24+ years in operation
Established in 2002. Coastline has delivered projects across Southern California through changing markets, codes, and expectations.
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Coastline Custom Homes
Design-Build Custom Homes
One accountable team from early design through construction — fewer handoffs, clearer cost feedback, stronger field execution.
Service Overview
What this service includes
Design-build keeps design intent connected to constructability and budget from day one.
Coastline coordinates design partners and construction under one GC so drawings, pricing, and field work stay aligned.
Site constraints, coastal or hillside conditions, and owner priorities are surfaced early — before they become expensive change orders.
Choose design-build when you want fewer vendors and a single point of responsibility through completion.
- Typical project size
- $1M – $5M+
- Typical duration
- 12 – 24 months
- Permit requirements
- Yes
Why Coastline
Why homeowners choose Coastline
Professional project management
Dedicated project managers, structured communication, and clear milestones from evaluation through completion.
Licensed & insured
California General Contractor License #813394. Fully licensed, bonded, and insured for your protection.
Documented process
Clear digital communication and documented milestones — without replacing the human relationship at the center of every build.
Our Process
From evaluation to completion
Evaluation
We review your project scope, site conditions, and goals before scheduling a site visit.
Planning
Design coordination, permits, selections, and a detailed scope aligned to your vision.
Pre-construction
Scheduling, site protection, material procurement, and mobilization before work begins.
Construction
Managed build with regular updates, inspections, and a dedicated project manager.
Completion
Final walkthrough, punch list resolution, and project handoff.
Project Gallery
Design-Build Custom Homes in progress and completed
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Before & After
The transformation
Project Video
See the work
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FAQ
Frequently asked questions
In design-build, construction leadership is involved during design so cost, sequencing, and site logistics inform the drawings. You can still have strong design authorship — with fewer late surprises.
Yes. Permittable drawings and specifications are produced; the difference is how tightly they are coordinated with the builder.
As early as site selection or concept. Earlier GC involvement usually improves budget accuracy.
Permits
Common permit information
Permit requirements for design-build custom homes vary by scope and jurisdiction. Coastline identifies requirements during evaluation. Typical permit level: Yes.
Permit assessment
We review your project scope against local building department requirements before construction begins.
Documentation & submission
Coastline prepares and submits permit applications and schedules required inspections.
Licensed execution
All work performed under California General Contractor License #813394.
Related Projects
Design-Build Custom Homes projects
Custom Home
Malibu Custom Home
Malibu
Whole Home
Laguna Beach Whole Home
Laguna Beach
Service Areas
Southern California
Coastline serves homeowners across Southern California counties.
Smart Project Evaluation
Smart Project Evaluation
Share photos, plans, or a description of your project. A Coastline project manager reviews your submission and responds within one business day — no obligation.
Begin with a project evaluation
No obligation. Share your project details and a Coastline project manager will respond within one business day.
Request a Project EvaluationOr Contact Coastline · License #813394