Established in 2018, ArchDomus Home Design is a family-owned residential design firm based in Shelton, Connecticut. Founded by Lucas Lage and his wife, the company specializes in creating thoughtful, functional, and high-quality residential designs for clients throughout Fairfield County and beyond.
Led by designer Lucas Lage, our team approaches each project with meticulous attention to detail. From home additions and renovations to custom new construction, we blend timeless architectural principles with modern, practical solutions to create homes that exceed expectations while remaining efficient and buildable.
At ArchDomus, we prioritize close collaboration with our clients, ensuring that every aspect of the design aligns with their lifestyle, goals, and budget. We work closely with contractors, builders, structural engineers, and surveyors to deliver permit-ready drawings and construction-ready plans that help projects move smoothly from concept to completion.


Founder & Lead Designer
Lucas founded ArchDomus in 2018 with a vision to deliver thoughtful, high-quality residential designs. He approaches each project with meticulous attention to detail, blending timeless architectural principles with modern, practical solutions to create homes that exceed expectations while remaining efficient and buildable.

Permit Expeditor
Mari plays a key role at ArchDomus, managing the permit process from start to finish. She coordinates directly with local building departments to ensure submissions are accurate, complete, and processed as efficiently as possible. Her expertise in building permits, variances, and documentation helps streamline approvals and keeps projects moving forward without delays.
Every line, dimension, and detail in our drawings is meticulously verified. Our construction documents give builders the clarity they need to execute without guesswork.
We understand that time is money in construction. Our streamlined process delivers permit-ready plans quickly, keeping your project timeline on track.
No hidden fees or surprise charges. We provide clear, upfront pricing so you can plan your project budget with confidence from the start.
With over 100 homes completed in Fairfield County, we know the local building codes, zoning requirements, and architectural styles inside and out.
We work alongside trusted structural engineers, land surveyors, and a vetted network of contractors to ensure every aspect of your project is covered.
We serve our diverse community in English, Portuguese, and Spanish, ensuring clear communication throughout your entire project.

We do not work in isolation. ArchDomus has built strong relationships with the professionals who make residential construction projects successful in Fairfield County.
We coordinate directly with licensed structural engineers to ensure your addition or new build meets all safety requirements.
Our surveyor partners provide accurate property surveys that form the foundation of precise site plans.
A trusted network of local contractors who rely on our drawings and can bring your project to life.
Whether you are a homeowner with a renovation idea or a contractor who needs reliable drafting support, we are here to help.
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