The short answer: DIY makes sense for cosmetic work that doesn’t need a permit, won’t hurt anyone if it goes wrong, and won’t disturb lead paint or asbestos: painting, many floating floors, small drywall patches, and hardware swaps. Hire a licensed contractor when the work needs a permit, touches structure, wiring, plumbing, gas, windows, or the roof, or when a mistake would end up hidden inside a wall. Plenty of homeowners do both, and that works best when the split is agreed in writing before the job starts.
“I’ll just do the demo myself and save a few thousand.”
We hear some version of that a lot, and sometimes it’s a smart plan. Other times, the sledgehammer finds a water line, a wall that was holding something up, or old flooring that should have been tested first. The savings disappear fast.
For most remodels, the real question isn’t “DIY or contractor?” for the whole project. It’s which pieces you can take on, and which ones are worth paying someone else to own. Here’s a simple way to sort them.
How many homeowners actually do the work themselves?
For small jobs, most of them. The Home Improvement Research Institute (HIRI) found that in 2025, 52 percent of U.S. homeowners did their home improvement projects entirely on their own, 24 percent mixed DIY with a contractor, and 24 percent hired a contractor, as reported by Hardware Retailing in June 2026. That count includes everything from yard work to small repairs.
Bigger renovations look different. In Houzz’s survey of 1,034 U.S. homeowners planning 2026 renovations, 93 percent planned to work with professionals, most often a general contractor (55 percent).
The four questions to ask about any part of the job
Before you pick up a tool, run each task through these:
- Does it need a permit? Permit rules are set by your city or county, and they vary. In Long Beach, for example, the city’s permit page lists painting, floor and wall coverings, and tile up to 48 inches high as work that may be exempt. The same page says replacement windows and replacing a sink, toilet, or dishwasher require permits.
- Does it touch structure, wiring, plumbing, gas, or the building’s weather shell? That’s where a mistake can cause a fire, a hidden leak, or a failed inspection, sometimes with no warning signs for months.
- Could it disturb lead paint or asbestos? If your home was built before 1978, painted surfaces may contain lead. Older flooring, ceiling texture, and other materials may contain asbestos.
- If it goes wrong, what does it cost, and who fixes it? A bad paint job costs you a weekend. A failed shower pan can cost the subfloor, the ceiling below, and the tile you just paid for.
“No permit, no hidden systems, no hazardous materials, cheap to redo” makes a strong DIY candidate. Every “yes” pushes the task toward a pro. Here’s how common jobs tend to sort out.
Which remodel jobs are usually DIY-friendly?
This is a general guide, not a ruling on your house. Permit rules depend on your city, and what’s behind the walls can change the answer.
| Task | Usually a good DIY job? | What to watch for |
|---|---|---|
| Interior painting | Yes | In a pre-1978 home, test before sanding or scraping |
| Floating floors (click-together vinyl plank or laminate) | Often | Subfloor must be flat and dry; don’t sand or tear out old flooring that hasn’t been tested for asbestos |
| Small drywall patches, hardware, and trim | Yes | Recurring cracks or water stains can point to a bigger problem; find wires and pipes before drilling |
| Tile backsplash | Often | Long Beach lists tile up to 48 inches high as possibly exempt |
| Demolition | Sometimes | Load-bearing walls, hidden pipes and wires, lead and asbestos, debris disposal |
| Replacing a toilet, sink, or dishwasher | Check first | Long Beach requires permits for these |
| Shower pans and wet-area waterproofing | Usually hire | Failures stay hidden behind finished tile until the damage is done |
| New circuits, panel work, or moving outlets | Hire | Permit and inspection; fire and shock risk |
| Moving plumbing or gas lines | Hire | Permit; leaks hide inside walls and floors |
| Windows and exterior doors | Hire | Permit in Long Beach; flashing mistakes let water in |
| Removing or changing walls | Hire | May be structural and need an engineer and a permit |
| Replacing a water heater | Hire | Long Beach’s exemption covers certain repairs, not replacement |
Notice the pattern: surface work is usually fair game, and anything behind the surface usually isn’t. Permits are the next piece.
“Can I pull the permit and do the work myself?”
Often, yes, on your own home. California lets property owners act as “owner-builders” in certain situations. Lakewood’s building department, for example, says an owner may build on their own property when the work is done by themselves or their own employees, and the structure isn’t offered for sale within one year of completion.
That path comes with real responsibility: you deal with the inspector, you’re responsible for meeting code, and if you hire helpers you may take on employer obligations. Our guide to being your own general contractor versus hiring one in California walks through what you sign and what you take on.
