A Sutton company - serving Houston, TX
A new rear addition with a vaulted beamed ceiling and tall windows
Home Addition Contractor · Cinco Ranch, TX

Home Addition Contractor in Cinco Ranch - Design, Permits and Build Under One Contract

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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A second-story addition that matches the existing roofline
A second-story addition with a balcony, matched to the original house
A new two-story ADU over a garage
A compact kitchen inside a new ADU
A new modern ADU with wood cladding
The bedroom inside a new ADU
The bathroom inside a new ADU
A small deck outside a new ADU
Every project starts with

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

Get your free estimate

Fast, Reliable Home Addition Contractor Across Cinco Ranch

Adding square footage in Cinco Ranch means navigating three layers of rules: the HOA architectural review committee, Fort Bend County wind-load code, and your own lot’s setback constraints. We handle all three. Sutton ADU Houston has been building home additions since 2006, and our crews know the Willow Fork, Westridge Creek, and LaCenterra-area subdivisions well enough to flag permitting issues before they become stop-work orders. If you’re considering a Home Addition Contractor who actually understands Cinco Ranch’s master-planned community requirements, call (940) 242-3207 for a free estimate.

Call (940) 242-3207

Why Sutton ADU Houston Is Cinco Ranch’s Preferred Home Addition Contractor Company

A single-story rear room addition with tall windows and a new patio

Most Cinco Ranch homeowners call us after their first quote from a general contractor who never mentioned HOA architectural review. That’s the dividing line. Our team has worked in enough Cinco Ranch subdivisions to know that a garage conversion on a zero-lot-line lot in Westridge Creek needs a different permitting path than a room addition in a portion of Cinco Ranch with standard setbacks. We coordinate HOA approval, city permitting, and Fort Bend County inspections as one sequence, not three separate surprises.

Sutton is the ADU-specialist member of the Threshold Group family. Every technician we send to a Cinco Ranch job site is background-checked, identity-verified, uniformed, and photo-badged. Before anyone arrives, you get their name and photo. That matters when you’re letting a crew into your home for a six-week build.

We put our guarantee in writing. The 365-Day Done Right Promise covers defects in workmanship for one full calendar year from project completion. If an element fails, we return for a second visit at no charge. No haggling. That promise applies to every home addition we build in Cinco Ranch.

Bathroom Addition Contractor in Cinco Ranch

A Bathroom Addition Contractor in Cinco Ranch typically handles projects ranging from a 40-square-foot powder room off a hallway to a full primary-suite bath with walk-in shower and freestanding tub. In Cinco Ranch, most bathroom additions run from $45,000 to $110,000 depending on whether we’re extending an existing footprint or converting interior space like a closet or alcove. The HOA architectural review process matters here because any exterior wall change, even a window added for a new bathroom, triggers design committee review.

Plumbing and Slab Work

Cinco Ranch homes built in the 1990s and 2000s sit on post-tension concrete slabs. Tying new drain lines into a post-tension slab requires careful mapping of cable locations before any cutting begins. Our crews do this routinely, and we pull the plumbing permit as part of the job. In many Cinco Ranch subdivisions, the HOA wants to see that any new vent stacks or exterior plumbing penetrations are screened from street view.

Moisture Management in a Gulf Coast Climate

Bathrooms added to Cinco Ranch homes live in a humid climate. That means proper exhaust fan sizing rated for the room’s square footage, backer board rather than drywall behind tile, and waterproof membrane systems that will not fail after three summers of 90-degree humidity. A compliant bathroom addition quote includes these line items. A cheap one skips them and the grout cracks within a year.

Bedroom Addition Contractor in Cinco Ranch

A new sunroom addition with three walls of windows

A Bedroom Addition Contractor in Cinco Ranch builds spaces that typically add 150 to 350 square feet. The cost in Cinco Ranch for a bedroom addition runs from $65,000 to $160,000, with the higher end reflecting walk-in closets, en-suite baths, or tray ceilings that match existing architectural styling. Most Cinco Ranch HOA design guidelines require the roof pitch and exterior materials on any addition to match the original structure, which is a cost driver our quotes account for up front.

