How Much Does it Cost to Add a Master Bedroom and Bath?

For a master suite addition, you will pay $25,000 to $100,000 or $62,500 on average. Adding a bedroom and bathroom to your home typically falls in the $35,000 to $84,000 range, depending on the room size, features and material quality. These projects are usually $80 to $200 per square foot.

Find out how much your project will cost.

Whether an extensive remodel, new addition or simply sprucing up your space, the changes will increase your home's value. You may need a variety of people to make it happen: electricians, plumbers, construction workers, tile layers, drywall experts and decorators. The size and scope will affect everything, especially your budget.

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Average Cost to Build a Master Bedroom & Bathroom

Average Cost$62,500
High$100,000
Low$25,000

Master Suite Addition Cost Per Square Foot

Master suite additions are $140 per square feet on average. The square foot price can vary between $80 and $200, depending on the features and finishes you choose. Master bedrooms are 200, 300 or 400 square feet, while their bathrooms are anywhere from 50 to 200 square feet.

Price of Bedroom and Bathroom Addition by Total Square Feet
Total Square FeetAverage Price
250$35,000
300$42,000
400$56,000
460$64,400
560$78,400
600$84,000

Cost to Add a Bedroom & Bathroom to a House

When built as a master suite, bedroom and bathroom additions are $62,500 on average. The price can climb well over $100,000 if you choose a luxury design and high-end finishes, like hardwood flooring, French doors and custom showers.

Cost to Add a Bathroom

The cost to add a bathroom is $42,500 on average. The bathtub alone will run you $740 to $1,400 to install, while a shower-and-tub combo is closer to $3,000 for labor and materials. With all the needed plumbing fixtures, pipes and finish materials, bathrooms are much more expensive to build than the bedroom area.

General Contractor Costs

When hiring a general contractor near you, expect their services to run 10% to 25% of the project total. If your addition is in the average price range, expect $6,250 to $15,625 of the total to go to your contractor. For their fee, these contractors will order the right materials, manage all needed subcontractors and schedule each task in the ideal order. Their services will ease your stress as they take on the responsbility of making sure all the work is done to code and by the deadline.

Structural Engineer Rates

Structural engineer services cost anywhere from $200 to $1,300. Their charges are included in the total cost as an hourly rate of $100 to $150 or a flat fee equal to about 8% of the project. Many accept a payment plan starting with 25% up front, but you should always get the agreement in writing first. You will split the rest evenly between the remaining two payments. These professionals are well worth the price since they make sure your addition is structurally sound.

Cost to Hire an Interior Decorator

Interior decorators charge $2,000 to $11,000 to help spruce up the space. You can bring in this expert once the room builds are complete and you are ready to decorate. They will help you pick out a color scheme, buy furniture and thoughtfully arrange your décor.

Interior Designers

Interior designers also charge $2,000 to $11,000 to improve the efficiency and flow of your addition. Since they design permanent features in each room, their services differ from interior decorators who focus solely on finishes and furniture.

Drywall & Paneling

Hanging drywall costs an average of $1,730. Instead of providing a total price, contractors may charge $1 to $3 per square foot for this service. If you want wood paneling instead, expect to pay $1 to $40 for each square foot. The difference comes down to the quality of the wood. Basic beadboard paneling is at the low end of the range, while maple, oak, and other pricey hardwoods are at the upper end.

Installing Doors & Windows

Installing windows costs $450 to $2,000 each for standard sizes. The total includes $300 to $1,200 per window plus $150 to $800 for labor. Contractors may charge $40 per hour to complete the install or quote a per-window rate. If you want one window each in the bedroom and bathroom, you will pay $900 to $4,000.

To install an interior door leading to the bedroom and another for the bathroom, expect to pay $300 to $1,600. Each interior door costs $50 to $500, depending on the material, size and style. Labor is typically $100 to $300 per door. Exterior patio doors cost more at $1,200 to $10,000 installed.

Flooring

The price of flooring typically runs between $1,500 to $4,460. Depending on the flooring material you choose, expect to pay $3 to $22 per square foot. Vinyl and linoleum are the cheapest at $3 to $7 per square foot, while hardwood is the most expensive.

Building a Closet & Installing Organizers

If you will add a closet and install an organizer, you may pay about $3,695 total. Building the closet costs $2,015 on average. The price of the closet organizer typically ranges from $870 to $2,480.

