ADU Company in Mission Viejo — Plans, Permits & Build, One Fixed Price

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 Mission Viejo, CA

Kitchen remodeling in Mission Viejo usually means updating a home built between the mid-1960s and late 1980s, where original layouts, cabinets, and electrical were designed for a different era of family life. We see a lot of galley kitchens in Mission Viejo Ranch and Pacific Hills tracts that need to be opened up, re-lit, and brought up to current code. The inland heat here also shapes material choices: solid wood doors hold up, cheap laminates don’t, and ventilation matters more than it does in Laguna Beach. If you’re weighing a remodel, call us at (877) 265-7231 and we’ll give you a straight read on your options.

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Why Mission Viejo Homes Are Different

Mission Viejo is a master-planned community, and that changes how every ADU and remodel gets approved. Nearly every home sits in an HOA, and the city enforces some of the strictest design review in South Orange County. A contractor who doesn’t know how to read a Mission Viejo Ranch or Pacific Hills HOA’s CC&Rs and get plans through both layers of review will stall a project before the first permit is pulled. The first gatekeeper is often not the city but the HOA architectural committee, which can reject a detached ADU’s second-story massing or roofline that the city would otherwise permit. Plans need to be drawn to satisfy both the city’s ADU ordinance and the specific HOA’s CC&Rs before submittal.

Most of the city was built out between the mid-1960s and late 1980s as master-planned tracts, so homes are consistent in era but vary in lot shape and rear-yard landscaping. Mature trees are common, which means detached ADUs and garage conversions face real setback and tree-protection constraints. Mission Viejo also sits inland, roughly 10 to 12 miles from the coast, so it runs hotter and drier than beach cities. Any ADU or kitchen here needs real cooling load calculation, shading, and roof insulation rather than the open-window approach that works closer to the ocean. We design for that.

Our Main Mission Viejo Services

Most Mission Viejo homeowners reach out to us for two things: adding a backyard ADU or refreshing an aging bathroom. Both require navigating HOA review, city permitting, and the realities of 1960s-to-1980s construction, and we handle them together or separately.

ADU Builders in Mission Viejo

Adding an ADU in Mission Viejo means clearing two approval layers before construction starts: your HOA’s architectural committee and the city’s Design Review. We’ve built detached units and garage conversions across the Ranch, Pacific Hills, and Madrid tracts, so we know which massing and roofline choices tend to clear review and which get sent back. Since most lots here have mature trees and rear-yard setbacks, we often recommend a compact footprint or a prefab system that fits the yard without triggering tree-protection fights. For the full walkthrough of how ADU construction works in Mission Viejo, see our ADU Builders in Mission Viejo page.

ADU Builders in Mission Viejo

Bathroom Remodeling in Mission Viejo

Bathrooms in Mission Viejo homes are often original to the build, which means cast iron, dated tile, and exhaust fans that were undersized even in the 1970s. Remodeling usually involves moving plumbing, adding a real ventilation path, and re-waterproofing for a room that now runs hot and humid in summer. We handle the full scope, from a hall bath refresh to a primary bath reconfiguration. For specific costs and timelines, read our Bathroom Remodeling in Mission Viejo page.

Bathroom Remodeling in Mission Viejo
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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 Mission Viejo

Kitchen remodeling in Mission Viejo typically runs from a cosmetic update to a full gut-and-reconfigure, and the price depends on how much of the original 1960s-to-1980s infrastructure you’re replacing. Homes here were built fast as master-planned tracts, so we regularly find undersized electrical panels, worn-out plumbing, and layouts that trap heat in summer. The good news is that most Mission Viejo kitchens have enough square footage to work with; the challenge is making the space breathe and function without fighting the HOA over exterior changes. We also handle Kitchen Remodeling as part of a larger ADU-plus-interior package, so the same crew that builds your backyard unit can renovate the main house under one contract.

Cabinet Replacement and Refinishing

Signs you need it

Doors are delaminating at the corners, drawer slides bind, or the cabinet boxes have gotten soft from years of moisture exposure near the sink.

What it costs in Mission Viejo

Cabinet replacement and refinishing in Mission Viejo typically falls between $5,000 and $15,000, depending on whether we’re refacing existing boxes or installing new ones.

How we do it

We measure the existing footprint, pull the doors and hardware, then either reface the boxes with new doors and veneers or remove them entirely for new cabinet installation, finishing with soft-close hardware and adjusted hinges.

