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Custom Architectural Solutions in Watertown
Hajian Architects is a full-service architectural firm dedicated to delivering exceptional client service through intelligent, context-sensitive design and meticulous attention to detail. With over 25 years of experience, our principals Paul and David Hajian lead a team of professionals specializing in residential, religious/educational, and commercial projects across New England. Our expertise extends to multiple-unit housing, zoning variances, accessory dwelling units, historic structure adaptations, and office renovations.

We leverage long-standing relationships with established consultants to provide comprehensive solutions tailored to diverse project needs. Registered in six states, our practice combines varied educational perspectives and a commitment to client collaboration, ensuring every project reflects both functional excellence and aesthetic vision.
Services
Residential Design Commercial Architecture Religious Institutions Historic Preservation Zoning Permits ADU Design Office Renovation Planning Studies Adaptive Reuse Educational Facilities
Highlights and features
  • We offer 25+ years of combined experience in architectural design
  • Our team combines MIT and RISD educational backgrounds for innovative solutions
  • We maintain long-standing relationships with trusted regional consultants
  • We specialize in complex zoning and historic preservation projects
  • Our practice is registered in six northeastern states for regional expertise
Services
Residential Design
We create custom single-family homes and manage residential renovations with a focus on client-specific needs. Our expertise includes historic additions, fire reconstruction, and adaptive reuse projects. With deep understanding of local zoning laws, we deliver functional, aesthetically pleasing spaces that enhance property value and livability across Massachusetts and New England.
Commercial Architecture
Our commercial projects range from retail spaces and restaurants to office renovations and adaptive reuse developments. We specialize in creating functional, code-compliant environments that balance aesthetic appeal with operational efficiency. Recent work includes mall storefronts, fine jewelry boutiques, and restaurant conversions in Boston metropolitan areas and beyond.
Historic Preservation
We preserve architectural heritage through careful restoration and adaptive reuse of historic structures. Our team handles complex projects involving iconic buildings like the Charlesgate Apartments and Sts. Vartanantz Church. We maintain historical integrity while implementing modern upgrades for improved functionality and energy efficiency in compliance with preservation standards.
Religious Institutions
We design and renovate synagogues, churches, and educational facilities with sensitivity to spiritual and community needs. Our portfolio includes mikvah construction, mechitza design, and educational wing expansions. We combine functional requirements with sacred space considerations to create meaningful environments for worship and learning across New England.
Planning Studies
We conduct comprehensive planning studies for educational institutions and community projects. Our services include zoning analysis, space planning, and design studies for school expansions. We help clients evaluate project viability through detailed assessments that consider regulatory requirements, budget constraints, and long-term operational needs across multiple northeastern states.
People
Paul Hajian
Principal Architect
Licensed architect with 25+ years of experience, MIT graduate specializing in residential and historic projects. Leads design teams and client relations at Hajian Architects.
David Hajian
Principal Architect
RISD-trained architect offering 25+ years of expertise in commercial and institutional projects. Manages technical aspects and consultant coordination for complex developments in New England.
Questions
What architectural services do you specialize in?
We specialize in residential design, commercial architecture, religious institutions, historic preservation, and planning studies across New England.
How long have you been practicing architecture?
Our principals have over 25 years of combined experience leading architectural projects in Massachusetts and surrounding states.
Do you work outside Massachusetts?
Yes, we're registered in six states including MA, RI, CT, NH, NY, and NM, serving clients throughout New England.
Can you handle historic building projects?
Yes, we specialize in historic preservation with experience restoring iconic structures while maintaining architectural integrity and compliance.
What makes your firm unique?
Our combination of MIT and RISD-trained perspectives, long-term consultant relationships, and regional expertise create distinctive architectural solutions.