A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Redlands, CA
Adding an ADU or home addition in Redlands costs more than the state average in historic districts and less than you might expect in the larger-lot ranch neighborhoods, and the difference usually comes down to one thing: which side of the preservation overlay your property sits on. Most detached ADUs in Redlands run $180,000 to $320,000 before site work, while garage conversions typically land between $90,000 and $160,000. Our crews work both paths every month, so we can tell you which route your lot actually supports before you spend a dollar. Call (831) 217-6083 to talk it through.
Why Redlands Homes Are Different
Redlands isn’t one housing market. The South Redlands Historic District and the neighborhoods around Smiley Heights are full of early-20th-century Craftsman and Spanish Colonial Revival homes, and those come with preservation board scrutiny that a standard tract home never faces. Additions to the main house are often fought over rooflines, window proportions, and street-facing facades, which is precisely why so many homeowners pivot to detached structures or garage conversions instead. The city’s preservation rules tend to treat rear-yard and alley-access units more gently than anything that changes the front of the house.
Farther out, in the larger ranch-style parcels east toward Yucaipa and north of the 10, the conversation flips. Lots get bigger, setbacks become less restrictive, and the practical question is less about design review and more about how far your sewer line has to run. The inland heat matters everywhere in Redlands, though. Hot, dry summers with Santa Ana wind events mean we specify heat-resistant siding, deeper roof overhangs, and ventilation that actually moves air through the structure. A poorly vented ADU in a Redlands August is not theoretical discomfort; it’s a build quality failure.
Our Main Redlands Services
Redlands homeowners mostly call us about one of three things, and each has its own page with pricing, timelines, and the specific way we handle that project type in this city.
Home Addition Contractor in Redlands
A home addition in Redlands usually means extending a 1960s-80s ranch house on a larger lot, where the main variables are foundation matching, roof tie-in, and whether the addition triggers a full electrical panel replacement. In the historic districts, additions get more complicated because the preservation board wants the new work to read as original. We handle both realities, pull the permits, and give you a written price before anything starts. Home Addition Contractor in Redlands.
ADU Builders in Redlands
Most Redlands ADUs we build are detached units in rear yards or garage conversions, in large part because the city’s rules make those the most straightforward approvals. We have direct experience with prefab lines including Abodu, Dvele, and Plant Prefab, which can compress a Redlands build timeline meaningfully when site conditions cooperate. Your lot’s setbacks, sewer reach, and the amnesty program’s terms determine what’s feasible, and we’ll walk you through that before you commit. ADU Builders in Redlands.
Room Addition Contractor in Redlands
A single-room addition, whether a home office, a ground-floor bedroom, or an expanded kitchen, runs a narrower scope than a full addition, but Redlands still demands proper foundation work, insulation rated for inland heat, and a roof tie-in that won’t leak in the first Santa Ana rain. We quote room additions with line-item pricing so you see exactly where the money goes. Room Addition Contractor in Redlands.
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 Redlands
We work directly with Abodu, Cover, and James Hardie product lines, which means we can source prefab modules, cladding, and trim without the supply-chain guesswork that stalls a Redlands project. Our relationship with these manufacturers keeps parts availability predictable and makes warranty work faster. See our brands for the full list.
Pricing for ADU Company in Redlands, CA
| Service | Typical range in Redlands |
|---|---|
| Detached ADU (studio, 400-500 sq ft) | $180,000 – $240,000 |
| Detached ADU (1-bedroom, 500-700 sq ft) | $220,000 – $320,000 |
| Detached ADU (2-bedroom, 700-900 sq ft) | $260,000 – $380,000 |
| Garage conversion ADU (400-500 sq ft) | $90,000 – $140,000 |
| Garage conversion ADU (500-700 sq ft) | $110,000 – $160,000 |
| Prefab ADU (site work included) | $200,000 – $350,000 |
| Room addition (200-400 sq ft) | $70,000 – $120,000 |
| Home addition (400-800 sq ft) | $130,000 – $220,000 |
| Home addition (800+ sq ft) | $220,000 – $400,000 |
In Redlands, the biggest price movers are sewer line distance, preservation-board design revisions, and whether your lot sits in a hillside zone that requires additional engineering. Every project we quote includes a written price before work begins, and the 365-Day Done Right Promise covers defects in workmanship for one full calendar year from project completion.
Neighborhoods We Serve in Redlands
We work across Redlands, from the tree-lined streets of the South Redlands Historic District to the larger lots in East Redlands and the neighborhoods near Smiley Heights, Redlands Heights, and University Grove. Most Redlands properties are within 20-30 minutes of our scheduling office, so estimates get booked quickly and crews can pivot when weather or inspections shift.
- South Redlands Historic District
- Smiley Heights
- Redlands Heights
- University Grove
- East Redlands
Service Area – Cities Near Redlands
While this page is focused on Redlands, our crews also cover nearby cities in the Inland Empire. If you’re in Mentone, CA, Colton, CA, Riverside, CA, or Nuevo, CA, we can schedule estimates and builds there as well.
Serving Redlands, CA - Our Local Coverage Area
We’re based in the Redlands 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 Redlands
Redlands allows many homeowners to legalize unpermitted garage conversions or ADUs under eased setback and parking rules. The specifics depend on when the work was done and whether it meets current safety minimums. Call (831) 217-6083 and we’ll tell you whether your situation qualifies before you spend on drawings.
If your home sits within a designated historic district, any change visible from the street typically requires design review. Detached structures in rear yards and garage conversions that preserve the existing facade usually get approved with less friction than additions that alter the front of the house.
Pre-construction planning, design, and permitting typically take 8 to 16 weeks in Redlands depending on whether your property triggers historic review. Build time runs 3 to 8 months after permits clear, with prefab options sometimes shortening that. Call (831) 217-6083 for a realistic timeline on your specific lot.
For a free estimate on your Redlands ADU, garage conversion, or home addition, call (831) 217-6083. We’ll send a named, photo-badged Sutton technician to your property, give you a written price, and stand behind the work for a full year.
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 Redlands Customers Say
"Good quality build. One delay on cabinets, but they gave a realistic new date and kept to it."
- Gordon B."Insulated the walls and ceiling properly. It stays comfortable even in July."
- Tamika W."Itemized estimate with allowances laid out. Final cost was within a hair of the quote."
- Naomi R.
