Bring Your Project to Life with Streamline Design & Permitting
Turn your ideas into code-compliant, permit-ready plans with our expert drafting team. Schedule a consultation today and see how we can help.
Residential & Commercial Drafting Services in Orange County
At Streamline Design & Permitting, we bring your ADU, home remodel, addition, or commercial project to life with code-compliant drafting and building permit services that fast-track approvals across Orange County.
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Explore Our Drafting Portfolio
Browse our permit-ready plans for various projects made by our drafting specialists.
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See How We’ve Helped Others
See why property owners throughout Orange County and beyond rely on our drafting and permitting expertise for their projects.
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About
Your Local Drafting and Permit Specialists
Streamline Design & Permitting delivers complete drafting services for homeowners, developers, and businesses throughout Orange County, California. Our detailed, code-compliant plans help you secure building permits faster and keep your project on schedule — without unexpected and frustrating setbacks.
Our skilled team of designers provides advanced 3D CAD drafting, allowing you to preview your design before construction begins. After your plans are approved, we’ll connect you with trusted local builders to bring your vision to life seamlessly.
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Our Services
From ADUs to Commercial Projects: Our Drafting Services
We handle projects of all sizes and levels of complication, ensuring each plan complies with Orange County building and zoning standards.
Accessory Dwelling Units (ADUs)
Plans for detached units, garage conversions, basement apartments, and additions — meeting California state law and Orange County zoning codes.
Home Remodeling
Detailed drawings for open layouts and major upgrades guarantee a smooth permitting and construction process.
Room Additions
Seamless expansions, including bedrooms and second stories, with cost projections and permit preparation.
Custom Home Design
From luxury estates to efficient cottages, we produce detailed construction drawings for flawless execution.
Commercial Tenant Improvements
Precise layouts for office, retail, and medical spaces, all compliant with the California Building Code (CBC).
Code Compliance
Updates and reviews of as-built drawings to meet Orange County Building Division requirements.
Building Permit Assistance
From submittals to agency coordination, we streamline the approval process.
ADU Regulations & Requirements in Orange County
Orange County adheres to California ADU laws (Cal. Gov. Code §65852.2) and local building standards. Key points include:
- Permitted locations: ADUs and Junior ADUs (JADUs) may be built on lots with existing single- or multi-family homes per the Orange County Zoning Code.
- Quantity allowed: Single-family lots can include one ADU and one JADU; multi-family parcels may add two detached ADUs plus conversions of existing spaces.
- Size limits: Detached ADUs up to 1,200 sq. ft.; attached ADUs limited to 50 percent of the main home’s size or 1,200 sq. ft., whichever is smaller.
- Setbacks: Minimum 4 ft from side and rear property lines (Orange County Zoning Ordinance §7-9-150).
- Parking: One space per unit, unless within 0.5 miles of public transit or meeting state exemptions (HCD Guidelines).
- Building standards: Compliance with the California Building Code and Title 24 Energy Standards; new detached units must meet solar-readiness requirements.
Transform Ideas into Tangible Plans
Work with our Orange County drafting experts for seamless, permit-ready designs.
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Process
How Our Building Designers Streamline Your Project
We make drafting and permitting simple:
- 01
Consultation & Planning
Align your goals with a functional design plan.
- 02
Design Development
Deliver accurate, code-compliant drafts.
- 03
Specialist Collaboration
Work with engineers and surveyors to refine plans.
- 04
Permit Preparation
Handle submittals to the Orange County Building Division.
- 05
Project Finalization
Deliver approved, construction-ready plans.
Why Us
Why Clients Choose Streamline Design & Permitting
Code Expertise
Creative, compliant solutions for even the most challenging properties.
Proven Track Record
Dozens of approved permits and successful builds.
Local Knowledge
In-depth understanding of Orange County codes and zoning.
Reliable Delivery
On-time results with proactive communication.
Transparent Pricing
Drafting services typically run 3–4 percent of your total project cost.
Contact Us
Request Your Free Project Review
Our experts create code-compliant drafting plans that simplify approvals and move your Orange County project forward with confidence.
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FAQ
FAQ Regarding Drafting Services in Orange County
- 01
How much do drafting services cost in Orange County?
Most projects cost about 3–4 percent of the overall construction budget, and we always provide clear estimates before we begin.
- 02
What projects don’t require a permit in California?
You can complete minor, non-structural work like painting, cabinet refacing, faucet swaps, or fences up to 6 feet without a permit. See Orange County’s permit guide for details.
- 03
What do drafting services include?
Drafting services provide detailed plans showing layouts, measurements, and specifications needed for permits and construction, helping homeowners and officials align on every aspect of the project.