ADU Company in Laguna Hills, CA
Lodgewick ADU Builders plans and builds accessory dwelling units, garage conversions, and home additions in Laguna Hills, CA under The Kingswell Guarantee: a written price before work starts, a real arrival window, a clean job site, and a written guarantee on every project. Laguna Hills jobs are different because the city’s 1970s and 1980s tract homes sit on sloped hillside lots inside HOA-governed master-planned communities, which means nearly every project here runs through both city permits and HOA architectural review. Call (254) 602-5618 and we’ll walk you through what your specific lot will actually require.
Why Laguna Hills Homes Are Different
Laguna Hills was built almost entirely as master-planned tract communities between the 1970s and 1990s, and that history shapes every ADU job here. Most homes are single-family detached with attached two-car garages, and most lots slope. A detached ADU on a sloped Laguna Hills lot routinely needs engineered retaining walls, pier foundations, or cut-and-fill grading before any framing goes up, which pushes budgets above what the same floor plan costs on a flat lot in a neighboring city.
Then there’s the HOA layer. California law, specifically AB 3182, prevents HOAs from banning ADUs outright, but Laguna Hills HOAs can still dictate roofline pitch, exterior materials, and color palette. Many CC&Rs in the El Toro and Saddleback corridor tracts require full construction drawings submitted to an HOA architectural committee before the city permit application. Contractors who pull city permits first and skip HOA review often receive stop-work letters mid-project. Russ Delmar and the Lodgewick team sequence every Laguna Hills job HOA sign-off first, city permit second, so the schedule doesn’t stall halfway in.
Wildfire code adds a third layer. Portions of Laguna Hills sit inside High Fire Hazard Severity Zones, which triggers Wildland-Urban Interface construction requirements: fire-resistant framing, exterior wall assemblies, and ember-resistant vents. Coastal Orange County cities rarely deal with this. In Laguna Hills it’s often the difference between a standard bid and one that accounts for upgraded materials and an extra inspection cycle.
Our Main Laguna Hills Services
Most Laguna Hills homeowners call us about three things: adding square footage to the main house, converting an attached garage into living space, or building a detached ADU in the back yard. Each has its own page with local pricing and permit detail.
Home Addition Contractor in Laguna Hills
Hillside home additions in Laguna Hills frequently require structural floor-to-ceiling work, because the natural grade drops away from the existing slab. We plan the foundation strategy around your specific lot slope and pull the HOA architectural application before the city permit. Written price comes first, every time. Learn more on our Home Addition Contractor in Laguna Hills page.

Garage Conversion Contractor in Laguna Hills
The attached two-car garages common throughout Laguna Hills tract neighborhoods convert efficiently because the roof, walls, and slab already exist. The catch: HOA visibility. Garage conversions often change the front elevation, so architectural review is more likely to scrutinize door placement and exterior finishes. We sequence that review before permit submittal. See details on our Garage Conversion Contractor in Laguna Hills page.

ADU Builders in Laguna Hills
Detached ADUs on sloped Laguna Hills lots almost always involve retaining walls or pier foundations, and many properties fall within WUI fire zones that require upgraded assemblies and vents. We match the right system, often from Cover, Dvele, or Mighty Buildings, to your lot conditions, HOA constraints, and budget, then put the full price in writing before any work begins. Start with our ADU Builders in Laguna Hills page.

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.
Brands We Service in Laguna Hills
We work regularly with Cover, Dvele, Mighty Buildings, and Boxabl systems, and our crews are familiar with the specific assembly details and warranty processes for each. Parts for common prefab systems are stocked locally through our Los Angeles supply coordination, which keeps most Laguna Hills warranty repairs on a normal schedule instead of waiting on backorder. See our brands for the full picture.
Pricing for ADU Company in Laguna Hills, CA
| Service | Typical range in Laguna Hills |
|---|---|
| Site survey and HOA drawing set | $1,500 – $3,500 |
| Hillside retaining wall (per project) | $8,000 – $25,000 |
| Pier or caisson foundation (detached ADU) | $15,000 – $40,000 |
| Cut-and-fill grading (minor slope) | $5,000 – $18,000 |
| Garage conversion (attached, existing footprint) | $90,000 – $160,000 |
| Detached ADU, 400 – 600 sq ft | $180,000 – $290,000 |
| Detached ADU, 600 – 900 sq ft | $250,000 – $420,000 |
| Prefab ADU (Cover, Dvele, Mighty Buildings, Boxabl) | $190,000 – $380,000 |
| Home addition, ground-level, 300 – 500 sq ft | $140,000 – $240,000 |
| WUI fire-rated exterior assembly upgrade | $12,000 – $35,000 |
What pushes price up in Laguna Hills is almost always the lot: slope, soil, and fire-zone requirements stack on top of the base build. We give you a written price before work starts and that number doesn’t change at the door.
Neighborhoods We Serve in Laguna Hills
Our crews work throughout Laguna Hills, from the older tracts near El Toro Road to the hillside communities along Moulton Parkway and La Paz. We schedule most Laguna Hills estimates within a few business days and coordinate HOA-related document pickup directly with your management company.
- Aliso Viejo Gateway area
- Nellie Gail Ranch
- Laguna Hills Estates
- Moulton Ranch
- Quail Hill adjacent tracts
Service Area – Cities Near Laguna Hills
Lodgewick ADU Builders serves homeowners throughout south Orange County. In addition to Laguna Hills, our crews regularly work in Aliso Viejo, CA, Laguna Woods, CA, Mission Viejo, CA, and Lake Forest, CA. Scheduling is coordinated from our Los Angeles office, with local crews dispatched to every city in the service area.
Serving Laguna Hills, CA - Our Local Coverage Area
We’re based in the Laguna Hills 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 Laguna Hills
Most Laguna Hills estimates are scheduled within a few business days, and once you approve the written price, we begin the HOA drawing set immediately. The full timeline depends on your HOA’s architectural committee cadence, which varies by tract.
Yes. We prepare the architectural submittal package your Laguna Hills HOA requires and sequence HOA sign-off before the city permit application, so the project doesn’t stall or receive a stop-work notice mid-build.
Our 365-Day Done Right Promise means if the work isn’t right within the guarantee period, we come back and make it right. That commitment is delivered in writing on every Laguna Hills project before the first day of work begins.
Call (254) 602-5618 to schedule your free estimate in Laguna Hills, and we’ll put the full price in writing before any work starts.
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 Laguna Hills Customers Say
"The ADU came out beautiful and the permitting, which terrified me, was handled start to finish. They kept me updated every week so I was never wondering what was happening."
- Shauna Mills"A whole backyard ADU from scratch. Terrified me going in, but they kept me updated weekly and there were no nasty surprises. Quality work and a fair price."
- Noreen Fletcher"Built a backyard unit for my mother in law. They handled the permits, gave me a real timeline, and stuck to it within a few days. The written price is what we paid, which anyone who's done construction knows is rare."
- Dennis Fairchild