Handing a few pieces to a handyman instead? California’s minor work exemption covers jobs under $1,000 total, and only when no permit is required and one person does the work. Our post on when a handyman can legally do the job in California explains the full test.
What about lead paint and asbestos?
This matters most when demolition or sanding is on your DIY list.
Lead. The EPA says renovation, repair, and painting projects in homes built before 1978 “can easily create dangerous lead dust.” Its Renovation, Repair and Painting rule doesn’t apply to homeowners working on their own home, but it does apply if you rent out all or part of the home, run a child care facility there, or are renovating it to sell for profit. The EPA recommends hiring a lead-safe certified contractor. If you do it yourself, it recommends sealing off the work area, misting surfaces before scraping or sanding, using a HEPA vacuum and proper respiratory protection, and cleaning thoroughly before anyone comes back in.
Asbestos. The EPA’s advice is to leave material in good condition alone, and to have suspect materials checked before a remodel disturbs them. In its words, “A trained and accredited asbestos professional should take samples for analysis,” and “Taking samples yourself is not recommended.”
If demo is on your list, testing comes first. Then comes the question of sharing the job with a contractor.
“Can I do some of the work myself if I hire a contractor?”
Many contractors are open to it, but the setup matters. A split that sounds simple at the start can cause friction mid-job if nobody wrote down where your work begins and ends. Before you sign:
- Put the split in the contract. List which tasks are yours, so they’re clearly outside the contractor’s price and scope.
- Agree on timing. If the crew is waiting on your painting before they install trim, your schedule becomes theirs.
- Decide who fixes what. A contractor’s workmanship warranty generally covers their own work, not yours, so agree on who repairs problems where the two meet.
- Plan for inspections. If your piece is part of the permitted work, it still has to pass inspection.
- Buying materials yourself? Confirm specs, quantities, and delivery dates.
Can DIY work come back up when I sell?
It can. California’s Real Estate Transfer Disclosure Statement asks sellers whether there have been room additions, structural modifications, or other alterations or repairs made without necessary permits, or not in compliance with building codes. It’s usually simpler to permit work when you do it than to sort it out during a sale.
When to DIY vs. when to call a pro
Call a licensed contractor when: the task needs a permit; it touches structure, electrical, plumbing, gas, windows, or the roof; it involves waterproofing a shower or tub; your older home’s materials haven’t been tested; or several trades have to work in the right order.
The middle path: have a contractor price the full scope, then decide which pieces to keep. A line-item estimate shows what each piece costs and what you’d actually save by taking it on.
Quick checklist before you start any DIY task
- ☐ I checked my city’s permit rules for this exact task.
- ☐ I’ve tested for lead and asbestos if I’ll disturb paint, flooring, or ceilings in an older home.
- ☐ I know where water, gas, and electrical lines run, and how to shut them off.
- ☐ I have the right tools, protective gear, and a plan if it takes twice as long.
- ☐ If a contractor is doing the rest, our split is in writing.
De Sisto Construction, Inc. is a California licensed general contractor (CSLB #803545) based in Signal Hill, in business since 2001 and serving greater Los Angeles and Orange County. Our residential remodeling services cover kitchens, bathrooms, room additions, ADUs, and other home improvements, with step-by-step outlines, line-item project costing, and guidance through permitting, inspections, and code-compliance coordination.
FAQ
Which parts of a remodel can I do myself? Usually cosmetic work that doesn’t need a permit: painting, many floating floors, small drywall patches, hardware, and trim. Structure, wiring, plumbing, gas, windows, and roofing are usually best left to a licensed contractor.
Do I need a permit to work on my own house? It depends on the task and your city. Painting and floor coverings are often exempt, but replacement windows or a new toilet or sink can require a permit. Check with your local building department first.
Will a contractor let me do some of the work? Many will, if the split is clear. Put your tasks in the contract, agree on timing, and decide who fixes problems where your work meets theirs.
Does the EPA lead rule apply to homeowners doing their own work? Generally no, unless the home is rented out, used for child care, or being renovated to sell for profit. The EPA still recommends lead-safe practices in pre-1978 homes.
Is DIY always cheaper? Not always. Tools, mistakes, rework, and your time can eat into the savings, especially on work hidden inside walls or floors.
Weighing which parts of your remodel to take on?
A line-item estimate is the easiest way to see what each piece of the job costs and where doing it yourself would actually pay off. We can walk the project with you, price the full scope, and talk through which tasks make sense for you to keep.
Give us a call at 562-425-1050 or email us at info@desistogc.com (dcidirect.net)