Architectural Drafting & Engineering Services

Need permit-ready plans for an ADU, home addition, remodel, garage conversion, or new home?

Mainstream Drafting provides architectural drafting, structural engineering, and permit-ready construction drawings for homeowners, contractors, builders, and developers throughout California.

📩 Get a Free, Fixed-Price Quote in 24 Hours
Send us a quick text or email with your project details. Our team will review it and get back to you within 24 hours with a proposal.

Why Clients Choose Us:

🔶 Best Price Guarantee – We beat any comparable written quote.

🔶 Full-Scale In-House Team – You get a dedicated team of experienced drafters and licensed structural engineers working together on your project. No outsourcing, no communication gaps, and faster permit approvals.

🔶 One-Stop Solution – Architectural Drafting, Structural Engineering, MEP, and Permit Drawings all in one place.

🔶 Permit-Ready Plans & 3D Modeling – Complete construction drawings, 3D models, and photorealistic renderings.

🔶 Licensed Engineers & Engineering Stamps Available – Fully compliant with state and local building requirements.

🔶 Fast Turnaround – Many projects can begin within 24 hours of approval.

🔶 Fixed Pricing – No hourly surprises. Revisions included.

🔶 Same-Day Project Review – Quick response and professional guidance from the start.

⭐ 400+ Residential & Commercial Projects Successfully Completed Throughout California ⭐

📞 Call or Text: (619) 637-7657

Residential Projects

• ADU Conversions & JADUs
• Home Additions & Remodels
• Garage Conversions
• Custom New Homes

Commercial Projects

• Office Spaces & Mixed-Use Buildings
• Tenant Improvements
• Restaurants & Retail Build-Outs

Construction Drawings

• Site & Floor Plans
• Elevations & Roof Plans
• Foundation & Framing Plans

Engineering & Visuals

• Structural Engineering & Engineering Stamps
• MEP Drawings (Mechanical, Electrical, Plumbing)
• 3D Modeling & Photorealistic Renderings

Ready to Get Started?

We will review your project at no cost and provide a fixed-price proposal within 24 hours. Simply text, call, or email us with:

1. Project Address

2. Rough Sketch

3. Dimensions

📞 Call or Text: (619) 637-7657

🌐 www.MainstreamDrafting.com




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