Countertop and Backsplash Update

Signs you need it

Countertops are chipped, stained, or so worn that no amount of resealing brings them back, and the backsplash is cracked or dated to the original build era.

What it costs in Mission Viejo

Countertop and backsplash replacement in Mission Viejo generally runs $3,000 to $8,000, depending on material and linear footage.

How we do it

We template the existing counters, remove the old surface without disturbing the cabinet boxes, then install new stone or solid-surface material and set the backsplash, finishing with new caulk lines and plumbing reconnect.

What Kitchen Remodeling Costs in Mission Viejo

Item Typical range in Mission Viejo
Cabinet replacement or refinishing $5,000 – $15,000
Countertop and backsplash update $3,000 – $8,000
Full kitchen remodel (gut and reconfigure) $25,000 – $60,000

Does a Mission Viejo kitchen remodel require HOA approval?

If the work is interior only and doesn’t change window sizes, exterior vent locations, or the home’s footprint, HOA approval is usually not required. Moving a range hood vent to an exterior wall, adding a window, or expanding the kitchen footprint can trigger HOA review, and we handle that submittal for you.

How long does a kitchen remodel take in Mission Viejo?

A cabinet-and-counter update typically takes 2 to 4 weeks from demo to final walkthrough. A full gut with electrical, plumbing, and layout changes runs 6 to 10 weeks, and HOA submittal can add 2 to 4 weeks to the front end.

Brands We Service in Mission Viejo

We work across eight ADU and building-product brands, and in Mission Viejo we most often recommend Boxabl for compact, fast-to-permit backyards, Plant Prefab for larger custom-layout lots, and Tuff Shed for garage-conversion or workspace ADUs. James Hardie fiber-cement is our standard exterior choice where fire-resistant siding matters on the eastern ridge edges. See our brands for the full range.

Pricing for ADU Company in Mission Viejo, CA

Service Typical range in Mission Viejo
Kitchen cabinet replacement or refinishing $5,000 – $15,000
Kitchen countertop and backsplash update $3,000 – $8,000
Full kitchen remodel (gut and reconfigure) $25,000 – $60,000
Prefab ADU (turnkey, compact) $150,000 – $250,000
Custom detached ADU (site-built) $250,000 – $400,000
Garage conversion ADU $100,000 – $180,000
Bathroom remodel (hall or secondary) $12,000 – $25,000
Primary bathroom remodel (full gut) $25,000 – $55,000

What pushes the price up in Mission Viejo is usually the HOA layer: massing changes, roofline revisions, and material upgrades requested by an architectural committee add design time and sometimes construction cost. We give you a written, line-item quote before work starts, and we don’t change the number unless you change the scope.

Neighborhoods We Serve in Mission Viejo

We work across the city, from the original Ranch tracts to the hillside lots on the eastern edge. Mission Viejo’s consistency makes estimating faster, but every HOA is slightly different, so we treat each project as its own approval path.

  • Mission Viejo Ranch
  • Pacific Hills
  • Madrid
  • La Paz corridor
  • Lake Mission Viejo area

We typically schedule initial site visits in Mission Viejo within a week of your call, and we time HOA submittals to the association’s monthly review calendar when possible.

Service Area – Cities Near Mission Viejo

We also work in the communities around Mission Viejo, including Coto De Caza, CA, Lake Forest, CA, Laguna Hills, CA, and Rancho Santa Margarita, CA. If you’re in a neighboring city and weighing an ADU or remodel, we can come out and walk the lot before you commit.

Serving Mission Viejo, CA — Our Local Coverage Area

We’re based in the Mission 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 Mission Viejo

Ready to get started? Free estimates · Free in-home estimates response in Mission Viejo
Call (877) 265-7231

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 Mission Viejo Customers Say

★★★★★ 5.0 from 4+ reviews

"He gave us a realistic rental number for the finished unit rather than the optimistic one, and it's renting for about what he said."

— Danika Prince

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

— Ramon Garcia

"Every invoice was tied to a completed milestone, so I always knew what I was paying for."

— Kevin Bennett

How It Works in Mission Viejo

Getting your adu handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your adu needs and we provide an upfront, transparent quote — no obligation, no hidden fees.

2

Licensed Technician Dispatched

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

3

Problem Solved, Guaranteed

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

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