







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Castaic
If you’re planning a kitchen remodel, bathroom update, or whole-home renovation in Castaic, the number you’ll hear most often for a full scope lands between $14,000 and $45,000 for kitchens and $9,000 to $28,000 for bathrooms. We’re Sawyer Remodeling, and we run jobs in Castaic under The Relay Visibility Guarantee: a written price before work starts, live arrival times, and photo updates before and after. Luca Romano leads our crews here, and you can reach us at (254) 272-5876 to get your project scoped and priced.
Castaic construction work comes with specific conditions that flatland contractors miss: wind-load detailing on ridge lines, ember-zone assemblies on exterior scopes, and septic and well tie-ins that change how a bathroom or ADU gets permitted. We know the difference because we’ve built here.
Why Sawyer Remodeling Is Castaic’s Preferred General Contractor Company

Castaic homeowners call us because we put the price in writing and we don’t disappear mid-project. Founded in 2005 under the Relay Home Co. family, Sawyer Remodeling runs every Castaic job on The Relay Standard: a live arrival time, a written line-item price before any tool is picked up, and before-and-after photo updates so you’re never guessing what happened while you were at work. That matters when you’re spending five figures on a kitchen and you want the invoice to match the number you approved.
Our technicians are background-checked, uniformed, and you know exactly who’s walking through your door before they arrive. The 365-Day Done Right Promise backs every project in writing: if something isn’t done right within a year, we make it right. No argument, no chasing. Castaic homeowners have enough to manage without babysitting a contractor.
Styles & brands we work with







Remodeling Contractor in Castaic
A Remodeling Contractor in Castaic handles what most people picture when they say “general contractor”: opening walls, moving fixtures, replacing finishes, and pulling permits. In Castaic, that often means working around hillside foundations, older 1990s floor plans, and septic systems that sit close to the house. A typical Castaic kitchen remodel runs $14,000 to $45,000 depending on cabinet grade, countertop material, and whether you’re moving plumbing or electrical. A bathroom remodel lands between $9,000 and $28,000.
Kitchen and Bath Scopes
Kitchen work in Castaic frequently involves opening a load-bearing wall or replacing a failed tile subfloor, both of which require an engineering review before demo. We price that engineering into the written quote upfront, not as a surprise change order. Bathroom scopes near Castaic Lake often include Schluter edge trim (the metal strip that waterproofs where your tile meets the floor) and properly sloped pans for walk-in showers, which run $4,500 to $12,000.
Additions and ADUs
Castaic lots with septic and private wells add a layer of county health review to any ADU or addition scope. A home addition in Castaic runs $45,000 to $130,000, and an ADU ranges from $90,000 to $220,000 depending on whether you need a new septic field or well line. We handle the grading and health department paperwork as part of the permit package.
Licensed General Contractor in Castaic