Lighting

The price of a light fixture install is $150 to $825, depending on the style you choose. At $1,000 or more, chandeliers cost the most. Dome-shaped, flush-mount lights are the cheapest at $90 to $225.

Hanging a Mirror

To cover the cost of hanging a mirror, you will typically pay $160 to $465. The average price is $295, but the total can reach $800 for large wall mirror installs.

Installing Outlets

Installing outlets costs $75 to $485 each. In the bedroom, you only need two to three basic outlets for a total of $630 on average. In the bathroom, you must install GFCI-protected units, which could run $970 for two.

Installing Cable/Telephone Jacks and Wiring

Expect to pay $50 to $420 for cable and telephone jacks, including wiring. With this install, you will have convenient access to hookups for your TV and phone.

Built-In Bookshelves

If you want to cover the price of built-in bookcases, expect to pay $500 to $7,300 or $2,510 on average. Most projects fall in the $1,250 to $3,930 range unless you want them made from hardwoods or other pricey materials.

Additional Project Costs

Other ExpensesAverage Price
Interior paint for one room$600
Exterior paint$710
Roof framing$800
Roofing$2,000
Siding$2,675
Plumbing$2,750
Demolition of an existing wall$3,215
Foundation$8,120

Bedroom Remodel Costs

If you want to remodel an existing 10-foot by 12-foot bedroom, you will pay $3,545 to $10,470. The total depends on exactly what features and finishes you want to update.

Bedroom Remodel Cost Calculator
Scope of the RemodelAverage Price
Paint and flooring replacement$3,545
New wall and floor finishes plus a closet organizer$5,225
Paint, flooring and a built-in bookcase$6,055
New doors and windows plus paint and flooring$10,470

Cost to Redo a Bedroom

On average, you can expect to pay $8,215 to redo a bedroom. The total includes new paint on all the walls for $600 plus $2,945 for mid-range flooring, such as laminate. Also included in the price is $480 for lighting, $2,510 to install a built-in bookcase and $1,680 for a quality closet organizer.

Master Bedroom Remodel Cost

To remodel a master bedroom, you will pay around $20,970. The total includes $10,500 to cover the cost of a bathroom remodel. With those funds, you can replace the flooring in both rooms, replace bathroom fixtures and upgrade the lighting.

Bedroom Renovation Cost

If you want to go all out in renovating an existing bedroom, you may pay up to $31,250.

Your renovations may include:

  • $600 for a new coat of paint
  • $2,200 for two interior doors
  • $4,460 to install new flooring
  • $8,530 for replacement windows
  • $2,940 to build a closet
  • $2,480 to install a closet organizer
  • $825 for a fancy light fixture
  • $485 to upgrade the outlets
  • $3,930 for built-in bookcases
  • $4,800 for hardwood paneling

FAQs

How much does it cost to convert a dining room into a bedroom?

Converting a dining room into a bedroom is typically $1,900 to $4,600, depending on your material choices. This price covers putting up drywall, adding an interior door and painting the room. If you want a built-in bookcase, murphy bed or other features, the total may increase quite a bit.

Is it cheaper to add on a master suite or build up?

At $100 to $300 per square foot, building up often costs more than creating a master suite on the first floor. This is especially true if you need to add a staircase and check that the existing foundation will support the weight of the addition. If you have enough space, you can keep costs down by converting the attic to a master suite.

How much value does adding a master suite add?

Building a master suite offers a 63% return on investment. That means, when you sell the home, you will recoup more than half of the money put into adding a master bedroom and bathroom. If your bathroom was outdated, then it could sell for even more. Plus, the upgrades can help your home sell much faster.

How much does it cost to add mother-in-law suite?

Adding a mother-in-law suite typically runs $35,000 to $84,000. The total depends on location of the addition and materials you choose. If you want high-end finishes, such as hardwood wall paneling, then it could even reach $100,000.

Can you remodel a bedroom yourself?

If you have the tools and know-how, you can remodel a bedroom yourself. This is especially true when simply repainting the walls or replacing light fixtures. For large-scale projects, it is often best to hire a contractor skilled in remodeling master suites and other bedrooms styles. Using their experience, they can make sure the final result matches your vision for how the bedroom should look and function.