A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Cypress, CA
We’re Sutton ADU Builders, and we handle ADUs, home additions, and room additions in Cypress. Most Cypress homeowners we talk to want to know the same thing first: what will this actually cost, and who exactly will show up to do the work. You get a written price before anything starts, and every crew member is background-checked and photo-badged under our Threshold Verified standards. Call us at (472) 248-8213 for a free estimate on your Cypress project.
Why Cypress Homes Are Different
Cypress is a city of ranch houses built mostly between the late 1950s and early 1970s, with lot sizes that tend to run larger than what you’ll find in neighboring Orange County cities. That means most ADU projects here are detached units in a backyard rather than garage conversions, simply because the lots can hold them. The soil is another factor we account for on every Cypress build. Much of the city sits on flat, former agricultural land with a high clay content, which moves more with seasonal moisture changes than sandy or rocky soil does. Foundation design for a detached ADU in Cypress needs to account for that movement, and we specify accordingly.
Permitting moves through the City of Cypress’s planning department, and because the city has its own ADU overlay standards, setbacks and height limits can be stricter than state minimums. HOA communities like Cypress Village and Sorrento add another layer of approval that has nothing to do with the city itself. We walk every Cypress client through both tracks before a single plan is finalized, because an HOA rejection stops a build just as surely as a city one does.
Our Main Cypress Services
Three services account for nearly every call we take from Cypress homeowners. Each has its own dedicated Cypress page with specific pricing, timelines, and what to expect – here’s the short version.
Home Addition Contractor in Cypress
A home addition in Cypress is usually about making a mid-century ranch work for the way households actually live now. We see a lot of master suite additions on the rear of the home, extended family rooms, and second-story additions on single-story houses where the lot is too tight to build out. Cypress single-story homes with 2×4 framing and older foundations often need shear wall and footing upgrades to meet current code once you start tying new square footage to the original structure. See the full Cypress home addition guide.
ADU Builders in Cypress
Detached ADUs are the most common build we do in Cypress, because average lot sizes here run 5,000 to 7,500 square feet. A 500 to 800 square foot one-bedroom unit is the sweet spot for most backyards, and we handle everything from planning and permits through final inspection. The city’s setback requirements and the clay soil both influence foundation type and placement, and we plan around both from the first site walk. See the full Cypress ADU guide.
Room Addition Contractor in Cypress
A room addition in Cypress typically means adding a bedroom, a home office, or a larger kitchen without changing the home’s overall footprint direction. These projects are smaller than a full addition and usually faster to permit, but they still need the same foundation care and the same written pricing. If your Cypress home sits in one of the older neighborhoods with original slab foundations, we’ll check for settling and soil conditions before we finalize your number. See the full Cypress room addition guide.
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 Cypress
If you’re weighing a prefab ADU, we work directly with Abodu, Cover, and Dvele product lines, and we install their units on Cypress lots with the same written pricing and crew standards as our custom builds. We also handle James Hardie exterior cladding on both prefab and stick-built Cypress projects. See our brands page for the full rundown.
Pricing for ADU Company in Cypress, CA
| Service | Typical range in Cypress |
|---|---|
| Detached ADU (500 – 800 sq ft, one bedroom) | $180,000 – $320,000 |
| Detached ADU (800 – 1,000 sq ft, two bedroom) | $260,000 – $420,000 |
| Garage conversion ADU | $120,000 – $200,000 |
| Prefab ADU (Abodu, Cover, or Dvele) | $190,000 – $350,000 installed |
| Room addition (200 – 400 sq ft) | $90,000 – $180,000 |
| Home addition (500 – 800 sq ft) | $140,000 – $280,000 |
| Second-story addition | $220,000 – $380,000 |
| James Hardie siding and trim | $18,000 – $45,000 |
Cypress pricing gets pushed upward by soil-related foundation work and by HOA-driven design reviews that sometimes require elevation or material changes. Every Cypress quote we give is a written, fixed price before work starts. No change orders slipped into the invoice later.
Neighborhoods We Serve in Cypress
We work across all of Cypress, and we schedule site walks quickly because our crews are already moving throughout the city and the surrounding area most days of the week.
- Cypress Village
- Sorrento
- East Gate
- Greenbrook
- West Cypress
Service Area – Cities Near Cypress
Our Cypress crews also cover nearby Orange County cities for ADUs and additions. We regularly work in La Palma, CA, Los Alamitos, CA, Hawaiian Gardens, CA, and Buena Park, CA. Each city has its own permit office and, in some cases, its own ADU standards, so we handle those differences as part of planning your scope.
Serving Cypress, CA - Our Local Coverage Area
We’re based in the Cypress 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 Cypress
Site walks and estimates in Cypress are typically scheduled within a week of your call. Permitting timelines depend on the city’s current review load and whether an HOA is involved, but we handle the submittal and follow-up for you. Call (472) 248-8213 and we’ll give you a realistic schedule for your specific lot.
If your Cypress home is in an HOA community like Cypress Village or Sorrento, yes – HOA approval is separate from the city permit and is required before construction. We prepare the drawings and documentation your HOA architecture committee will ask for, and we don’t start any work until both approvals are in hand.
Cypress’s clay-heavy soil means almost every detached ADU here gets a foundation designed for soil movement, whether that’s a thicker slab with proper reinforcement or piers depending on your lot’s soil report. Foundation work is included in the written price we give you, not added on afterward. Call (472) 248-8213 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 Cypress Customers Say
"Every crew member was vetted and carried a badge, which matters when they are around your family for months. Tidy site every day."
- Daniel F."Itemized estimate with allowances laid out. Final cost was within a hair of the quote."
- Naomi R."Backyard ADU for my mother. The project manager showed ID and walked me through the permit steps, the foundation plan, and the schedule. Moved her in on time."
- Margaret C.
