Begin Your Design

Your home doesn't exist yet.
Let's design it together.

Tell us about your vision and your land, and our team will follow up to start the conversation. Want a number first? Preview your design & engineering investment with the calculator below — it carries straight into your request.

What would you like to do?
Your Details
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Your Project
Services You're Interested In
Tell Us About Your Vision
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By sending this request you agree to be contacted by Old Stone Designs about your project. We never share your information.

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A member of our team will reach out within one business day to begin the conversation.
Preview Your Investment

Estimate your design & engineering fees

Enter your plan's dimensions to preview the range. Your figures attach automatically to the request above — final numbers are refined together during your consultation.

Plan Dimensions
Include Engineering Services
Estimated Range
$—
Enter your main floor size to preview your estimate.
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Transparent Pricing

Clear rates, grounded in the square foot

Design services are priced by your plan's square footage; construction and estimating services as a small percentage of project value. Here are the design & engineering rates the calculator uses.

Design & Engineering

Per Square Foot
  • Custom House Plans$1.75/sq ft
  • Basement Square Footage$1.10/sq ft
  • Upper Levels$1.10/sq ft
  • Structural Engineering$0.75/sq ft
  • Mechanical, Plumbing & Electrical$0.65/sq ft
  • Landscape Design$0.95/sq ft
  • 3D Live VisualizationsInquire

Pre-Construction & Project

Percentage of Value
  • Professional Estimating0.75%
  • Construction Management4%
  • Project Management1.5%
  • Scheduling0.25%
  • PermittingInquire
See the full rate card on the pricing page. All rates are subject to project scope.