SP Drafting is a design firm based out of Southern California.  Specializing in Construction documents, Title 24 Energy Calculations, Truss calculations and Structural Calculations, Civil Engineering, Solar Plans, New Construction, Room Additions, Tenant Improvement plans, Pool Plan and much more. Please call us to discuss your project 909-330-3550

Email: rob@spdrafting.com


8659 Red Oak St. #I

Rancho Cucamonga, Ca 91730