Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across La Palma
Square One Builders serves La Palma homeowners with full-scope general contracting, from second-story additions on original tract homes to rear ADUs and whole-home remodels. Our team knows ZIP 90623 street by street, and we answer the phone at (877) 688-9930 when you’re ready to talk scope. La Palma’s tight lots and aging housing stock need a contractor who plans around setbacks and wall-open findings before the first swing of a hammer, not after. That’s exactly how we work here.
Call (877) 688-9930 for a free estimate, and we’ll send Brent Calloway’s team to walk your property and price the real scope, not a phone-call guess.
Why Square One Builders Is La Palma’s Preferred General Contractor Company
La Palma homeowners keep calling us back because we treat a tract home remodel like what it is: an engineering and permitting puzzle wrapped in finish work. We know the ranch and Spanish plans off Walker Street, Valley View Street, and Orangethorpe Avenue were built in the 1960s and 70s with original aluminum branch wiring, galvanized supply lines, and stucco that has to be matched when an addition goes up. That local knowledge changes how we quote, and it changes how the job ends.
Our La Palma customers tell us the same thing after closeout: the written allowances and neighbor-notification work we did up front kept the project out of the change-order weeds. Brent Calloway built Square One around that single-accountability model. One contractor, every system, from the ground up.
We respond to La Palma estimates quickly, typically walking the site the same week you call. We’re based in Westminster, which puts us fifteen minutes from most La Palma homes. That means faster plan review coordination, faster material runs to your street, and a supervisor who can actually be on-site when the building inspector is.
Styles & brands we work with
General Contractor Services in La Palma
General Contractor Services in La Palma means managing an addition, second-story build-out, ADU, or full remodel from demolition through final inspection. A typical home addition in La Palma runs $45,000 to $130,000, and a rear ADU runs $90,000 to $220,000 depending on site access, setback constraints, and what we find when the walls come open. When a La Palma homeowner outgrows a single-story tract home but doesn’t want to leave the neighborhood, this is the work we scope first.
Second-Story Additions
On narrow La Palma lots, going up is often the only direction the city will approve. We frame the load path, pull the structural header into written scope, and run the neighbor-notification package through the La Palma building counter before demolition so the draw schedule holds.
Rear ADUs
A rear ADU on a 90623 lot almost always triggers setback scrutiny and neighbor notification. We handle the plan-check quirks at the small city counter and work with our prefab partners when a faster shell makes sense for the lot.
What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Construction Company in La Palma
Construction Company work in La Palma spans kitchen and bath remodels, garage conversions, roof replacement, and full exterior updates. A garage conversion runs $30,000 to $80,000, and a full roof replacement runs $8,000 to $20,000. When a homeowner wants one accountable team instead of five separate trades, Square One Builders functions as the single contract holder from the ground up.
Kitchen and Bath Remodels
We open the walls, re-plumb what’s galvanized, rewire what’s aluminum, and then build the finish scope on top of a straight rough-in. Cabinetry, countertops, plumbing fixtures, and tile are sourced through our brand portfolio, but the structure underneath is what we’re actually signing off on.
Roof and Exterior Systems
After a Santa Ana wind event, La Palma homeowners call us about lifted shingles, stucco cracks, and patio cover damage. We coordinate roof repair and stucco matching under the same contract as the interior work, so the homeowner doesn’t manage a roofer, a stucco crew, and a remodel team separately.
Trusted Brands We Service in La Palma
We spec the right material for your project, and for La Palma roofs we lean on CertainTeed and Owens Corning for their wind and heat performance in this inland-adjacent basin. On stucco-matched additions and second stories, we use exterior cladding and roofing lines that hold up through repeated Santa Ana cycles without fading or cracking the way cheaper product does. Because La Palma is a tight drive from our Westminster yard, we keep common roofing and siding stock staged for fast turnaround on this side of the 91.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in La Palma Homes
- Original galvanized plumbing and aluminum wiring. On a ranch-plan tract home off Walker Street, our crew opened the rear wall for a second-story build-out and found the original aluminum branch wiring and galvanized supply lines the 1960s plan was built with. We pulled the re-pipe and rewire into written allowances before framing, so the surprise didn’t become a change order.
