Business Details
36 Years
experience
Trusted Architects in Washington, D.C.
DeLizzio Seligson Architects brings over 25 years of experience and more than 600 completed projects across the Washington Metropolitan Area. Founded in 1990, our firm specializes in architectural design for residential, religious, educational, community, commercial, and historical projects. Our team combines over 50 years of collective expertise to deliver full-service solutions, including architectural, structural, mechanical, plumbing, and electrical engineering. We prioritize personalized client service, ensuring each project aligns with the client's vision while adhering to budget and quality standards. Our principals personally oversee every project, offering direct engagement from concept to completion. Licensed in Maryland, Virginia, and Washington, D.C., we serve private homeowners, religious institutions, educational entities, and nonprofit organizations.Our approach emphasizes listening to client needs, integrating creative design with practical functionality, and fostering long-term relationships. We assist with contractor negotiations, construction management, and compliance with governing agencies, streamlining the building process. Our portfolio includes historic renovations, master planning, feasibility studies, and interior design, reflecting our commitment to environmental and community improvement. Recognized with awards from the American Institute of Architects and featured in publications, we remain dedicated to ethical practices and excellence in architectural service.
Services
Architectural Design
Historic Restoration
Interior Design
Master Planning
Construction Management
Feasibility Studies
Fundraising Support
Religious Architecture
Educational Facilities
Community Projects
Details
- Year established: 1990
Highlights and features
- We offer 25+ years of experience with 600+ successfully completed projects.
- Our principals personally oversee every project from concept to completion.
- We provide full-service architectural and engineering solutions under one roof.
- Our team holds licenses in Maryland, Virginia, and Washington, D.C.
- We specialize in historic preservation and complex institutional projects.
What people say
Most responsive, professional firm
Designed beautiful Italian villa
Superior experience in every way
Patient, creative, and sensitive
Stunning transformation of school
Services
Architectural Design
We create custom architectural designs for residential, religious, educational, and commercial projects. Our process begins with understanding client needs and evolves into detailed plans that balance aesthetics, functionality, and budget. With expertise in both modern and traditional styles, we ensure each structure meets regulatory standards while reflecting the client's vision.
Historic Restoration
Our team specializes in restoring historical buildings while maintaining their original character. We handle renovations, additions, and interior updates, working closely with preservation boards to ensure compliance. Projects include adapting historic structures for modern use without compromising architectural integrity or cultural significance.
Interior Design
We design functional and aesthetically pleasing interiors for residential, commercial, and institutional spaces. Our services include layout optimization, material selection, and custom furnishings. By integrating architectural elements with artistic details, we create environments that enhance usability and visual appeal for diverse client needs.
Master Planning
We develop comprehensive master plans for estates, campuses, and public spaces. Our approach considers long-term growth, zoning regulations, and environmental impact to create sustainable layouts. Services include site analysis, phasing strategies, and coordination with local agencies to ensure feasible, future-ready designs.
Construction Management
We manage construction projects from start to finish, ensuring adherence to timelines, budgets, and quality standards. Our services include contractor selection, contract negotiations, and on-site supervision. By maintaining clear communication between all parties, we minimize delays and ensure successful project delivery.
People
Dennis DeLizzio
President
Dennis DeLizzio, licensed since 1976, has led DeLizzio Seligson Architects since 1990. With over 500 institutional and residential projects, he specializes in religious and educational architecture. He serves on the Archdiocese of Washington Sacred Arts Committee and has lectured at The Catholic University of America.
Barbara Seligson
Vice President
Barbara Seligson, a licensed architect and artist, has collaborated with Mr. DeLizzio for 25+ years. Her expertise includes community projects, historic preservation, and educational facilities. She has taught architecture at multiple universities and received awards for her design and artistic contributions.
Questions
What architectural services do you offer?
We provide full architectural design, historic restoration, interior design, master planning, and construction management for residential, religious, educational, and institutional projects.
Do you work on historic buildings?
Yes, we specialize in historic preservation, including renovations, additions, and interior updates while maintaining original design integrity and compliance with preservation standards.
How do you handle client collaboration?
We prioritize listening to client needs, offering personalized service with direct involvement from our principals throughout the project lifecycle.
Are you licensed in multiple states?
We are licensed in Maryland, Virginia, and Washington, D.C., with reciprocity options available in all 54 U.S. jurisdictions.
Can you assist with fundraising for projects?
Yes, we create marketing materials and photo-realistic renderings to help clients communicate their vision to donors and secure funding.
What construction management services do you provide?
We oversee contractor negotiations, project phasing, budgeting, and on-site administration to ensure timely, budget-compliant project delivery.
