A Lodgewick company - serving Riverside, CA
A quiet residential street with a new ADU behind one of the homes
Wildomar, CA

ADU Company in Wildomar - One Fixed Price, Permits Handled

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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🛡 Licensed & Insured 📝 Written Fixed-Price Quotes 💲 No Change Orders · Free Estimates
A small deck outside a new ADU
The living room inside a new ADU
A new two-story ADU over a garage
A compact kitchen inside a new ADU
A new modern ADU with wood cladding
A single-story rear room addition with tall windows and a new patio
An attached garage converted into living space
A new sunroom addition with three walls of windows
Every project starts with

A free site visit, a check of what your lot allows and a written, line-item price.

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ADU Company in Wildomar, CA

Most Wildomar ADU projects involve more than framing and drywall. The lots are larger, many homes run on septic, and the terrain slopes toward the hills. That means an accessory dwelling unit here often needs custom utility work and real attention to drainage before the first wall goes up. We’re Lodgewick ADU Builders, the ADU company of the Kingswell family, and we put a written price in your hand before any work starts. Call (831) 292-4191 to talk through your Wildomar property.

Call (831) 292-4191

Why Wildomar Homes Are Different

The bedroom inside a new ADU

Wildomar is not Murrieta or Temecula. The city holds onto a rural feel with large parcels, ranch-style homes from the 1970s and 1980s, and subdivisions built through the 2000s. A lot of properties run on septic systems that were sized for one house, not two. When you add an ADU to a Wildomar lot, the county often wants the septic checked or upgraded, and that can add $15,000 to $40,000 depending on soil and system age. That’s a hurdle most homeowners don’t see coming, and it’s the single biggest cost variable on Wildomar ADU projects.

The climate adds another layer. Summers push past 100 degrees, and an ADU without proper insulation and ventilation turns into an oven by July. Winter rains soak sloped lots, so foundation waterproofing and drainage matter more here than on flat city lots in Riverside. If your property backs up to the hills or sits in a drainage path, we plan for that from the first site walk. Many Wildomar homes also lack natural gas hookups, which steers a lot of our projects toward electric heat pump systems and induction cooktops.

Our Main Wildomar Services

Wildomar homeowners call us most often for two things: turning an existing structure into living space, or building something new on the back half of the lot. Each service has its own Wildomar page with detailed pricing and timelines.

Home Addition Contractor in Wildomar

A home addition in Wildomar usually means expanding the main house rather than building a separate structure. On older ranch-style homes, that often involves tying new framing into existing 1980s construction, matching rooflines, and upgrading a panel that was never designed for the extra load. On sloped lots, the foundation work gets more involved, and we may need stepped footings or retaining walls. If your lot has a septic system, an addition that adds bedrooms can trigger a county requirement to verify system capacity. Russ Delmar leads our Wildomar projects and keeps every commitment in writing. See Home Addition Contractor in Wildomar for full details.

Home Addition Contractor in Wildomar

Garage Conversion Contractor in Wildomar

Converting a garage in Wildomar is one of the fastest ways to add a rental unit or a place for aging parents. Many Wildomar homes have attached garages built in the 1990s or early 2000s, and the concrete slab is usually in decent shape. The bigger questions are insulation, ceiling height, and whether the garage shares a wall with the main house. Wildomar’s hot summers mean a garage conversion needs real insulation in the walls and attic, not just a coat of paint. On properties with septic, converting a garage to living space doesn’t usually add a bedroom count that triggers an upgrade, which keeps costs down. Read Garage Conversion Contractor in Wildomar for pricing specific to your garage.

Garage Conversion Contractor in Wildomar

ADU Builders in Wildomar

A detached ADU in Wildomar often goes where the barn used to be, or on the open back acre of a horse property. That’s different from building in a tract subdivision. We’re working around existing wells, septic leach fields, and sometimes protected oaks. Placement matters: you want the unit close enough to tap existing utilities but far enough to preserve the open feel that brought you to Wildomar. We work with prefab manufacturers like Abodu, Cover, and Dvele when the lot and budget fit, which can cut months off the timeline compared to stick-built. Our ADU Builders in Wildomar page walks through lot requirements, septic considerations, and realistic budgets.

