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Attached ADU
A secondary home connected to or created within the primary residence.
- Uses or extends existing space
- Closer connection to the main home
- Ideal for multigenerational living
Pacent Design X Build · Seattle Area
Seattle ADU Contractor & DADU Builder
Property review, design, permitting and construction—coordinated by one team.
- Site feasibility
- Design & selections
- Permit coordination
- Construction
One property. More possibility.
Create flexible space for family, guests, work or rental use.
Design X BuildProperty-Specific PlanningSeattle & EastsideOne Accountable Team
ADU Design-Build in Seattle
A compact home designed for real life.
An ADU can support family, independent living, guests, work or long-term flexibility.
Pacent studies the property first, then connects design, budget, permits and construction in one clear process.
See what we review firstDesigned around real life
One compact home. Many ways to use it.
Your goals guide every design decision.
Multigenerational Living
Keep family close with comfort and privacy.
Aging in Place
Plan for safer, more accessible daily living.
Guest Residence
Create a private place for extended stays.
Long-Term Flexibility
Adapt the space as household needs change.
Rental Potential
Prioritize durability, privacy and function.
Home Office + Studio
Work or create away from the main home.
Site first.Design second.
Property feasibility
Good ADU design starts with the property.
We review the conditions that shape what can be designed and built:
Lot and zoning conditionsExisting home and structuresSetbacks and buildable areaLot coverage and heightTree and site constraintsUtilities and service capacityAccess and construction logisticsDrainage or critical areas
Feasibility and current requirements must be confirmed for each property.
Review My PropertyComplete Design X Build Scope
One team from concept to completion.
A complete scope, coordinated around your property.
Property Review
Confirm goals, conditions and constraints.
Space Planning
Shape the layout, access and privacy.
Design Development
Coordinate architecture, interiors and key details.
Consultant Coordination
Align required engineering and specialist input.
Permit Coordination
Manage documents, reviews and revisions.
Selections & Procurement
Finalize materials, fixtures and lead times.
Construction
Coordinate trades, schedule and quality.
Closeout
Complete inspections, details and walkthrough.
Our ADU process
A clear path from idea to finished home.
Design, cost and construction stay connected.
Consultation
Define the property, goals and priorities.
Feasibility Review
Identify site opportunities and constraints.
Concept Design
Plan access, privacy, daylight and daily use.
Scope & Pricing
Align design, selections and investment.
Permitting
Coordinate review, revisions and preconstruction.
Construction
Build, inspect and complete the new home.
Small footprint, considered detail
Small spaces deserve thoughtful design.
Every detail should make the home feel open, comfortable and easy to use.
- Efficient kitchens and storage
- Comfortable, durable bathrooms
- Natural light with privacy
- Flexible built-in solutions
Selected transformations
See the difference thoughtful design makes.
Drag to compare, then explore Pacent projects across our core services.
ADU & DADU
Before / After
More livable space, planned around the property.
Why Pacent
Design and construction. One accountable team.
Every decision is connected to the property, budget and build.
Integrated Design X Build
Design decisions reflect how the project will be built.
Property-Specific Planning
Every solution begins with the actual site.
Interior Design Included
Layouts, materials and fixtures work as one.
Clear Coordination
One team aligns decisions and responsibilities.
ADU & DADU FAQ
Questions Seattle homeowners ask first.
Clear answers before a property-specific review.
Review Seattle SDCI guidanceAn ADU is a secondary home attached to or within the main house. A DADU is a separate backyard cottage on the same property.
It depends on zoning, setbacks, lot coverage, access, utilities, trees and existing structures. A property review is required to confirm feasibility.
Many Seattle residential lots may allow up to two accessory dwelling units. The permitted configuration must be confirmed for the specific property under current SDCI rules.
Yes. Construction and related trade permits are typically required. The exact approvals depend on the site, design and project scope.
Timing depends on design, engineering, permit review, materials and site conditions. Pacent provides a project-specific roadmap after the initial review.
Yes. Pacent coordinates design, estimating, consultants, permits, selections and construction through one connected design-build process.
Start with clarity
Not sure whether an ADU or DADU fits your property?
Book a consultation
Start your Seattle ADU or DADU project.
Tell us about your property. We’ll help identify the right next step.
- Property and goal review
- Configuration guidance
- Clear next steps
Start with your property
Book a Free Consultation
Tell us about your property and project goals.
