A fixed-price addition project from our Plano-based DFW team serving Murphy homeowners, with designers, project leads, and tradespeople who finish on the day they said they would. Eleven years, one promise: your quote is your price.
A home addition in Murphy typically runs $120,000 to $400,000, depending on whether you are bumping out a single room, adding a primary suite, or building a full second story. Larger, more complex additions on Murphy’s bigger homes can push past that range. Permits are pulled from the City of Murphy Building Inspection Division (Permits & Inspections) at City Hall, not Collin County, since Murphy is an incorporated city. The biggest Murphy-specific cost driver is the housing itself: these are large early-2000s brick homes with open floor plans, so a new room or suite has to tie into an existing foundation, match brick and rooflines that may be hard to source 15-25 years later, and clear architectural review from a mandatory HOA before work begins. Engineered foundations for room additions add design cost. UHS prices each addition as a fixed number, with a 1-year workmanship warranty. For a line-item look at where the money goes, see our DFW remodel cost guide.
We handle survey, setbacks, engineering, HOA and permits before demolition. If your lot cannot take the footprint, you will hear it at the first walkthrough.
Fixed scope and a written schedule before anyone breaks ground in your yard.
Murphy is a community of large, brick-clad single-family homes, and that makes it one of the best places in Collin County to add square footage. Roughly three-quarters of the city’s homes were built after 2000, during the boom that followed the President George Bush Turnpike, so most are now 15-25 years old and sitting on the generous lots and open floor plans of planned subdivisions like Maxwell Creek, Rolling Ridge Estates, and Murphy Farms. Many already have four, five, or six bedrooms, yet families still outgrow them. A home addition lets you stay in your neighborhood, your Murphy ISD or Wylie ISD school zone, and your yard near Murphy Central Park while gaining a primary suite, a sunroom, a bonus level, or an in-law wing. UHS Remodeling has built additions across DFW since 2014 on a fixed price.
We build home additions across Murphy, including Willow Bend, Legacy West, Deerfield, Hunters Glen, Russell Creek, and West Murphy Estates.
Site walk, scope (bedroom, master wing, second story), zoning + setback review, budget alignment.
Architectural drawings, structural engineer review, exterior match planning, MEP routing.
City of Murphy plan review, HOA architectural committee, energy code compliance. Average 3-5 weeks.
Foundation, framing, roof tie-in, MEP rough-in, insulation, drywall, finish-out. 12-22 weeks per scope.
Final inspection, punch list, certificate of occupancy filing, 1-year warranty active.
New slab and framing tied into the existing structure.
Matched brick and tinted mortar at the old-to-new seam.
Design and structural engineering run first, and city plan review plus the HOA architectural committee average three to five weeks before anyone breaks ground.
“An addition in Murphy is half permits, half craft. We pre-meet with the city’s plan review before drawings are stamped — that’s why our additions break ground 6 weeks after contract, not 14.”
From our Plano home addition case study — engineering, permits and the brick match. View all →
Which one is right depends on your lot line, your slab and your roof — not on a catalog.
Renderings from our design studies — the finished Murphy projects are above.
Ranges include foundation, framing, roof, systems and finishes — everything but landscaping.
All ranges include architectural drawings, engineering, materials, labor, permits, foundation, framing, MEP, finishes, and 1-year warranty. Sourced against NARI Cost vs. Value 2025 and your city building code requirements.
Single-room addition (250-450 sqft): bedroom, office, sunroom. Exterior match, standard finishes, full MEP.
Master wing or large family room (450-800 sqft): primary suite + bath, formal dining add-on, or great room expansion.
Second story or full custom (800+ sqft): structural foundation work, full second floor, matched exterior, custom millwork.
Additions live or die on setbacks, easements and lot coverage — and every DFW city writes those rules differently. We have permitted additions across Murphy and the neighboring cities, which means we can tell you in one visit whether the footprint you want is legal on your lot.
We deliver home addition across the northern DFW suburbs. See our home addition in Frisco, Allen, and McKinney.
Daniel B. on a DFW job site.
Your construction lead, Daniel B., runs your addition from framing to final inspection.
Sourced from NARI Cost vs. Value 2025, Texas Real Estate Commission, International Code Council, and 11 years of fielding the same calls in Murphy. Looking for ballpark numbers? Try our cost calculator.
Most home additions in Murphy run $120,000 to $400,000. A single-room bump-out sits at the lower end, while a primary-suite addition or a full second story lands higher; very large additions on Murphy’s big brick homes can exceed that range. UHS Remodeling quotes each project as one fixed price rather than an hourly estimate.
Yes to both. Permits come from the City of Murphy Building Inspection Division (Permits & Inspections) at City Hall, not Collin County, because Murphy is an incorporated city. On top of that, nearly every Murphy subdivision, including Maxwell Creek and Rolling Ridge Estates, has a mandatory HOA whose architectural committee must approve the addition’s design and exterior before the city permit proceeds.
Murphy’s homes are large brick single-family houses, mostly built in the early 2000s on sizable lots with room to expand. With most homes now 15-25 years old and many already at four to six bedrooms, families prefer adding a suite, sunroom, or bonus level over leaving the neighborhood and their Murphy ISD or Wylie ISD schools. The big lots and yards give real space to build outward or up.
A home addition in Murphy typically ranges from $120,000 to $400,000, depending on size, foundation, and whether it is single- or multi-story.
Yes — every addition we build includes structural engineer review. The cost is included in our fixed quote.
Yes. We source manufacturer-matched brick, stone, and siding. For discontinued lines, we work with local brick dealers to find aged-match material.
Less than a whole-home remodel. We seal the existing house with vapor barriers during framing and only break through the load-bearing wall at the very end of construction.
Yes. We pour all-new slab or pier-and-beam foundation depending on what your existing house uses.
Almost always. We prepare full ACC submissions including elevations, materials samples, and site plans.
Sometimes. We bring in a structural engineer first to check if your existing foundation and load-bearing walls can carry the additional weight.
Yes. Once design is locked and permits are submitted, your price is your price.
North Texas sits on highly expansive clay soil that swells during wet months and shrinks during summer droughts, which can shift foundations by several inches over seasonal cycles. That is why every room addition we build in Murphy and Frisco starts with a foundation plan designed by a licensed structural engineer for the specific soil conditions of the lot. Typical solutions include steel-reinforced slab foundations and concrete piers that reach below the active soil zone, so the new addition moves with the original home instead of pulling away from it. Skipping this step is the most common cause of cracked brick, sticking doors, and separated rooflines in DFW additions.
Tell us what you need more of and we’ll walk the lot, check the setbacks, and give you an honest budget range before you commit to anything.
