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O'Neill Architects
Building Service Design Service, Residential (Interior Space Planner) Design Service,
About us
O'Neill Architects has been creating custom homes, additions, and commercial architecture in the D.C. suburban area since 1950. We are dedicated to providing high quality architectural work that serves the practical, aesthetic and economic needs of our clients.
Business highlights
75 years of experience
Amenities
Free Estimates
Yes
Reviews
5.02 Reviews
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Showing 1-2 of 2 reviews
Robert M.
Mar 2025
Building Service Design Service
Professional Building and Renovations works closely with Architect, Steve O'Neill, on all of our projects requiring building permits. Steve's many years of design knowledge and experience are an invaluable asset on our projects. We also work with Steve when completing structural repairs to homes that have been damaged by termites, see Journal of Light Construction April 2023 edition and article Repairing a Termite Damed House.
Response from O'Neill Architects
"Thank you for your positive feedback Rob. I hope to work with you again in the future."
Patricia M.
Sep 2007
Building Service Design Service
Mr. O'Neill has provided a plan for my new addition. He listened to everything I asked for and did a wonderful job. It has been a pleasure working with him. Patricia Melton,MD
Licensing
Insured
Licensed*
Trade License Number
7238
Trade License Locale
MD
Trade License Expiration
08/17/2026
State Contractor License Requirements
All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our Find Licensing Requirements page.
*Contact business to see additional licenses.
FAQ
O'Neill Architects is currently rated 5.0 overall out of 5.
Yes, O'Neill Architects offers free project estimates.
No, O'Neill Architects does not offer eco-friendly accreditations.
No, O'Neill Architects does not offer a senior discount.
No, O'Neill Architects does not offer emergency services.
No, O'Neill Architects does not offer warranties.