Our Firm

Combining ART with the SCIENCE of building design is the essence of our partnership.  L’ARC Architects was founded in 1998, bringing together two architects with diverse design backgrounds.

Licensed in CT, RI, ME

Our Team

Hilary W. Donald 

30 years professional practice of Architecture


  • Bachelor of Architecture – Tulane University; New Orleans, LA
  • Master of Architecture – Tulane University; New Orleans, LA


  • Chair, Historic District Commission, Farmington, CT
  • Commissioner, Plan and Zoning Commission, Farmington, CT
  • Garden Club, Farmington, CT
  • Barney Library Building and Interiors Committee, Farmington, CT
  • Farmington High School Building Committee, Farmington, CT

Sheldon B Crosby

40 years professional practice of Architecture


  • Bachelor of Science – Trinity College; Hartford, CT
  • Master of Architecture – University of Washington; Seattle, WA
  • MBA Tuck School of Business – Dartmouth College; Hanover, NH


  • Design Review and Advisory Board, West Hartford, CT
  • Architectural Review Design Committee, Farmington, CT

Our Services

Together with you and our team of consultants, our firm provides services from the earliest point of project conception through construction and occupancy.

Architecture and Interior Design

  • Pre-Design
    • Site evaluation, survey
    • Programming
    • Zoning study
    • Code study
    • Feasibility study
    • Scheduling
    • Team Assembly – owner, architect, consultants, builder
  • Schematic Design
    • Site design
    • 2D & 3D Concept planning
    • Team meetings
    • Cost evaluation
    • Project scope evaluation
    • Code review
    • Zoning approvals
  • Design Development
    • Site development
    • Design refinement- sizing, space planning
    • Furniture and Equipment layout
    • Material selections
    • Systems development – structural, heating and cooling, energy
    • Construction assemblies – walls, roofs, fenestration
    • Team meetings
    • Cost evaluation


  • Construction documents
    • Construction details
    • Millwork and finish details
    • Code Compliance (Building, Fire, ADA, Energy, Health, Zoning), Material specifications, schedules
    • FFE plans and schedules
    • Engineering plans and Details
    • Team meetings
    • Cost evaluation
  • Construction Administration
    • Permitting 
    • Bidding 
    • Value Engineering
    • Construction Monitoring
    • Project meetings
    • Shop drawing review
    • Requisition approvals
    • Punch lists
  • Consultants
    • Surveyor
    • Civil Engineer
    • Structural Engineer
    • MEP Engineers
    • Lighting and sound
    • Food Service
    • Geotechnical