To bid a drywall job, you calculate your material costs and labor hours, then add overhead, contingencies, and your profit margin. Industry pros usually charge either a flat rate per square foot (averaging $ 1.50 to $ 3.50 installed) or an hourly rate plus materials.
On average, a typical household drywall installation costs between $1,000 to $2,887 per project, which equates to $1.50 - $3 per square foot. This pricing includes both material and labor expenses, as well as any finishing/texturing services that may be incorporated.
Drywall contractors calculate job costs by adding material costs, labor expenses, and business overhead, then applying a markup for profit. Accurate measurements and local market rates help ensure competitive pricing.
To price out a mudding and taping job, you should generally estimate by the square foot, the board (sheet), or an hourly rate. Finishing labor typically costs between $1.50 and $3.50 per square foot of wall space (or $35 to $60 per sheet), depending on the finish level and your region.
If you're thinking about drywalling a 10x10 room, it's important to understand the costs involved. This process typically includes materials, labor, and any additional supplies you might need. The average cost to drywall a room of this size can range from $300 to $800, depending on various factors.
Some drywallers add Dawn dish soap to mud as an old-school trick to break surface tension. A few drops act as a surfactant, making the compound glide off the knife smoother, reducing drag, and helping to release trapped air bubbles.
To drywall a 20x20 room (including four 8-foot-high walls and the ceiling), expect to pay between $1,500 and $3,900, with most standard projects averaging around $2,000 to $2,500 for professional installation, mudding, and taping.
How to Bid on a Drywall Job
Drywall Tech Salary Calculator
Example: A drywall installer salary in California averaging $29.34/hour equals roughly $61,020 per year.
The cost to drywall a 12×12 foot ceiling (144 square feet) typically ranges from $450 to $850 when hiring a professional, or $80 to $150 for DIY materials. Total costs depend primarily on whether you need old ceiling materials removed and the level of finishing required.
Common Signs of a Bad Drywall Job
Finish level is a major factor since it defines how fasteners, seams, and surfaces are refined. The higher the level of drywall finish, the more it will cost, but promising quality. Level 0: Just hung. No tape or mud.
To calculate drywall, find the total square footage of your walls and ceilings, divide by the sheet size (32 for a 4x8 sheet), and add 10% to 15% for waste and cuts. For labor, a standard rule of thumb is $1.50 to $3.50 per square foot to cover both hanging and finishing.
Two common mistakes made during drywalling are improper joint compound application (such as applying it too thickly or not feathering the edges), and failing to stagger the seams across different studs, which weakens the wall and increases the risk of cracking.
Purchasing and installing 1,500 square feet of drywall typically costs between $2,250 and $4,500 for standard rooms. If you hire professionals for a full turn-key job (including hanging, taping, mudding, and sanding), expect to pay between $1.50 and $3.00+ per square foot, bringing the total closer to $4,000 to $10,000+ depending on your location and finishing level.
Common bid mistakes include fatal submission errors (like missing deadlines or failing to include required documents), inaccurate cost estimates (forgetting hidden fees or labor overhead), and poor proposal writing (submitting generic responses or using confusing jargon).
Don't Tell a Contractor That You Aren't in A Hurry. If you tell a contractor that there's no rush to complete your project, they will give your job the lowest priority possible. They will take on other jobs and spend their time doing other things, besides getting your job done.
The 4 primary types of auction bidding (established by economist William Vickrey) are:
Generic drywall is generally cheaper than Sheetrock, typically costing about $0.45 to $0.70 per square foot compared to Sheetrock's $0.50 to $0.80 per square foot. This price difference exists because "Sheetrock" is actually a premium brand name manufactured by the United States Gypsum Corporation, while "drywall" refers to the generic gypsum wall panel.
For a 2,000 sq. ft. house, you will need approximately 220 to 280 standard 4' x 8' sheets of drywall (or 7,000 to 9,000 sq. ft. of total drywall). This factors in walls, ceilings, and a standard 10% to 15% waste allowance.
Drywall typically lasts 30 to 70 years, and can even last a lifetime if kept perfectly dry and structurally undisturbed. However, because it is made of a gypsum core covered by heavy paper, its lifespan is entirely dependent on its environment and maintenance.
Professional drywallers use a specific combination of tools depending on the scale of the job and the area being sanded. For large, flat surfaces, they rely on long-reach power drywall sanders attached to HEPA vacuums. For corners and detail work, they use specialized hand sanders and flexible sanding sponges.
For most standard drywall projects, three coats of mud (joint compound) are required to achieve a smooth, professional-looking finish.
What happens if you paint over new drywall without primer? You'll see "flashing" which is visible inconsistencies in sheen between the drywall face paper and the mud joints, which absorb paint at different rates. You'll also burn through significantly more finish paint trying to achieve even coverage.