ADU Company in Yorba Linda — Design, Permits and Build Under One Contract

We handle the design, the engineering, and the city permit, then build it. One contract, one crew, one accountable point of contact. Free feasibility check on your lot before you commit.

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ADU Company in Yorba Linda, CA

Kitchen remodeling in Yorba Linda almost always happens inside a home that was built between 1960 and 1990, on a lot big enough to hold horses, an RV, or a detached garage. That means we’re rarely doing a cosmetic update in a tight condo. We’re rebuilding kitchens inside ranch homes and two-story semi-customs where the original footprint is generous but the layout, wiring, and ventilation were never designed for how people cook and gather now. Foundry ADU Builders handles the full kitchen scope, and we’re also the contractor Yorba Linda homeowners call when they want an ADU built from the ground up. Call (866) 251-7857 to talk through your project.

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Why Yorba Linda Homes Are Different

Yorba Linda sits in the Santa Ana Canyon wind corridor, and that single fact changes how we approach every interior and exterior job. Summers run hot and dry, with Santa Ana events that push dust and embers against structures along the wildland edges. On hillside parcels in the 92887 ZIP, grading and drainage dictate where anything gets built, and the same slope that gives you a view also means a detached ADU has to work around retaining walls and fire-access sightlines. The housing stock is overwhelmingly 1960s through 1990s custom and semi-custom ranch homes and two-stories, many with horse facilities, RV pads, and detached garages or shops. That’s good news for ADU placements and garage conversions. It’s less good for the original kitchens and bathrooms, which tend to be closed-off, under-ventilated, and running on electrical panels that were sized decades before anyone imagined a second dwelling in the backyard. We plan for that.

The equestrian character of Yorba Linda also means setbacks and placement are rarely as simple as “put the unit in the back corner.” On a lot with a corral, a tack room, and a driveway that has to keep working for horse trailers, the first question is where the animals, vehicles, and drainage already flow. The ADU or the kitchen addition gets designed around that reality, not dropped on top of it. Foundry ADU Builders has served Yorba Linda since 2018, and we’ve learned to read a site plan the way a local does.

Our Main Yorba Linda Services

Two calls come in more than any others from Yorba Linda homeowners: one about building an ADU, and one about bringing a tired bathroom up to the standard of the rest of the property. Here’s what each involves here.

ADU Builders in Yorba Linda

Most Yorba Linda ADU work is detached new construction or a garage conversion, and on the larger lots that dominate 92886 and 92887, we’re often placing a unit where a barn, shop, or RV pad already exists. Santa Ana wind exposure and hillside drainage factor into nearly every design decision, from eave detailing to where the unit sits relative to fire access. We work across prefab, modular, and site-built methods so the structure matches the lot, not the other way around. Foundry handles everything from permit drawings to finished interiors, including kitchens and baths inside the unit. ADU Builders in Yorba Linda

ADU Builders in Yorba Linda

Bathroom Remodeling in Yorba Linda

Bathrooms in 1960s through 1990s Yorba Linda homes tend to be compact, with original tile, single-sink vanities, and ventilation that was never adequate for the inland heat. On hillside parcels, we also see moisture and settling issues that show up first in bathroom walls and floors. We gut, re-plumb, re-vent, and rebuild with layouts that work for multigenerational households or a rental unit. When the bathroom is inside a new ADU, the same crew handles it from rough-in to trim. Bathroom Remodeling in Yorba Linda

Bathroom Remodeling in Yorba Linda
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What happens when you call

  1. 1
    A real person answersNo phone trees — you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Kitchen Remodeling in Yorba Linda

A Yorba Linda kitchen remodel usually means opening a closed-off 1970s or 1980s layout inside a ranch or two-story home, upgrading an electrical panel that can no longer support modern appliances, and adding ventilation that actually moves hot inland air out of the house. On hillside lots in 92887, we also deal with the reality that original floor framing near exterior walls has often shifted, so cabinet and counter installs need leveling work before tile goes in. Foundry handles the structural, electrical, plumbing, and finish work under one contract, and our kitchen work carries directly into the interior build-out of any ADU we construct. For a broader look at how we approach kitchens, see Kitchen Remodeling.

Full Kitchen Gut and Rebuild

Signs you need it

Your kitchen still has the original cabinet boxes, soffits, and fluorescent lighting, and every appliance is competing for the same two circuits.

What it costs in Yorba Linda

A full kitchen gut and rebuild in Yorba Linda typically runs from $45,000 to $90,000 depending on layout changes, panel upgrades, and finish selections.

