







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Menifee, CA
Menifee homeowners call us when they need an ADU, a garage conversion, or a room addition, and they want the price in writing before the first nail goes in. That is how Fielding ADU Builders works. Menifee’s housing stock spans older single-story ranches from the 1960s and 1970s and newer tract builds from the last ten years, which means every job starts with a different foundation, roofline, and setback situation. The heat is the other constant here: summers regularly cross 100 degrees, so we schedule exterior work for the cooler mornings and plan insulation and HVAC runs to actually hold up in August. Call (361) 315-4177 and we’ll put a written estimate in your hands before any work starts.
Why Menifee Homes Are Different

Menifee sits in the Menifee Valley, which means most lots are relatively flat but many back up to the foothills east of the 215. That flat terrain is helpful for ADU placement, but it also means drainage has to be handled correctly. A careless slab pour or a poorly graded foundation will send runoff toward the main house after the first winter storm. We see this on lots throughout the 92584, 92585, 92586, and 92587 ZIP codes, from Audie Murphy Ranch to the older neighborhoods off Bradley Road and Newport Road. The city will not sign off on a final inspection if the drainage plan is not real, and we would rather get it right the first time than fight a failed inspection.
Menifee also has a meaningful number of homes on half-acre and larger lots, especially in areas like Romoland and the neighborhoods east of Leon Road. That extra space changes the conversation: a detached ADU is genuinely possible, not just a paper option. At the same time, a good portion of Menifee’s housing stock is HOA-governed, so before we quote anything we confirm the HOA’s rules around auxiliary structures, height limits, and exterior finishes. That step is free, and it keeps a project from stalling two months in. The heat, the drainage, and the HOA layer are the three things that make Menifee jobs different from a generic Southern California build.
Our Main Menifee Services
These are the three jobs Menifee homeowners most often call us about. Each one has its own Menifee page with pricing and details.
Room Addition Contractor in Menifee
A room addition in Menifee usually means extending the back of a single-story ranch to add a bedroom, a family room, or an in-law suite. We match the existing roofline, stucco texture, and floor height so the addition does not read as an afterthought. Menifee’s summer heat means we also size the air conditioning for the added square footage correctly, which is a detail some bids skip. If you are planning a room addition, start with the detailed page: Room Addition Contractor in Menifee. We’ll give you a written price before any work begins.

Garage Conversion Contractor in Menifee
Converting a garage into living space is one of the fastest ways to add a bedroom or rental unit in Menifee, since the shell, slab, and roof already exist. The real work is in the details: electrical, insulation, drywall, and bringing the room up to code for egress and ventilation. Menifee’s heat makes garage insulation a non-negotiable, and many older garages were never insulated at all. For the full breakdown, see Garage Conversion Contractor in Menifee. The written price we hand you covers the whole scope, not a teaser.

ADU Builders in Menifee
A detached ADU in Menifee works especially well on the larger lots common in neighborhoods east of the 215 and out toward Romoland. We build both conventional stick-frame ADUs and prefab units from Abodu, Cover, and Dvele, depending on your budget and how fast you want the unit livable. Menifee’s flat terrain helps with site prep, but setbacks, utility connections, and drainage still need a diligent hand. Read the full breakdown here: ADU Builders in Menifee. We verify the HOA rules and the setback requirements before we quote, so the number we hand you is the number you pay.

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 Menifee
We work with the prefab and modular platforms Menifee homeowners ask about most: Abodu, Cover, Dvele, and Mighty Buildings. Our team handles the site work, foundation, utility connections, and finish details for these units, and we know each platform’s installation requirements well enough to spot conflicts early. Read more on our brands page.
Pricing for ADU Company in Menifee, CA
| Service | Typical range in Menifee |
|---|---|
| Detached ADU (prefab, 400 – 600 sq ft) | $95,000 – $185,000 |
| Detached ADU (conventional stick-frame, 400 – 600 sq ft) | $140,000 – $240,000 |
| Detached ADU (conventional stick-frame, 600 – 800 sq ft) | $190,000 – $310,000 |
| Garage conversion to ADU (single-car) | $55,000 – $95,000 |
| Garage conversion to ADU (two-car) | $85,000 – $150,000 |
| Room addition (200 – 400 sq ft) | $60,000 – $120,000 |
| Room addition (400 – 600 sq ft) | $105,000 – $180,000 |
| Room addition (600 – 800 sq ft) | $155,000 – $250,000 |
What pushes a Menifee job toward the top of these ranges is usually one of three things: poor soil that needs deeper footings, an HOA that requires specific exterior finishes, or a tight setback that triggers a variance. The written price we hand you before work starts holds. If a condition on your lot will change the number, we tell you in that estimate, not halfway through the job.
Neighborhoods We Serve in Menifee
We work across Menifee, from the established neighborhoods near the center of town to the newer and larger lots on the edges. Crews stage from the Inland Empire office, which keeps response times tight for the whole valley.
- Audie Murphy Ranch
- Romoland
- Menifee Lakes
- Heritage Lake
- Sun City
Service Area – Cities Near Menifee
We serve Menifee homeowners and also take jobs in the neighboring communities around the valley. If you are just outside Menifee, you may still be in our service area. We work in Homeland, CA, Wildomar, CA, Murrieta, CA, and Lake Elsinore, CA, with the same written-price and one-year guarantee on every job.
Serving Menifee, CA - Our Local Coverage Area
We’re based in the Menifee 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 Menifee

Yes. Every ADU, garage conversion, and room addition we build in Menifee is permitted through the city. We prepare the plans, submit them, and schedule the inspections. Permits are part of the written estimate we hand you before any work starts, so there is no surprise line item later. Call (361) 315-4177 and we can walk through what your specific project will need.
Scheduling depends on the size of the job and the current permit queue with the city, but most Menifee projects are scheduled within a few weeks of the signed estimate. Prefab ADUs like Abodu, Cover, and Dvele typically move faster on site because the unit arrives built. We’ll give you a real start date in writing, not a vague window, when you call (361) 315-4177.
We check your HOA’s rules before we quote anything, and we do not charge for that review. If the HOA has restrictions on height, setback, or exterior materials, we fold those requirements into the plan so the project does not stall after approval. If a conflict exists, we will tell you plainly and help you decide whether the project makes sense. Call (361) 315-4177 for a free estimate. Start with the home page for a full look at what we build.
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 Menifee Customers Say
"Built a detached ADU behind our house. The builder is a veteran and runs the site like a platoon: schedule posted, crew on time, everything labeled. Finished within a few days of the date."
- Ken W."Room addition over the back patio. Framing is square, windows are tight, and the roofline matches."
- Danny L."Foundation and slab poured on schedule. Crew kept the yard orderly."
- Marian J.



