ADU Company in Aliso Viejo, CA
Kitchen remodeling in Aliso Viejo means working inside homes built almost entirely between the late 1980s and early 2000s, most of them Mediterranean or Spanish-revival stucco with tile roofs and tight interior footprints. Sunstone ADU Builders approaches every Aliso Viejo kitchen job with the same discipline we apply to ADU construction: fixed pricing, one contract, and a finish that matches the rest of the property. Call (855) 949-1913 to schedule a free estimate and walk through your options.
Why Aliso Viejo Homes Are Different
Aliso Viejo is a master-planned city that was only incorporated in 2001, and nearly every residential parcel was built out by the Mission Viejo Company under a single set of CC&Rs and architectural review rules. That changes how remodeling and ADU work actually gets done here. A homeowner in most Orange County cities mostly deals with city hall. In Aliso Viejo, the real gatekeeper is often the Aliso Viejo Community Association and the individual village HOA design review committee, whose recorded restrictions can predate and be stricter than the city’s own ordinance.
The housing stock reflects that planning: dense village clusters on small, often sloped lots with no alley access, attached garages, and postage-stamp backyards. That geography pushes most ADU work toward attached conversions, garage conversions, or small second-story-over-garage units rather than big detached builds. The coastal-inland climate is mild and rarely freezes, but hot dry Santa Ana wind events and canyon-edge wildfire exposure mean any new structure on the ridge-facing side of Aliso Viejo needs Class A fire-rated assemblies and ember-resistant detailing. Heating demand is minimal; fire and moisture detailing are not.
For kitchen remodeling, those same CC&Rs rarely block interior work, but the house age creates real conditions: original cabinetry from the 1990s, builder-grade appliances, flooring that has seen 25 to 35 years of use, and layouts sized for a different era. Knowing what those rooms look like before we open the walls is what makes an Aliso Viejo kitchen estimate accurate instead of optimistic.
Our Main Aliso Viejo Services
Most homeowners who call us in Aliso Viejo are weighing two projects: adding a legal dwelling unit to the property, or upgrading the primary home’s bathroom. Both are covered below with dedicated Aliso Viejo pages.
ADU Builders in Aliso Viejo
Adding an ADU in Aliso Viejo is less about raw square footage and more about navigating the village’s architectural review process while fitting a legal unit onto a small, sloped, already-built-out lot. We are authorized builders and installers for prefab brands including Abodu, Cover, Dvele, Mighty Buildings, Boxabl, and Plant Prefab, and we also build traditional stick-framed units where the site calls for it. Prefab can compress the on-site timeline significantly, and in dense village clusters that matters, because less construction time means fewer neighbor complaints and a smoother HOA review. See ADU Builders in Aliso Viejo for the full local breakdown.

Bathroom Remodeling in Aliso Viejo
Many Aliso Viejo bathrooms are original to the late-1980s and 1990s tract builds: fiberglass tub-shower combos, small vanities, and tile that has outlived its waterproofing. We handle the full bathroom scope in-house, which means the same crew that roughed in the plumbing sets the tile and installs the fixtures. That single-point responsibility matters when you are working inside a slab-on-grade home where moving a drain line is not trivial. Bathroom Remodeling in Aliso Viejo has local pricing and the common scope decisions homeowners face here.

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.
Kitchen Remodeling in Aliso Viejo