How we do it

We demo to studs, move plumbing and electrical as needed, rebuild walls and soffits, install cabinets and counters, and finish with flooring, lighting, and appliances.

ADU Kitchen Build-Out

Signs you need it

You’re building or converting an ADU and the unit’s kitchen has to be compact, code-compliant, and durable enough for tenants or aging parents.

What it costs in Yorba Linda

ADU kitchen build-outs in Yorba Linda typically range from $18,000 to $42,000 based on appliance level, cabinet quality, and whether gas or electric rough-in is required.

How we do it

We coordinate the kitchen rough-in with the ADU’s framing and mechanical work, then install cabinets, counters, sink, appliances, and ventilation as one continuous phase.

What Kitchen Remodeling Costs in Yorba Linda

Item Typical range in Yorba Linda
Full kitchen gut and rebuild $45,000 – $90,000
ADU kitchen build-out $18,000 – $42,000
Cabinet refacing and counter replacement $9,000 – $22,000

How long does a kitchen remodel take in Yorba Linda?

Most full kitchen remodels in Yorba Linda run five to eight weeks. Custom cabinet orders and hillside structural fixes in 92887 can add two to three weeks, and we’ll give you a written schedule before demo starts. Call (866) 251-7857 to get a timeline for your specific kitchen.

Will my Yorba Linda kitchen remodel require a panel upgrade?

Frequently, yes. Homes built through the 1980s often carry 100-amp panels that can’t support modern induction, double ovens, or an ADU’s load. We’ll assess during the estimate and include any upgrade in the fixed-price quote. Call (866) 251-7857 and we’ll walk the house with you.

Brands We Service in Yorba Linda

We build with and service units from Plant Prefab, Abodu, and Tuff Shed, among others. James Hardie fiber cement siding is part of our standard exterior repertoire because it holds up to Yorba Linda’s wind and heat cycles. See the full breakdown at our brands.

Pricing for ADU Company in Yorba Linda, CA

Service Typical range in Yorba Linda
Full kitchen gut and rebuild $45,000 – $90,000
ADU kitchen build-out $18,000 – $42,000
Cabinet refacing and counter replacement $9,000 – $22,000
Bathroom remodel (full gut) $14,000 – $32,000
Detached ADU (site-built) $180,000 – $320,000
Garage conversion ADU $120,000 – $210,000
Prefab ADU (factory-built) $140,000 – $260,000

Prices in Yorba Linda push higher when a hillside parcel in 92887 needs retaining walls, extended grading, or fire-access improvements before the structure goes in. Older homes can also carry electrical or plumbing surprises that add scope once the walls open. Every quote we give is line-item and fixed; if something changes on-site, you approve the change before we proceed.

Neighborhoods We Serve in Yorba Linda

We work across Yorba Linda’s ZIP codes – 92885, 92886, and 92887 – from the flatter tracts near the center of town to the hillside and horse-property neighborhoods where detached units and large remodels are the norm. Typical response time for an estimate is one to three days.

  • Bryant Ranch
  • Travis Ranch
  • Kerrigan Ranch
  • East Lake Village
  • Hillside canyon lots in 92887

Service Area – Cities Near Yorba Linda

Foundry ADU Builders covers Yorba Linda and the surrounding North Orange County communities. Our crews also serve Placentia, CA, Brea, CA, Villa Park, CA, and Los Serranos, CA, with the same fixed-price estimating and one-contractor approach we use in Yorba Linda.

Serving Yorba Linda, CA — Our Local Coverage Area

We’re based in the Yorba Linda 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 ADU Company in Yorba Linda

Ready to get started? Free estimates · Free written quotes response in Yorba Linda
Call (866) 251-7857

What happens when you call

  1. 1
    A real person answersNo phone trees — talk to a local adu pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Yorba Linda Customers Say

★★★★★ 4.8 from 4+ reviews

"Unit came out great and the tenant is happy. The timeline ran long, largely because of how slow the city was on plan check, though a couple of the delays were scheduling on their end."

— Holly Reed

"Sound insulation between the unit and the main house is better than I expected. You genuinely cannot hear the tenant."

— Shannon Gallagher

"Knew the local setback and parking rules cold, which saved us from designing something that would never have been approved."

— Marisol Delgado

How It Works in Yorba Linda

Getting your adu handled is simple and fast.

1

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2

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A background-checked, certified technician arrives in Yorba Linda — typically within 30–60 minutes, with parts stocked on the truck.

3

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We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

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