Egress and Code Requirements

Every bedroom addition in Cinco Ranch must include an emergency egress window sized correctly for the room’s square footage, even if it’s not required by the HOA. Fort Bend County inspectors check this on the final walkthrough. Also, HVAC systems sized for the original square footage often need a supplemental duct run or a mini-split added, which is another line item we include in a written price before work starts.

Working Within Setback Constraints

Several Cinco Ranch subdivisions were platted with five-foot side yard setbacks on some lots. That may not sound tight until you try to add a bedroom on the side of an existing brick home. In those cases, we regularly design additions that extend toward the rear of the lot or build upward as a second story above existing living space rather than outward. It is a planning decision we discuss during the estimate, not a surprise we discover mid-project.

Trusted Brands We Service in Cinco Ranch

We work with James Hardie exterior systems for additions that need to match existing fiber cement siding or replace brick veneer after a demo. For detached structures where the HOA permits them, we’ve installed Boxabl panelized units and Plant Prefab modules. We also convert Tuff Shed structures into finished ADUs where Cinco Ranch deed restrictions allow accessory buildings. Because we stock James Hardie trim, flashing, and siding components locally, Cinco Ranch customers are not waiting on backordered materials from out of state.

Common Home Addition Contractor Problems We See in Cinco Ranch Homes

  • Skipping HOA architectural review. In Cinco Ranch, the HOA can issue stop-work orders and fines if a home addition starts without design committee approval. We have seen homeowners pay thousands in fines because a contractor told them the city permit was the only thing that mattered.
  • Non-hurricane-rated framing in garage conversions. Fort Bend County wind-load requirements apply to habitable space, not just car storage. Flat ceiling joists and a roof with no hurricane strapping will fail inspection on a garage-to-bedroom conversion.
  • Undocumented windstorm compliance. A home addition that meets wind-load code but has no documentation leaves the homeowner unable to prove rated construction when filing a hurricane insurance claim after the next storm.
  • Post-tension slab damage during plumbing work. Cutting into a post-tension slab without cable mapping is a serious structural mistake. It happens with contractors who do not scan slabs before cutting, and repairs are expensive.

Pricing for Home Addition Contractor in Cinco Ranch, TX

Home addition costs in Cinco Ranch run higher than the Houston metro average because of HOA architectural review and Fort Bend County wind-load compliance. A bathroom addition typically runs $45,000 to $110,000. A bedroom addition runs $65,000 to $160,000. A garage conversion to finished living space runs $55,000 to $95,000 depending on HVAC and electrical scope. A detached ADU, where the HOA allows one, runs $180,000 to $320,000 before site work. A compliant quote includes HOA application fees, windstorm engineering, hurricane strapping, and permit costs. A cheap quote leaves those out and bills them as change orders later. Call (940) 242-3207 for a written line-item price before any work begins.

We Also Serve Cities Near Cinco Ranch

Our crews serve Cinco Ranch homeowners plus those in nearby Houston, The Woodlands, Pearland, and Humble. If you live just outside Cinco Ranch proper, the permitting and HOA requirements may differ, but the same Sutton standard applies: a written price before work starts and a 365-Day Done Right Promise in writing.

Serving Cinco Ranch, TX - Our Local Coverage Area

We’re based in the Cinco Ranch 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 Home Addition Contractor in Cinco Ranch

Why Cinco Ranch Chooses Sutton ADU Houston

We set the standard for home addition contractor in Cinco Ranch.

No Change-Order Surprises

The written quote you sign is the price you pay. Anything we find mid-job gets priced and approved by you in writing before we touch it.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in Cinco Ranch

Getting your home addition contractor handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your home addition contractor needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Cinco Ranch - 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.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local home addition contractor 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 Cinco Ranch Customers Say

Trusted by homeowners across Cinco Ranch and surrounding areas.

★★★★★

"Itemized estimate with allowances laid out. Final cost was within a hair of the quote."

Naomi R. · Verified customer
★★★★★

"Insulated the walls and ceiling properly. It stays comfortable even in July."

Tamika W. · Verified customer
★★★★★

"Good quality build. One delay on cabinets, but they gave a realistic new date and kept to it."

Gordon B. · Verified customer

More ADU services in Cinco Ranch

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

Getting started with Sutton in Houston

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.

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A building crew carrying lumber to a backyard ADU site

Your Houston team

A local crew that works across Houston and the towns around it, to the same written standard as every Sutton 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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(940) 242-3207

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