OLEG & SONS · DESIGN | BUILD | REMODEL
A Whidbey cottage begins with its community, landscape, and essential property services.
A rural cottage, an in-town unit, and a property within Ebey’s Reserve follow different planning paths. Start by confirming the parcel’s jurisdiction, then consider water, wastewater, access, and landscape constraints before choosing a design.
A property-specific proposal begins with your site and intended use.
Share your Whidbey Island address and the way you want the space to work.
REVIEW YOUR WHIDBEY ISLAND PROPERTY
First locate the parcel within Whidbey’s separate jurisdictions. Then review water, wastewater, access, and any reserve or environmental considerations before deciding how a new independent residence could sit within the existing property.
First establish whether the parcel is in unincorporated Island County or inside an incorporated community. The County maintains a zoning map and a changing DADU certificate availability notice. Confirm the current route with the responsible planning department before committing to a detached-unit design.
Island County identifies water availability, access, and septic documentation among building-submittal prerequisites. Where a property uses septic, assess the existing system and site with a qualified professional before deciding on bedrooms or construction placement. The County’s health team reviews system design and site suitability.
If the property lies in Ebey’s Reserve, locate its design review area and any nearby contributing historic structure. The County explains that most development receives design review and non-exempt projects need the appropriate Certificate of Appropriateness. Review the setting before fixing the cottage’s form and exterior palette.
Bring the address and existing plans. Confirm the applicable jurisdiction before planning your Whidbey Island project.
BUDGET FOR YOUR WHIDBEY ISLAND PROJECT
Water, wastewater, access, and applicable site reviews can shape the whole project. Establish those needs before pricing the building so a cottage concept becomes a defined property-specific construction scope.
800 sq ft to review
Area planner only. Construction pricing for Whidbey Island follows review of the property, design, site work, fees, allowances and taxes in your written proposal.
Review the Whidbey Island scope ↗A Whidbey proposal needs the right jurisdiction and a workable service plan. Include property access, septic or sewer coordination, water availability, and any applicable Reserve design review in the scope.
| Scope item | What your proposal should clarify |
|---|---|
| Design & engineering | Architect and engineering responsibilities, site documents, and any designer’s plan-license fees. |
| Permits & City fees | Applications, review fees, required permits and who is responsible for each cost. |
| Site preparation | Existing structures, demolition, excavation, access, drainage and any site-specific work. |
| Utility connections | Water, sewer, electrical service, connection routes and any required upgrades. |
| Interiors & selections | Cabinetry, surfaces, flooring, fixtures, appliances and the allowances for your selections. |
| Taxes & changes | Tax treatment, exclusions, payment milestones and how changes are priced and approved. |
The floor area is a planning input. Confirm the complete Whidbey Island project scope, exclusions and total price before construction.
THE WORK BEHIND THE PROMISE
Completed Seattle and Redmond remodeling work offers visible examples of interiors and finish details. It is remodeling evidence, while a Whidbey ADU requires its own property review and project scope.
SEATTLE · COMPLETED REMODELKitchen, dining connection and bathroom details, brought together through cabinetry, tile, storage and lighting.
Explore our Seattle project ↗
REDMOND · COMPLETED REMODELA kitchen, bathrooms, fireplace and interior updates, with preparation and finished spaces documented in the gallery.
Explore the full renovation ↗These are completed remodeling projects, not ADU case studies. Finished photos have lighting enhancements; explore each project for its documented scope.
THE SEATTLE DESIGN COLLECTION
The Seattle ADUniverse reference includes 183 entries, 31 with plans. Study compact layouts and exterior forms as inspiration. Those entries do not establish approval anywhere on Whidbey; Island County or the appropriate incorporated community must review the actual parcel and applicable local requirements.
These 10 designs are listed as pre-approved in Seattle’s gallery. Site-specific permitting and a plan license from the designer are still required.
No designs match these filters. Try another size or search term.
We’ll help you explore access, site conditions, layout and construction for your property.
Seattle’s pre-approved designation is specific to the City’s program. For Bellevue or another nearby city, confirm the applicable local review and approval path. Source: City of Seattle · ADUniverse gallery. Designs and images belong to their respective creators. These are independent architects’ designs, not Oleg & Sons completed projects. Availability, approval and licensing must be confirmed with the City and designer. Catalog checked October 22, 2026.
This is Seattle’s ADUniverse collection. Its Seattle status does not establish approval for a Whidbey Island property. Plan licensing, local eligibility and site-specific permits must be checked with the relevant authority.
