When determining the total cost of a home’s exterior project, you’ll want to include things like the trim, a garage, foundation, windows and doors. All work is calculated by square footage and sometimes by the linear foot, such as in the case of trim. Your contractor will give you a price for the entire project unless you specifically ask for each item separately.
Painting interior walls does not require professional aptitude, but it is still a skill that arrives with a learning curve. The most challenging part of any interior painting project is the prep work, which often involves cleaning the walls, masking off windows, doorways and baseboards, then carefully “cutting in” the paint around the edges. Once the masking and cutting in are finished, volunteers with handheld or roller brushes can usually fill in the rest of the space with little trouble.
For trim and doors, start with 1 gallon (3.8 L) of trim paint for every 600 sq feet of floor space. Purchase more at the store if/when needed. Trim is something that is difficult to calculate exactly, and it is more time-efficient to simply start with less than you need, and go buy more after you have used up the first round of paint and determined how much you will need to finish by seeing how much you have painted so far, compared to the gallons used.

Supplies and Equipment – Scraping, sanding, and stripping tools and supplies; patching compound; power washer rental; primer; caulk; masking supplies; painters’ tape; ladders and scaffolding; paint pans; brushes, sprayers, and roller brushes all cost money, even if you do it yourself. Consider all of those tools and equipment sitting in your garage for the rest of your life vs. paying an experienced painter to do it all for you at a price that saves you weeks of time. Expect to pay $5–$6 per 100 sq. ft. for supplies and materials.


When painting a carpeted room, keep in mind that paint will soak through drop cloths. This is especially true of the cheaper, lightweight cloths. It helps to tape masking paper to all of the base boards before laying the drop cloths. Tuck the edges of the cloth under the paper--this will help keep it clean. You might want to invest in a hand-held masking machine--they make the job go much faster. Even after taking these precautions make sure to clean big drops or spills before they soak through and before you step on them!

Although interior house paints can be purchased in pint-size samples or five-gallon buckets, the standard measurement is by the gallon can. A gallon can of basic water-based paint can be found on store shelves for less than $25, but the additional cost of a primer coat should be considered. One-coat paint/primer blends for most DIY projects should cost between $30 and $60 a gallon, including customized tinting. VOC levels should be lower as well. For high-end painting projects featuring designer colors or full-gloss finishes, expect to pay $60 or more per gallon.


The average cost to paint a house exterior is $2,500 for a 2,400 sq. ft. two-story home, with most homeowners paying between $1,800 and $3,200. The final cost comes out to around $0.60 to $1.60 per square foot. With so many variables in pricing, you need to take them all into account before coming to your own estimate on how much your painting project will end up costing.
Use a roller to paint the rest of the wall. A good method to use is the 'W method'. You start by painting a large 3 foot (0.91 m) square W on the wall. Then, without lifting the roller, you fill in the W.[7] You can paint a wall section-by-section, and do the walls one at a time for best results. It's generally a good idea to use an extension pole for your roller instead of standing on a ladder. Make sure that neither the extension pole nor the roller has plastic handles, as plastic handles are flexible and this makes it difficult to control the painting.
While some professional painters will charge a flat fee for a painting project, most charge an hourly rate—about $25 to $100 per hour on average. Most painters will charge more for last-minute jobs (think 48 hours' notice or less), travel costs (if you live far away, the painter may want extra money for gas), or intensive prep work (e.g., removing mold or stains before painting). Also, depending on the painter, the rate may or may not include the cost of paint materials such as paint, primer, and supplies.

Power washing – $0.42–$1.40/sq. ft.. You might think you can save some money by power washing the exterior yourself, but homeowners can get a bit trigger-happy with a power washer in their hands. The pressure from the washer can take them unawares, breaking windows, leaking water into window frames and siding joints, and gouging wood. It’s probably wiser to use a hose and scrubbing brush. Rinse off any cleaning solutions thoroughly.

The BEHR PREMIUM PLUS 5 gal. Flat The BEHR PREMIUM PLUS 5 gal. Flat Interior Ceiling Paint features a durable, splatter-resistant acrylic-latex formulation. It is designed for application on previously-painted or primed texture, popcorn and acoustic-style ceilings. The paint offers excellent coverage and resists mildew growth to help ensure that the finish remains attractive over time.  More + Product Details Close
Use a roller to paint the rest of the wall. A good method to use is the 'W method'. You start by painting a large 3 foot (0.91 m) square W on the wall. Then, without lifting the roller, you fill in the W.[7] You can paint a wall section-by-section, and do the walls one at a time for best results. It's generally a good idea to use an extension pole for your roller instead of standing on a ladder. Make sure that neither the extension pole nor the roller has plastic handles, as plastic handles are flexible and this makes it difficult to control the painting.

Some basic interior paints are sold in bulk, often in neutral colors such as white or beige. These can be very economical if the home’s color scheme is not a major consideration. However, many homeowners prefer to apply customized colors to match the furnishings or create a specific ambience for each room. Because of advancements in the industry, many manufacturers now offer a dizzying array of colors, from cool pastels to bold metallics.


Plan the schedule. Get a grip on the time it will take to bring the project to fruition. Plan for time to move furniture, wall prep, cut in, the painting itself, eating and breaks, and don't forget cleanup and bringing furniture back in. As you plan, err on the side of prudence. Unforeseen events will slow you down, so allow time for these. Remember, this is a multi-day project. Don't try to fit too much into a day. If you move faster than planned, great!

When determining the total cost of a home’s exterior project, you’ll want to include things like the trim, a garage, foundation, windows and doors. All work is calculated by square footage and sometimes by the linear foot, such as in the case of trim. Your contractor will give you a price for the entire project unless you specifically ask for each item separately.
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