Home Remodeling
Permit-Ready Remodeling Design & Engineering for California Homes
From layout reconfiguration and interior planning to structural engineering and permit submittal—we provide complete remodeling design solutions for safe, compliant, and buildable renovations.

Our Stats
California Trusted Architectural & Structural Engineering
Years of Experience
Projects Delivered
Permit Approval Rate
Professional Team Members
Cecilia Home provides licensed architectural and structural engineering services for ADUs, additions, remodeling, wall removals, and permit-ready plans. We make the process simple, clear, and stress-free.
With 20+ years of experience, 2,000+ completed projects, and a 95% approval rate, our California-registered engineers deliver accurate, code-compliant designs trusted by homeowners statewide.
Trust & Collaboration
Remodeling Plans Approved Across California Cities
Our remodeling plans meet California code requirements and pass city review efficiently. From wall removal to layout redesign, our clear drawings help reduce corrections and keep your project moving.






All Featured Projects Are Real, City-Approved Plans
Why You Need This
What You Need to Know Before Remodeling
Successful remodeling requires careful planning, compliant engineering, and clear documentation to avoid costly construction mistakes.
Common Remodeling Challenges
- Hidden structural issues behind wallsRemodeling often exposes undersized beams, damaged framing, or outdated wiring.
- Permits required for layout changesRemoving or relocating walls, plumbing, or electrical requires city review.
- Unexpected costs from unclear plansContractors need detailed drawings to avoid budget overruns and change orders.
Benefits of Professional Remodeling Plans
- Accurate scope and cost controlPrecise plans prevent bidding confusion and construction mistakes.
- Safer and compliant constructionStructural reinforcement, MEP upgrades, and Title 24 compliance included.
- Streamlined permit approvalWell-prepared drawings reduce city corrections and project delays.
Why Choose Cecilia Home
- Architectural + structural remodel specialistsWe combine design, engineering, and permit expertise in one team.
- Experience with kitchens, bathrooms, and full-home remodelsThousands of completed projects across CA cities.
- Clear 3D layouts and construction diagramsHomeowners and contractors understand the design with no guesswork.
Our Features
Why Choose Cecilia Home?
Licensed, experienced, and trusted across California—we deliver precise designs, clear communication, and reliable results for every project.
PROFESSIONAL EXPERTISE
Licensed architects and engineers with deep knowledge of California codes, ensuring accurate, compliant, and build-ready designs.
CLIENT-CENTERED APPROACH
Clear communication and personalized guidance at every step, ensuring your vision stays at the center of the project.
COMPREHENSIVE SOLUTIONS
From design to permit approval, we provide complete, end-to-end services that save you time and streamline your project.
QUALITY ASSURANCE
All plans meet California building standards, with rigorous checks to ensure safety, accuracy, and long-term performance.
FAST & EFFICIENT DELIVERY
Our optimized design workflow allows us to deliver complete, permit-ready plans in as fast as 7 days—without compromising quality.
LOCAL EXPERIENCE
Expert understanding of California’s building styles, climate needs, and local city requirements for successful permits.
Remodeling Design
Home Remodeling Architecture & Engineering
California-compliant remodeling drawings designed for safety, structural accuracy, and smooth permit approval.

Bathroom Remodeling
Modernize your bath with optimized layouts, plumbing updates, and luxury finishes designed for comfort.

Kitchen Renovation
Open-concept kitchen designs with load-bearing wall removal and structural support for a seamless flow.

Bedroom & Suite Additions
Expand your living quarters with master suite additions and bedroom reconfigurations engineered for your home.

Living Room & Open Layouts
Create spacious, connected living areas by removing walls and re-engineering your floor plan.
Our Process
Our Process
Our process is designed to be transparent and efficient, delivering a complete one-stop service from design to final permit approval.
Guidance for your project
Free Consultation
Expert advice on your project needs, budget considerations, and permit requirements.
On-Site Assessment
Precise measurements and site evaluation for accurate project planning.
Design Development
Creating detailed plans and visualizations to bring your vision alive.
Permit Acquisition
Navigating complex approval processes to ensure code-compliant construction.
Construction Support
Ongoing guidance and contractor coordination throughout the building process.
Client Testimonials
Trusted by California Homeowners
Ranked #1 on Thumbtack based on verified reviews from homeowners who relied on our architectural and structural engineering services.
Cecilia Home designed our complete home renovation, explained everything clearly, and delivered detailed plans. Honest, professional, and fairly priced—our HOA now knows exactly how to proceed.
View Verified ReviewTrudy M.
Home Remodeling
Mason delivered exactly what I needed—professional, responsive, and great value. Clear communication throughout the process. I'll rely on him for all future remodeling projects.
View Verified ReviewJoanne D.
Home Remodeling
Mason responded instantly and offered honest guidance on whether my garage conversion would pass city review. Knowledgeable, direct, and trustworthy—I look forward to working with them again.
View Verified ReviewJasper T.
ADU Design
I appreciated their honesty. They explained that my foundation cracks were common in the Bay Area and didn't push unnecessary work. Professional, transparent advice I could trust.
View Verified ReviewArturo S.
Structural Engineering
As a general contractor, I value teams who are responsive and accurate. Cecilia Home delivered clear communication, timely plans, and over-the-counter approval. I highly recommend them.
View Verified ReviewKevin V.
Building Permit Services
Mason gave detailed structural guidance for removing our load-bearing wall, including safety considerations. Quick responses and practical advice that helped us comply with local regulations.
View Verified ReviewJackson B.
Wall Removal
FAQ
Frequently Asked Questions
Find answers to common questions about home remodeling design, engineering, and permitting.
Most remodeling projects that involve structural changes, wall removal, layout reconfiguration, electrical, plumbing, or mechanical updates require a permit. We provide complete permit-ready plans for submission.
Yes. We perform structural analysis and provide engineered beam sizing, framing reinforcement, and all structural drawings needed for safe wall removal.
Initial concepts are typically ready within 5–7 days. Full architectural and structural remodeling plans take about 2–3 weeks depending on the project scope.
Yes. We prepare all required drawings and documents and submit your remodeling plans to your city. We also respond to correction notices until approval.
Structural engineering is required if you're removing walls, modifying framing, opening ceilings, adding new loads, or altering the structure. Our licensed engineers provide all required calculations and structural sheets.
Yes. We design remodeling projects statewide and are familiar with the review standards of cities across California.