitchen remodel helps you get the details right.

Plan your home addition

Get a free, no-obligation design consultation and written estimate — usually within one business day. Serving Dallas–Fort Worth & North Texas for over 25 years.

Get a Free Estimate (940) 222-3033