A Licensed General Contractor in Castaic carries the state license, pulls permits, and schedules inspections for structural, electrical, plumbing, and mechanical work. Castaic sits in Los Angeles County, which means building permits route through county offices, and exterior scopes need wind-load and ember-zone detailing that inspectors here actually check. A roof replacement runs $8,000 to $20,000, and impact window installation falls between $8,000 and $25,000 for a typical Castaic home.
Permits and Inspections
We pull every permit for Castaic jobs and meet inspectors on site. For additions and ADUs, that includes structural, electrical, plumbing, and often a grading or health department sign-off when septic or well lines are involved. You get a digital invoice you pay from a link, and the permit card stays posted until final inspection closes.
Exterior and Structural Work
Roof, window, and addition scopes in Castaic require wind-load details and ember-resistant vents that many bids skip. We quote those assemblies in the written price so your final inspection sign-off doesn’t trigger a surprise upgrade. James Hardie siding and GAF roofing are two of the proven exterior brands we install here.
Trusted Brands We Service in Castaic
We install and service name-brand materials across Castaic projects: KraftMaid cabinets, Cambria and Caesarstone countertops, Kohler and Toto fixtures, and GAF or James Hardie exteriors. On concrete and paver work, we use Sakrete mixes and Abodu and Dvele panelized components on select ADU scopes. Because we order directly through manufacturer channels, Castaic customers aren’t waiting on mystery suppliers or backordered generic parts. If a fixture or surface arrives damaged, we handle the warranty claim with the manufacturer on your behalf.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Castaic Homes
- Load-bearing walls opened without an engineering review. Hillside Castaic homes often have headers that can’t be removed without an engineered beam. We saw this on a kitchen near Castaic Lake where the pass-through was load-bearing and needed a flush beam before demo could proceed.
- Septic and well tie-ins treated as an afterthought. A bathroom or ADU scope that ignores septic capacity gets held up at county health review. That delay forces redesign after rough-in is already done, and the homeowner eats the change order.
- Exterior bids that skip wind-load and ember-zone detailing. A roof or window quote that looks low until the inspector requires upgraded assemblies at final sign-off. We price those assemblies in the first written number.
- Contractors who quote low and invoice high. The number on your final invoice should be the number you approved. Our written price lands before work starts, and the 365-Day Done Right Promise covers the workmanship for a full year.
Pricing for General Contractor in Castaic, CA
Here’s what Castaic homeowners can expect to pay for the most common scopes. These ranges reflect the local market, including wind-load detailing on exterior work and septic considerations on additions and ADUs.
| Project | Castaic Price Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Roof Replacement | $8,000 – $20,000 |
| Impact Window Installation | $8,000 – $25,000 |
What moves the price: cabinet grade (KraftMaid vs. custom), countertop material (Cambria vs. laminate), whether you’re moving plumbing or electrical, and whether your Castaic lot needs engineered beams or septic field work. You’ll get a written line-item price before any work starts. Call (254) 272-5876 for a free estimate on your specific scope.
We Also Serve Cities Near Castaic
Sawyer Remodeling runs crews throughout the Santa Clarita Valley and into Castaic itself. We serve Valencia, Stevenson Ranch, Santa Clarita, and Newhall with the same written pricing and photo updates. If you’re just over the hill or off the 5, our General Contractor team can scope your project the same way we do in Castaic: permits pulled, price in writing, inspections passed.
Serving Castaic, CA - Our Local Coverage Area
We’re based in the Castaic 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 Castaic
Yes, if you’re changing any electrical, opening walls, or replacing the shower pan or waterproofing assembly, Los Angeles County will require a permit even when the plumbing stays in place. A finish-only swap of vanity and fixtures may not, but we’ll tell you exactly which permit applies before we write the price. Call (254) 272-5876 and we’ll check your specific scope.
A full Castaic kitchen remodel typically runs 8 to 12 weeks from signed scope to final inspection, assuming no structural surprises mid-demo. The castaic permit review adds a couple weeks versus some neighboring cities, and septic or well considerations can extend that if your scope touches them. We’ll give you a realistic calendar at the written-price stage, not a vague “as soon as possible.”
Castaic sits in a high-wind and wildfire-prone corridor off I-5, so roof, window, and addition scopes face wind-load and ember-zone detailing that Santa Clarita jobs often don’t require. Those upgraded assemblies, plus any septic or grading reviews on additions, add real cost that a generic Southern California bid won’t include. We price them in the first written number so there’s no change order at inspection.
A bid is an estimate; our written price is a line-item number you approve before work starts. The difference shows up when a contractor finds a load-bearing wall or a septic issue mid-demo and sends a change order. We scope the engineering and the county reviews upfront, so the invoice matches the number you approved. If something on our side isn’t done right within a year, the 365-Day Done Right Promise covers the fix.
Yes, but the septic system must be sized to handle the added bedrooms or bathrooms, and Los Angeles County health will review the capacity before issuing the permit. Some Castaic lots need a new septic field or a connection to a shared system, which changes the cost and the timeline. An ADU in Castaic runs $90,000 to $220,000 depending on septic, grading, and finish level. Call (254) 272-5876 and we’ll tell you exactly what applies to your parcel.
Get your Castaic project scoped and priced in writing. Call Sawyer Remodeling at (254) 272-5876 for a free estimate.
Written by Luca Romano, Owner at Sawyer Remodeling, serving Castaic since 2005.