- Setback and neighbor-notification delays at the city counter. La Palma is small and fully built out, which means every rear ADU and second story gets close scrutiny on side-yard and rear-yard setbacks. Contractors who quote it like Cerritos or Buena Park miss the timeline hit.
- Stucco matching that gets skipped in the quote. Original stucco on La Palma tract homes has a specific texture and color mix. If the scope doesn’t include a written allowance for matching, the punch list ends with an argument at the new wall line.
- Santa Ana wind damage that goes unaddressed before the remodel. Dry late-summer wind events stress older roofs and stucco. We inspect the exterior envelope before interior work starts, because a roof leak discovered mid-remodel is a scope change nobody wants.
Pricing for General Contractor in La Palma, CA
La Palma pricing is driven by lot width, setback constraints, and what the walls reveal once they’re open. Here’s what we see in this market:
| Project | Typical La Palma Range |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Roof Replacement | $8,000 – $20,000 |
What moves the number within these ranges: whether the addition triggers a full re-pipe and rewire, whether stucco matching covers a small patch or full elevation, and whether the city requires neighbor notification with an extended review window. We walk the lot and open the scope in writing before we quote, so the number you sign is the number the job costs. Call (877) 688-9930 for a free estimate on your La Palma project.
We Also Serve Cities Near La Palma
Square One Builders runs crews into La Palma daily, and we cover the surrounding west Orange County cities too. If you’re in Cypress, Buena Park, Stanton, or Garden Grove, the same La Palma planning discipline applies, especially around small-city permit counters and original tract housing. Our General Contractor team works the whole corridor from one Westminster yard, which keeps material runs short and schedules honest.
Serving La Palma, CA — Our Local Coverage Area
We’re based in the La Palma area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About General Contractor in La Palma
La Palma’s building department is small, and because the city is fully built out with narrow lots, rear ADUs and second-story additions almost always trigger neighbor notification and setback review before plan check moves forward. That adds two to six weeks to the front end of a project here. We build that timeline into the draw schedule and walk the neighbor-notification package through the counter before we ever swing a hammer. Call (877) 688-9930 if your project has an existing permit hold or a stalled plan check, and we’ll tell you straight what it will take to move it.
You should expect original galvanized supply lines, aluminum branch wiring, and stucco with a texture and color mix that was applied once and never touched again. On a ranch-plan tract home off Walker Street, our crew found exactly that when we opened the rear wall for a second-story build-out. We pulled the re-pipe, rewire, and stucco match into written allowances before framing, so the homeowner knew the real cost before the rough-in started. Call (877) 688-9930 before you sign any remodel quote that doesn’t include those allowances in writing.
We start with the setback envelope and the neighbor-notification trigger, because those two things define what the city will actually approve and how long the permit will take. Then we walk the lot for crane and material access, and we open a wall to verify plumbing and electrical condition. Only after those three steps do we put a number in front of you. Call (877) 688-9930 for a free estimate that starts with the lot, not with a brochure number.
They do. La Palma sits in the flat west Orange County basin where late-summer Santa Ana winds come through hot and dry, and older roofs and stucco take the brunt. We inspect the exterior envelope before interior work starts, and we spec roofing and cladding from CertainTeed and Owens Corning for wind uplift and heat performance. Skipping that step means a roof leak discovered mid-remodel, and that’s a change order nobody should eat. Call (877) 688-9930 and we’ll check the roof and stucco before we quote the interior.
By scoping the stucco match, the re-pipe, the rewire, and the header work in writing before framing starts, with dollar allowances attached to each. The punch list becomes an argument when the scope was vague on paper. Our closeout document lines up every allowance we opened against the work we did, so the final walk is a comparison, not a negotiation. Call (877) 688-9930 for a quote that includes the written scope you’ll hold us to at the end.
Written by Brent Calloway, Owner at Square One Builders, serving La Palma since 2010.