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Expert Architectural Design Services in Philadelphia
Landmark Architectural Design Architectural Design has built a reputation as a trusted leader in architectural innovation since our founding in Philadelphia. Our firm specializes in creating thoughtfully designed spaces that balance functionality, durability, and aesthetic excellence across residential, commercial, and religious projects. With licenses in Pennsylvania, New Jersey, and New York, we bring decades of collective experience to every endeavor, from single-family homes to large-scale multi-family developments. Our team of certified professionals, including Principal Architect Vincent Mancini and design expert Agata Reister, combines technical precision with creative vision to deliver solutions tailored to each client's unique needs.

We maintain rigorous attention to detail throughout the design and construction process, ensuring compliance with all regulatory requirements while preserving the integrity of our clients' visions. Through strategic use of modular construction techniques and advanced visualization tools, we streamline project timelines without compromising quality. Our commitment to excellence extends beyond individual projects to include community-focused design that enhances neighborhood character and creates lasting value. This dedication has earned us recognition as a preferred architectural partner for clients seeking reliable, forward-thinking design solutions.
Services
Architectural Design Zoning & Planning Construction Documents Interior Design Permit Procurement Structural Engineering Commercial Space Planning Residential Additions Multi-Family Development Historic Preservation
Highlights and features
  • We specialize in residential, commercial, and religious architectural design across three states
  • Our team includes licensed architects with expertise in zoning and construction documentation
  • We offer comprehensive services from initial concept to final permit acquisition
  • Our portfolio includes projects ranging from 500 sq ft to 20,000 sq ft spaces
  • We maintain active licenses in Pennsylvania, New Jersey, and New York
Services
Residential Architecture
Landmark Architectural Design creates custom residential designs ranging from single-family homes to townhome developments. Our approach balances aesthetic appeal with functional living spaces while maintaining neighborhood context. We specialize in both new construction and adaptive reuse projects that enhance property value through thoughtful design solutions tailored to each client's lifestyle needs.
Commercial Architecture
We design commercial spaces from 500 to 20,000 square feet including restaurants and retail stores. Our team handles adaptive reuse and new construction projects with expertise in zoning compliance and space optimization. Services include floor plan development, facade design, and coordination of mechanical systems to create functional business environments that support commercial success.
Zoning & Permitting
Our experts navigate zoning regulations and permitting processes across multiple jurisdictions. Services include zoning analysis, plan submission, and permit acquisition for residential and commercial projects. We maintain strong relationships with local authorities to expedite approvals while ensuring full compliance with building codes and land use requirements through detailed documentation and strategic planning.
Construction Documentation
We produce comprehensive construction documents for all project types including architectural, structural, and MEP drawings. Our detailed plans ensure accurate cost estimation and smooth construction administration. The process includes creating precise floor plans, elevations, and technical specifications that guide contractors while maintaining design integrity throughout the building process.
Interior Design
Our interior design services focus on optimizing interior layouts and finishes for residential and commercial spaces. We create functional, aesthetically pleasing environments through customized floor plans, material selection, and lighting design. The process includes 3D visualization tools to help clients visualize final outcomes before implementation while ensuring compliance with all applicable building standards.
People
Vincent Mancini
Principal Architect
Licensed architect with expertise in residential, commercial, and industrial design across Pennsylvania, New Jersey, and New York. Specializes in project development and client coordination.
Agata M. Reister
Architect in Charge of Design
Drexel University graduate responsible for design execution and production. Expert in construction documentation and code compliance with strong organizational capabilities for complex projects.
Felicia Diarra
CAD Designer
Philadelphia University graduate specializing in computer-aided design. Creates precise technical drawings and plan modifications that align with client requirements and Landmark Architectural Design's design standards.
Christopher Noble
Project Visualizer
Creative designer utilizing visualization tools to help clients see their projects come to life. Brings fresh perspectives to design challenges while supporting the firm's innovative approach.
Elke Vormfelde Combs
Residential Designer
Experienced residential designer with 30 years in the field and prior role at the Frank Lloyd Wright Foundation. Focuses on preserving architectural heritage while creating modern living spaces.
Questions
What architectural services does Landmark offer?
We provide full-service architectural design for residential, commercial, and religious projects including zoning analysis, construction documents, and permit acquisition.
In which states are you licensed to work?
Our architects hold active licenses in Pennsylvania, New Jersey, and New York for comprehensive service across the tri-state area.
What project sizes do you handle?
We work on projects ranging from small residential additions to large-scale developments up to 20,000 square feet commercial spaces.
How do you approach historic preservation?
Our team combines modern design principles with preservation expertise, maintaining architectural integrity while implementing contemporary improvements through adaptive reuse strategies.
Can you assist with zoning and permitting?
Yes, we provide complete zoning analysis, plan submission, and permit acquisition services with dedicated staff experienced in jurisdictional requirements.
What makes Landmark different from other firms?
We combine classical design principles with modern technology, maintaining a client-focused approach while delivering innovative solutions grounded in 30+ years of collective experience.