If you’re wondering whether you can paint your house exterior yourself this summer, this guide is for you. Exterior painting can be a manageable DIY project for homeowners with the right prep, materials, time, and safe working conditions. But it is not always a realistic do-it-yourself job, especially if your home is tall, the surface is badly damaged, or an older exterior may involve lead-paint risk.
Below, you’ll find the core steps involved in painting a house exterior, along with practical guidance to help you decide when DIY makes sense and when it may be smarter to bring in professional help.
Before you commit to painting your home’s exterior yourself, think through a few practical decision points:
– Height and access: Multi-story homes, steep grades, and hard-to-reach areas can make ladder work much riskier.- Surface condition: If peeling paint, damaged wood, or widespread repairs are involved, prep may take much longer than expected.- Lead risk: Older homes may require more than basic scraping and repainting.- Time commitment: Exterior painting usually involves washing, drying, scraping, sanding, priming, caulking, and painting—not just applying a new color.- Equipment needs: You may need ladders, scrapers, sanders, protective gear, and possibly a sprayer.
If the project is low to the ground, the existing surfaces are in decent shape, and you can complete the prep safely, DIY may be realistic. If height, heavy prep, or older paint hazards are involved, getting estimates from a professional may be the better choice.
Before washing, prepping, or painting, make sure the weather and the surface itself are working in your favor. Exterior paint performs best when temperatures are within the manufacturer’s recommended range, and Benjamin Moore notes that many projects are best planned for roughly 35b0F to 100b0F with humidity as low as possible. Sherwin-Williams also cautions against assuming it is fine to paint just because temperatures briefly rise above the minimum recommendation for part of the day.
In practical terms, wait for a stretch of suitable weather, avoid painting damp surfaces, and make sure the exterior is clean and dry before moving forward. Good timing and surface readiness can make the finish last longer and help you avoid rework.
Homes built before 1978 could have used lead paint, so treat older exteriors carefully. Potential lead hazards require more than a casual check before scraping, sanding, or disturbing old paint. The EPA’s Renovation, Repair and Painting program explains lead-safe requirements for contractors and provides guidance for homeowners, and the EPA recommends hiring a lead-safe certified contractor for renovation, repair, and painting projects in older homes.
If you suspect lead paint, do not assume standard DIY prep is enough. Review authoritative guidance on safe testing, containment, cleanup, and repair practices before starting. For higher-risk situations, especially where paint is deteriorating or extensive prep is needed, certified professional help may be the safest option.
You need to wash the exterior of your home before painting. Mildew thrives under new paint, so kill it with a solution of water and phosphate-free cleaner.
Take a scraper to your home’s exterior to remove any peeling paint. Spraying water under the paint as you scrape helps speed up the process. Then sand down any rough spots, so that you have a smooth canvas.
Paint on the primer immediately after you’ve prepped the wood. This will provide an even base for your topcoat of paint.
You’ll need to caulk all the joints to prevent water penetration and air leakage. Plus, caulk does a great job of filling in blemishes in your siding.
Choose a water-based latex paint. It’s easier than applying oil-based paints. However, if your home already has an oil-based paint, you’ll have to stay with it. Once you’ve selected your favorite paint color, just grab a brush or rent a sprayer to start painting your home.
Be sure to check your home annually for any potential problems. Replace cracked caulk, remove mildew and patch any peeling paint before it spreads.
Exterior painting can be a worthwhile DIY project, but good results depend on realistic planning, safe prep, and the right conditions. If you’re improving your home now and also thinking about bigger homeownership goals, the next step may be understanding your financing options.
Sammamish Mortgage can help. We serve clients across Washington, Idaho, Colorado, Oregon, and California. Since 1992, we’ve been providing several mortgage programs and products with flexible qualification criteria to borrowers across the Pacific Northwest. Visit our website to get an instant rate quote or to use our online mortgage calculator. Or, reach out to us if you are ready to get pre-approved for a mortgage.
A basic exterior painting process includes checking weather conditions, washing the surface, letting it dry, scraping peeling paint, sanding rough areas, priming bare or repaired spots, caulking joints, and then applying exterior paint. Safe access, good prep, and dry surfaces are essential for a lasting finish.
Yes, many homeowners can handle exterior painting themselves when the project is low to the ground, the surfaces are in decent shape, and the prep can be done safely. DIY may be less realistic when the home is tall, the surface is badly damaged, or older paint may create lead-related concerns.
Professional help may be the better choice when the house has multiple stories, difficult ladder access, widespread peeling paint, damaged wood, extensive prep needs, or possible lead-paint risk. If the job involves hazards or repairs beyond basic repainting, getting estimates from a pro is a smart step.
Yes, summer can be a good time for exterior painting if temperatures stay within the paint manufacturer’s recommended range and humidity is not too high. It is also important to avoid painting damp surfaces and to plan around stable weather rather than a brief warm-up.
Exterior painting works best during a stretch of suitable weather with clean, dry surfaces and humidity as low as possible. Benjamin Moore notes that many projects are best planned for roughly 35°F to 100°F, and Sherwin-Williams cautions against relying on temperatures that only briefly rise above the minimum recommendation.
A practical order is to first check the weather and surface condition, then wash the exterior, let it dry, scrape loose paint, sand rough areas, apply primer where needed, caulk joints, and finally paint. Maintenance after the job, such as replacing cracked caulk and touching up peeling spots, helps the finish last longer.
You do not necessarily need to remove every bit of old paint, but peeling and loose paint should be scraped away before repainting. Rough areas should also be sanded so the new coating has a smoother, more stable surface to bond to.
Primer is typically used right after prep work, especially on bare wood or areas that were scraped and repaired. It helps create a more even base for the topcoat and can improve how the finish looks and performs.
Yes. Homes built before 1978 may contain lead paint, so scraping, sanding, or otherwise disturbing old paint can require more than standard DIY prep. The EPA recommends reviewing lead-safe guidance carefully and hiring a lead-safe certified contractor for higher-risk situations.
Common mistakes include painting without checking the weather, applying paint to damp or dirty surfaces, skipping prep work, failing to scrape peeling paint, not sanding rough spots, and overlooking caulking and maintenance. Rushing prep often leads to a finish that does not last as long.
Our loan officers are ready and waiting to help you apply for your home loan.
Learn more about the people behind Sammamish Mortgage
Whether you’re buying a home or ready to refinance, our professionals can help.
Mortgage Support — 24/7
No Obligation and transparency 24/7. Instantly compare live rates and costs from our network of lenders across the country. Real-time accurate rates and closing costs for a variety of loan programs custom to your specific situation.
Adjust the parameters based on what you want to track
