A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Home Gardens, CA
Adding an ADU, converting a garage, or building a room addition in Home Gardens means working with a compact, older housing stock, tight side yards, and a city permit process that rewards a builder who files plans correctly the first time. Fielding ADU Builders handles all three jobs here, and every project starts the same way: a written price before any work begins. If you’re weighing whether an ADU makes sense on your Home Gardens lot, call (361) 315-4177 for a free estimate and we’ll walk the property with you.
Why Home Gardens Homes Are Different
Home Gardens sits on the western edge of Riverside County, just south of the 91 freeway and east of the 15. The lots here are smaller than what you’ll find in newer Inland Empire subdivisions, and many of the homes date to the 1950s and 1960s. That changes the work in practical ways: side-yard setbacks often require a variance before an ADU can go in, and older slab foundations sometimes need reinforcement before a room addition can tie in. We pull permits through Riverside County and walk every plan through the review process instead of leaving that to the homeowner.
The soil across Home Gardens is mostly sandy loam over a hardpan layer, which affects trenching for new utility lines and drainage. Homes near the Santa Ana River corridor sit on softer ground, so we budget for deeper footings there. On the residential streets off Magnolia Avenue and along Golden Avenue, we see a lot of single-story ranch homes where a garage conversion is the fastest path to a rental unit or a guest suite. The climate helps: with dry summers and mild winters, construction can proceed year-round here, which keeps schedules predictable.
Our Main Home Gardens Services
Most Home Gardens homeowners call us about one of three jobs: converting an attached garage into living space, adding a room or suite to an existing home, or building a detached ADU in the backyard. Each service has its own Home Gardens page below.
Room Addition Contractor in Home Gardens
A room addition in Home Gardens usually means extending off the back of a ranch home or building up over an existing single-story footprint. The older homes here often have roof lines and foundation details that need careful matching, and we handle the structural engineering, county permits, and the finish work as one package. The written price covers the full scope before we start. Room Addition Contractor in Home Gardens has pricing ranges, timelines, and what to expect from the county review.
Garage Conversion Contractor in Home Gardens
Converting a garage in Home Gardens is one of the most cost-effective ways to add a rental unit or in-law suite, and many of the attached two-car garages on these 1960s lots are ideal candidates. The main considerations are insulation, a new foundation slab or raised floor, and bringing electrical and plumbing up to current code. We also check the driveway and parking requirements, because Riverside County enforces replacement parking on many conversions. Garage Conversion Contractor in Home Gardens details the process and the typical price range.
ADU Builders in Home Gardens
A detached ADU in Home Gardens gives you a separate rental unit or a private space for family without touching the main house. We build both conventional stick-frame ADUs and work with prefab platforms like Abodu and Mighty Buildings, which can shorten the on-site timeline considerably. Lot size, setback rules, and utility tie-ins all shape the final price, and the written quote accounts for each before we begin. ADU Builders in Home Gardens covers floor plans, prefab options, and what a detached unit costs 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.
Brands We Service in Home Gardens
We work with the major prefab and modular ADU platforms homeowners in Home Gardens are already researching, including Abodu, Cover, and Mighty Buildings. For conventional builds, we frame on-site and finish with James Hardie siding where the design calls for it. Turnaround on prefab approvals and delivery varies by manufacturer, and we coordinate that schedule as part of the written estimate. See our brands for the full list.
Pricing for ADU Company in Home Gardens, CA
| Service | Typical range in Home Gardens |
|---|---|
| Detached ADU (prefab, 500 sq ft) | $180,000 – $260,000 |
| Detached ADU (site-built, 750 sq ft) | $240,000 – $340,000 |
| Garage conversion (attached, 400 sq ft) | $95,000 – $140,000 |
| Garage conversion (detached, 400 sq ft) | $120,000 – $165,000 |
| Room addition (400 sq ft, ground level) | $110,000 – $160,000 |
| Room addition (600 sq ft, second story) | $180,000 – $250,000 |
| Primary suite addition (450 sq ft) | $130,000 – $185,000 |
| Utility and permit coordination | $18,000 – $30,000 |
Prices in Home Gardens move higher when a project triggers a setback variance, requires foundation reinforcement on an older slab, or needs a sewer line extension to reach a detached unit. Every Fielding ADU Builders estimate is written and fixed before work starts; the number you approve is the number on the final invoice.
Neighborhoods We Serve in Home Gardens
We work across Home Gardens, from the streets off Magnolia Avenue to the homes clustered near Golden Avenue and the neighborhoods south of the 91. Our crew scheduling puts most Home Gardens jobs within a one-week start window once permits clear.
- Magnolia Avenue corridor
- Golden Avenue area
- Streets off Home Gardens Drive
- Neighborhoods south of the 91
- Areas near the Santa Ana River
Service Area – Cities Near Home Gardens
Beyond Home Gardens, we serve homeowners across the Inland Empire and into the greater Los Angeles basin. If you’re in Los Angeles, CA, Long Beach, CA, Anaheim, CA, or Riverside, CA, our crews can reach you from the nearby metro office. The written-price and guarantee terms are the same wherever the job is.
Serving Home Gardens, CA - Our Local Coverage Area
We’re based in the Home Gardens 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 Home Gardens
Once plans are approved and permits are issued, most Home Gardens ADUs break ground within two to three weeks. The county review typically takes four to eight weeks depending on whether a variance is required. Call (361) 315-4177 and we’ll give you a realistic timeline for your specific lot.
Many Home Gardens lots need a setback variance because the side yards are narrow and the county’s standard setback rules assume more room. We determine that during the initial site visit, file the variance as part of the permit package, and include the cost in the written estimate. Call (361) 315-4177 to schedule a free site review.
Yes, we pull all permits through Riverside County and our name goes on the permit board, not yours. The written price includes permit fees, and we coordinate every inspection. If a correction is ever requested, we make it and schedule the re-inspection. Reach us at (361) 315-4177 for a free estimate.
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 Home Gardens Customers Say
"Insulation, drywall, and finishes were all well done. Feels like part of the house."
- Pete O."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.
