What is the difference between a contractor and an architect?

Answered by Netanel Presman, General Contractor (CSLB #1105249) · Updated

Short answer

An architect designs the building and produces stamped drawings; a general contractor builds to those drawings. Architects are licensed by state architectural boards and carry professional liability insurance. General contractors are licensed by state contractor boards, carry general liability plus workers' comp, and manage subs and schedule. On larger residential remodels you typically need both.

In detail

The two roles are often conflated, but they're distinct professions with different licenses, insurance, and responsibilities:

Architect:

  • Licensed by a state architectural board (CAB in California, NYSED in New York, etc.) after completing a professional degree, internship (AXP), and passing the Architect Registration Examination (ARE).
  • Produces stamped drawings: site plan, floor plans, elevations, sections, details.
  • Coordinates structural, mechanical, electrical, and plumbing consultants.
  • Carries professional liability (errors and omissions) insurance.
  • Typical fee: 8-15% of construction cost for full service, or hourly for limited engagement.

General contractor:

  • Licensed by the state contractor board (CSLB B or B-2 in California, L&I in Washington, CCB in Oregon). Texas does not license general residential contractors.
  • Builds to the architect's drawings; manages subs, materials, schedule, inspections.
  • Carries general liability and workers' compensation insurance.
  • Typical fee structure: cost-plus-markup (10-25%) or lump-sum fixed-price.

Design-build firms combine both roles under one contract. The design-build firm either employs an in-house architect or partners with a licensed architect on staff. One accountable party, fewer finger-pointing moments when field conditions don't match drawings.

When do you need an architect:

  • New construction or second-story additions (structural engineer also required).
  • Any work that requires stamped drawings for permit submittal (varies by jurisdiction and project size).
  • Historic district or landmarks review.
  • Custom work where design expression matters.

When you can skip the architect:

  • Like-for-like replacements.
  • Small interior remodels that fit within the contractor's in-house draftsperson capability.
  • Projects under a valuation threshold where the building department accepts contractor-prepared drawings.

AskBaily's scoping identifies whether your project requires stamped architectural drawings, and our design-build partners include design fees in the scoped quote.

Sources

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