Blending seamlessly with existing structures is paramount in all our addition projects. We are delighted with the outcome of this 1250 sq. ft. guest house.

The owners have added stunning finishing touches throughout the space, elevating the natural light, open layout, and seamless outdoor access via large sliding doors.

Considering a similar project? We’re ready to assist. Reach out to schedule a consultation, and let’s bring your vision to life.

Project Overview

  • Project Type: Backyard Casista
  • Size: 1250 sq. ft
  • Location: Peoria, AZ
  • Use: Guest house, pool room, game room
  • Connection: Detached stand alone
  • Year Built: 2021

Pricing Breakdown

*The below costs are actual costs of the above project.
*Pricing is subject to change and all jobs are unique. 

  • Project Type: Backyard Casista
  • Size: 1250 sq. ft
  • Location: Peoria, AZ
  • Use: Guest house, pool room, game room
  • Connection: Detached stand alone
  • Year Built: 2021

What This Cost Included

This project cost included the full scope of design coordination, engineering, and permitting required for an attached casita addition in Glendale, Arizona.

Construction costs covered all major phases of the build, including concrete foundation work, rough carpentry, roof framing, roofing, exterior stucco, insulation, drywall, and finish carpentry to create a complete and livable guest space.

Mechanical, plumbing, and electrical systems were installed through both rough-in and trim-out phases to support a fully functional bedroom and bathroom suite, along with utility connections tied into the existing home.

Additional components included windows, doors, and glazing, as well as site-related costs such as tree removal, equipment rentals, and waste management required to support construction.

Project management, general conditions, overhead, and contractor profit were included to coordinate the work, manage scheduling, and deliver the project from start to finish.

 

Description Final Cost Price per sq. ft
Concrete $12,449.00 $9.96
Rough Carpentry $26,725.00 $21.38
Roofing $5,572.45 $4.46
Mechanical Rough In $6,937.00 $5.55
Plumbing Rough In $19,290.62 $15.43
Electrical Rough In $5,693.00 $4.55
Windows, Glass and glazing $10,672.10 $8.54
Insulation $1,620.00 $1.30
Stucco/Siding $9,067.00 $7.25
Drywall $9,246.00 $7.40
Tub/Shower Surround $0.00 $0.00
Doors, Frames, Hardware (Installed) $6,473.78 $5.18
Tree Removal or Landscape $862.40 $0.69
Temporary Toilet $1,129.17 $0.90
Dumpsters $540.00 $0.43
Equipment Rentals $3,190.86 $2.55
Misc. $3,569.00 $2.86
Engineering & Professional Services $2,064.50 $1.65
Subtotal $125,101.88  
Overhead Profit (20%) $25,020.38  
Grand Total $150,122.26 1250 sq. ft.
Cost per sq. ft.    $120.10

Costs shown reflect actual construction costs for this project at the time it was built. Pricing varies based on scope, finishes, site conditions, and market factors.

Plans

During Construction

Gallery