DESIGNED AROUND REAL LIFE
These AI-generated concepts explore comfortable smaller rooms, practical storage, and considered finishes. They are illustrative ideas rather than photographs of completed Whidbey ADUs, permit documents, or guaranteed design outcomes.
AI design conceptExplore a compact gathering space with a useful kitchen and a place to pause by the window. Refine the outlook and entry around the actual parcel.
AI design conceptCompare bed placement, wardrobe space, and natural light without assuming a particular view. The developed plan should fit the resident and the property’s real orientation.
AI design conceptConsider an uncomplicated layout, useful storage, and surfaces suited to regular use. Plumbing, ventilation, and the final fixture choices need to be coordinated within the project scope.
AI-generated design concepts for inspiration. Layouts and finishes are developed for your property; these are not completed-project photographs.
START WITH YOUR PROPERTY
An independent cottage is one possibility, not the automatic answer. Compare detached, attached, and conversion approaches only after checking jurisdiction, the current ADU pathway, and water and wastewater feasibility.
Tell us about your propertyConfirm the responsible jurisdiction, current detached-ADU requirements, service feasibility, and available building area before developing a separate cottage. County certificate availability needs a current check.
Explore a connected unit where the existing home and site can support another household. Establish the relevant local requirements before assuming an addition avoids property constraints.
Assess an interior or garage conversion against building conditions and the proposed dwelling use. Existing walls do not remove the need to verify permits, services, and applicable reviews.
FROM YOUR WHIDBEY ISLAND ADDRESS TO HANDOVER
The sequence depends on where the parcel sits and what its services can support. Establish those facts before design decisions narrow the available construction options.
Confirm County or municipal jurisdiction, review property information, and identify water, wastewater, access, and any mapped design-review considerations.
Compare living arrangements and building approaches, coordinating the preferred footprint with service feasibility, resident access, and the existing landscape.
Confirm the current ADU pathway and required permits with the responsible authority, including any applicable septic, water, or Reserve review documentation.
Carry out the agreed access, service, building, and interior work in a sequence that follows the approved documents and property-specific construction needs.
Resolve required inspections and agreed closeout items, explain the installed systems, and provide the relevant records before the residence moves into daily use.
The design team, reviewing authority, site conditions and material lead times shape your Whidbey Island sequence. We refine milestones as the documents and permit path become clear, then confirm the construction schedule in the agreement.
BEFORE YOU BEGIN
Whidbey is not one city or one permit process. These answers distinguish County and municipal responsibilities and explain why services and Reserve boundaries need an early check.
Ask us your questionNo. Unincorporated properties work through Island County, while properties inside Oak Harbor, Coupeville, or Langley need their municipality’s process. A mailing address is not enough to establish jurisdiction; confirm the parcel’s city or town limits first.
No. Have the system records and proposed additional use evaluated before the floor plan is fixed. Island County’s onsite sewage program reviews soil and site suitability and septic designs; the required capacity and approvals depend on the actual property and proposal.
First check whether the parcel is inside the Reserve and which design review area applies. Most development in the Reserve is reviewed; a non-exempt project needs the applicable Certificate of Appropriateness. Being somewhere on Whidbey does not automatically place a property in the Reserve.
Availability needs a current check. Island County posts a changing DADU certificate status on its planning and building pages. Confirm the applicable program, current availability, and parcel requirements directly before treating a detached cottage as an approved construction option.
Your Whidbey Island price is developed around the selected layout and property review. The written proposal should identify design responsibilities, site preparation, utility connections, finishes, allowances, exclusions, fees and taxes. The area planner on this page does not calculate a construction price.
Oleg & Sons Bellevue Home Remodeling provides a 2-Year Workmanship Warranty. For your Whidbey Island project, we review the agreed construction responsibilities, final walkthrough and applicable warranty terms in the project documentation.
YOUR PROPERTY. YOUR PRIORITIES.
Share the address or parcel number, the intended household, and any water, septic, or survey records you have. These details help establish the right first planning questions.
(425) 275-7945Owner operated since 2013
Washington contractor OLEGSSP754Q6 · 2-Year Workmanship Warranty
Review your project details, then choose a consultation time. Your notes will carry into the booking.
Bring this target size to your Whidbey Island scope discussion.
Floor area is for planning. Your Whidbey Island price follows site review and a written construction proposal.
Your address and project notes will be carried into our consultation calendar. Confirm your details there to complete the booking.