ADU Builders in Wildomar
Need help today?Fast, friendly service and a no-obligation free estimate.

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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.

Brands We Service in Wildomar

We work with established ADU and materials brands that hold up to Wildomar’s heat and occasional winter storms. That includes James Hardie siding for fire resistance, Abodu and Cover for prefab ADU shells, and Dvele for high-performance modular units. Since wildomar projects often need quick decisions on materials, we keep our suppliers local and can usually confirm availability within a day. Browse our brands to see what we install most.

Pricing for ADU Company in Wildomar, CA

Service Typical range in Wildomar
Detached ADU (1 bed, 1 bath, 400 – 600 sq ft) $160,000 – $240,000
Detached ADU (2 bed, 2 bath, 700 – 1,000 sq ft) $240,000 – $380,000
Prefab ADU (permit to install, 400 – 800 sq ft) $140,000 – $240,000
Attached JADU (converted from existing space) $80,000 – $140,000
Garage conversion to ADU (full finish, 400 – 500 sq ft) $100,000 – $170,000
Garage conversion, no utility moves $75,000 – $120,000
Septic upgrade or alternative system (if required) $15,000 – $40,000
Home addition, 300 – 500 sq ft (room or suite add-on) $110,000 – $210,000
Home addition, 500 – 800 sq ft (living room + bedroom) $180,000 – $320,000
Panel upgrade (100A to 200A) $2,500 – $5,000
Heat pump HVAC for ADU (per unit) $7,000 – $14,000

What pushes a Wildomar ADU toward the top of these ranges? Septic capacity, sloped foundation work, and long utility runs from the main house to the back of the lot. Every estimate we give is a written price before work begins, and that price doesn’t change at the door.

Neighborhoods We Serve in Wildomar

Wildomar spreads across flat subdivision streets near the freeway and climbs into horse country toward the hills. We work throughout the city, and most of our crews reach any Wildomar address within 30 to 45 minutes after dispatch.

  • The Farm (HOA-governed, tract homes, 1990s – 2000s)
  • Wildomar Hills and ranchette properties along Grand Ave
  • Lake Elsinore Hills side (shared border area)
  • Sedco and Mission Trail corridors
  • Clinton Keith Road corridor (newer subdivisions)

Service Area – Cities Near Wildomar

Lodgewick ADU Builders serves Wildomar and the surrounding communities across Riverside County. If you’re in a neighboring city and have questions about an ADU, a garage conversion, or a home addition, we can help. We also work in Homeland, CA, Riverside, CA, Beaumont, CA, and Calimesa, CA. Scheduling and dispatch for our Wildomar crews run from our Inland Empire office.

Serving Wildomar, CA - Our Local Coverage Area

We’re based in the Wildomar 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 Wildomar

The bathroom inside a new ADU

Ready to get started? Free estimates · Free written quotes response in Wildomar
Call (831) 292-4191

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 Wildomar Customers Say

★★★★★ 4.9 from 7+ reviews

"Garage conversion into an office and guest room. Fair written price, finished close to on schedule, and they fixed a small drywall crack under warranty months later without any hassle."

- Diana Cho

"I was nervous about adding on but they walked me through every step and every cost before we started. No surprise change orders halfway through like I'd heard horror stories about."

- Eleanor Pratt

"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

How It Works in Wildomar

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 Wildomar - 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.

More ADU services in Wildomar

Every build below starts the same way: a free site visit and a written price.

Getting started with Lodgewick in Riverside

Every project starts with a conversation and a written price. Here is how to take the first step.

A project lead measuring a backyard ADU site with the homeowner

Free site visit

A project lead walks the lot with you, checks what it allows and hands you a written, line-item price. No obligation.

Book a site visit
A building crew carrying lumber to a backyard ADU site

Your Riverside team

A local crew that works across Riverside and the towns around it, to the same written standard as every Lodgewick location.

Areas we serve
A worker protecting the lawn before an ADU build starts

Read our written promise

What we promise on every job, written down, with the terms spelled out before any work starts.

Our promise

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