Kitchen remodeling in Aliso Viejo almost always means working inside a tract home from the 1988 to 2004 build window: original cabinetry, a peninsula or angled island that cramps the traffic flow, and a tile roof overhead that has nothing to do with the kitchen but tells you exactly what era the house came from. The mild coastal-inland climate means we can run the job year-round without freeze delays, but the real constraint is the slab foundation and small footprint. Moving a sink or gas line in Aliso Viejo often means cutting concrete, not dropping through a crawl space, so the plumbing plan drives the budget more than the cabinet selection does. Sunstone ADU Builders handles the full kitchen scope in-house, from demo through cabinetry, countertops, tile, and appliance installation, under the same contract you would use for an ADU. If you are considering a larger project, our Kitchen Remodeling hub page explains the full service.
Galley and Peninsula Kitchen Reconfiguration
Signs you need it
Your Aliso Viejo kitchen has a peninsula or angled island that creates a one-cook bottleneck, and the refrigerator door hits the opposite counter when opened.
What it costs in Aliso Viejo
A galley or peninsula reconfiguration in Aliso Viejo typically runs $18,000 to $45,000 depending on whether walls, plumbing, or the slab come into play.
How we do it
We document the existing layout, model two or three reconfiguration options in plan view, confirm what is load-bearing or plumbing-critical, then demo, reroute, and rebuild to the approved plan.
Builder-Grade Kitchen Upgrade
Signs you need it
The cabinets are original to the 1990s tract build, the laminate counters are delaminating at the edges, and the appliances are a mix of mismatched replacements.
What it costs in Aliso Viejo
A full builder-grade upgrade with new cabinetry, quartz or solid-surface counters, and appliance installation typically lands between $35,000 and $80,000 in Aliso Viejo.
How we do it
We remove the old cabinets and counters, assess the wall and slab condition, install new cabinetry and countertops, then complete the backsplash, lighting, and appliance hookups.
Kitchen Island Addition or Replacement
Signs you need it
The kitchen has no island but the footprint can support one, or the existing island is too small to seat anyone and wastes the center of the room.
What it costs in Aliso Viejo
Adding or replacing a kitchen island in Aliso Viejo typically runs $8,000 to $22,000 including cabinetry, countertop, and electrical work.
How we do it
We confirm the slab and electrical access, build or install the island cabinet run, set the countertop, and finish with outlets, seating overhang, and any pendant lighting.
What Kitchen Remodeling Costs in Aliso Viejo
| Item | Typical range in Aliso Viejo |
|---|---|
| Galley or peninsula reconfiguration | $18,000 – $45,000 |
| Builder-grade full kitchen upgrade | $35,000 – $80,000 |
| Kitchen island addition or replacement | $8,000 – $22,000 |
Two things push kitchen pricing up in Aliso Viejo more than anything else. First is slab work: moving a sink, dishwasher, or gas line on a slab-on-grade foundation means concrete cutting and patching, and that is a line item most general estimates gloss over. Second is wall removal, because several of the village tract plans used shear walls or posts that are not obvious until the drywall comes down. Our quotes are written line by line, and the price on the estimate is the price you pay.
How long does a kitchen remodel take in Aliso Viejo?
A full Aliso Viejo kitchen remodel typically runs four to eight weeks from demo to final walkthrough, depending on slab plumbing work, cabinet lead times, and any HOA review that applies to exterior-facing changes. Call (855) 949-1913 for a schedule specific to your home.
Will an Aliso Viejo kitchen remodel require HOA approval?
Interior kitchen work usually does not trigger HOA review in Aliso Viejo, but any change to exterior walls, windows, vents, or rooflines likely will, and village CC&Rs can be stricter than city code. We check your recorded restrictions before finalizing plans.
Brands We Service in Aliso Viejo
We install and service ADU structures from our brands, including prefab lines from Abodu and Cover, plus Tuff Shed-style structures where the site suits them. We specify James Hardie fiber cement siding on most Aliso Viejo builds because it holds up to the dry heat, Santa Ana dust, and canyon-adjacent fire exposure better than standard lap siding. Most hardware and trim components are stocked or sourced within a few days, which keeps install timelines predictable.
Pricing for ADU Company in Aliso Viejo, CA
| Service | Typical range in Aliso Viejo |
|---|---|
| Galley or peninsula kitchen reconfiguration | $18,000 – $45,000 |
| Builder-grade full kitchen upgrade | $35,000 – $80,000 |
| Kitchen island addition or replacement | $8,000 – $22,000 |
| Attached ADU conversion | $150,000 – $280,000 |
| Garage conversion ADU | $110,000 – $190,000 |
| Detached prefab ADU | $190,000 – $350,000 |
| Detached traditional ADU | $220,000 – $400,000 |
| Second-story-over-garage ADU | $250,000 – $450,000 |
| Bathroom remodel (ADU interior) | $15,000 – $35,000 |
| Bathroom remodel (primary home) | $18,000 – $45,000 |
In Aliso Viejo, the two biggest price movers are site access and HOA architectural review. Lots in the denser village clusters often have no side yard access and limited staging room, which means more hand-carrying and tighter crane or equipment scheduling. Fire-resistant assemblies on canyon-facing elevations also add material cost. Every line is written before work starts, and we do not issue change orders unless you change the scope.
Neighborhoods We Serve in Aliso Viejo
We work across the villages and tract communities that make up Aliso Viejo, from the canyon-edge subdivisions to the denser central clusters. Most of our Aliso Viejo estimates are scheduled within a few days of the first call, and design reviews can often be handled at the same visit.
- Aliso Viejo Ranch
- Glenwood
- Westridge
- Vista del Verde
- Pacific Ridge
Service Area – Cities Near Aliso Viejo
Sunstone ADU Builders serves Aliso Viejo and the surrounding South Orange County communities, including Laguna Hills, CA, Laguna Woods, CA, San Joaquin Hills, CA, and Irvine, CA. If you are just outside city limits, call us and we will confirm coverage for your street.
Serving Aliso Viejo, CA — Our Local Coverage Area
We’re based in the Aliso Viejo 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 Aliso Viejo
We typically schedule Aliso Viejo estimates within two to five business days of the first call. For kitchen or bathroom remodels, one visit is usually enough to measure, review your scope, and deliver a written line-item quote. Call (855) 949-1913 to get on the calendar.
Yes, in most Aliso Viejo villages, recorded CC&Rs and architectural committee rules apply to any exterior change, including ADUs, window swaps, and roofline alterations. City permits are only half the approval chain. We review your village’s recorded restrictions before finalizing plans, so you are not paying for drawings that get rejected.
Yes. We pull all city permits for Aliso Viejo work and coordinate required inspections, and we flag any additional HOA or community association submittals before work begins. You do not have to manage the paperwork yourself. Call (855) 949-1913 and we will walk through what applies to your specific property.
Sunstone ADU Builders has served Aliso Viejo since 2011. Call (855) 949-1913 for a free estimate on your kitchen remodel, ADU, or bathroom project.
What happens when you call
- 1A real person answersNo phone trees — talk to a local adu pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Aliso Viejo Customers Say
"Knew the local setback and parking rules cold, which saved us from designing something that would never have been approved."
— Doug Padgett"He was honest that our lot had a slope problem that would add real cost, before we signed anything."
— Paul Pruitt"The kitchenette layout he suggested made better use of the space than the one on our original sketch."
— Beatriz Garcia