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ADU construction

Illustrative after image

ADU construction

Illustrative after image

ADU construction

Add lasting living space with custom ADU construction

BldWrks Co builds durable ADUs, guest houses, and in-law suites with high-quality craftsmanship for homeowners across Saint Louis.

Free consultation included

Built to serve more of Saint Louis

Based in University City, BldWrks Co handles whole-home remodels and other construction work across the St. Louis region.

4+
project types
3
major service areas
2
client markets
What we offer

Remodeling and construction built to last

From whole-home remodels to commercial buildouts and specialized spaces, we deliver durable, functional construction shaped around how you live or work.

Kitchen remodel
Kitchen remodel

Create a kitchen that looks better, works harder, and fits daily life with smart layout and lasting finishes.

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Bathroom remodel
Bathroom remodel

Update your bathroom for comfort, easy use, and clean style with durable details built for daily wear.

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Cabinets
Cabinets

Add storage that looks sharp and helps each room stay organized, clean, and easy to use every day.

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Closet
Closet

Make better use of space with a closet layout that keeps storage simple, tidy, and built around your routine.

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Floors
Floors

Refresh your home with floors that hold up well, look polished, and support how your space gets used.

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Whole-home remodel
Whole-home remodel

Rework your full home with one clear plan that improves flow, function, and comfort from room to room.

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Home addition
Home addition

Add the space you need without leaving the home you love, with work that feels natural and built in.

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ADU construction
ADU construction

Build a flexible living space for family, guests, or rental use with durable work and a clear process.

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New Home Construction
New Home Construction

Build a new home around your lifestyle with quality craftsmanship, strong structure, and details made to last.

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Basement remodel
Basement remodel

Turn an underused basement into comfortable living space with finishes and layouts that support daily life.

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Garage conversion
Garage conversion

Convert your garage into useful living space with a plan that adds function, comfort, and long-term value.

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Not sure which service fits?

Tell us about your property, goals, and timeline. We will help you choose the right service for your project.

About ADU Builds

Versatile Living Spaces Built To Last

BldWrks Co builds accessory dwelling units for homeowners who need more living space on their property. From guest houses to in-law suites and garage conversions, we create durable, functional ADUs made for daily life and long-term use.

  • More Room At Home
    Add a private space for family, guests, or renters without leaving the property you already own and use every day.
  • Built For Daily Life
    Your ADU is shaped around how you live, with practical layouts that make the space easy to use now and later.
  • Durable Craftsmanship
    We focus on reliable construction and high-quality work, so your accessory dwelling unit stands up well over time.
  • Flexible Property Value
    An ADU can serve as an in-law suite, guest house, or garage conversion space that adapts as your needs change.
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What's Included

Built-Out ADU Spaces For Real Living

Get a full ADU construction project shaped to your property and goals. BldWrks Co builds accessory dwelling units with smart layouts, durable materials, reliable work, and a finished space made for guests, family, or rental use.

  • Custom ADU Build
    A new accessory dwelling unit planned around your lot, needs, and use. This can fit detached backyard units, guest houses, or in-law suite construction.
  • Full Project Scope
    A complete build from early planning through final construction. You get one clear path for your ADU construction project from start to finish.
  • Functional Layouts
    Compact living spaces designed to work well every day. Layouts support privacy, flow, storage, and comfort in smaller secondary living environments.
  • Durable Materials
    Quality materials picked for long-term use and strong performance. Your new unit is built to handle daily living and hold up over time.
  • Reliable Construction
    Steady, skilled building work focused on clean execution. This includes garage conversion contractor work and new ADU builds with careful attention to detail.
  • Finished Living Unit
    A completed space ready for real use on your property. It can serve as a rental space, guest house, or flexible living area.

Build the ADU You Need

Talk with BldWrks Co about your ADU, guest house, or in-law suite. We bring reliable, high-quality craftsmanship to homes across Saint Louis. Reach out today for a clear next step and a low-stress start.

Start your ADU project

Talk With Us About Your ADU Build

Planning an ADU, in-law suite, guest house, or garage conversion? BldWrks Co builds durable living spaces for owners across Saint Louis. Send us a note and we’ll follow up soon to talk about your goals, property, and next steps.

Hours of Operation

Mon-Fri: 9 AM - 5 PM
Sat-Sun: Closed

(636) 556-6445
7750 Maryland Ave, Unit 16854
Saint Louis, MO, 63105