OLEG & SONS · DESIGN | BUILD | REMODEL
Discover a Newcastle ADU approach grounded in property research and independent living.
A useful Newcastle ADU starts with more than a footprint in the yard. Understand the parcel, its recorded plans, environmental features, and service connections, then develop a smaller independent home around your household's priorities.
A property-specific proposal begins with your site and intended use.
Share your Newcastle address and the way you want the space to work.
REVIEW YOUR NEWCASTLE PROPERTY
Newcastle's mining heritage makes careful property research a useful starting discipline. Review the parcel's own records and actual conditions, then compare ADU approaches around independent access, utility connections, privacy, and the household you want here.
Newcastle keeps recorded site and subdivision plans, while county tools provide parcel and development-condition information. Compare those records with a current survey before placing the ADU, an access path, or utility trenches.
The city identifies wetlands, streams, steep slopes, and coal mine hazard zones among its sensitive-area concerns. Mapping is an initial screening tool; obtain the appropriate site-specific professional evaluation where a potential constraint affects your proposal.
City planning and building staff review development and construction, while utility service has its own coordination. Identify the parcel's provider and proposed connection route early, and include both city review and service work in the full ADU scope.
Bring the address and existing plans. Confirm the applicable jurisdiction before planning your Newcastle project.
BUDGET FOR YOUR NEWCASTLE PROJECT
Price a Newcastle ADU after reviewing parcel records and potential site constraints. Include investigation, service connections, access, construction, and finishes, then document exclusions and allowances before comparing proposals or selections.
800 sq ft to review
Area planner only. Construction pricing for Newcastle follows review of the property, design, site work, fees, allowances and taxes in your written proposal.
Review the Newcastle scope ↗Begin with recorded plans, site information, and the proposed household. Investigate any relevant constraints before deciding where another home belongs, how it connects to services, and which building approach fits.
| 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 Newcastle project scope, exclusions and total price before construction.
THE WORK BEHIND THE PROMISE
View the completed Seattle and Redmond remodeling work for evidence of finish choices and detail coordination. Your Newcastle ADU will need a separate property investigation, design scope, and permit process.
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
Use Seattle's ADUniverse collection of 183 entries, including 31 with plans, to explore arrangements and architectural ideas. These are references for a Newcastle discussion. Seattle catalog inclusion does not establish Newcastle approval, settle parcel constraints, or replace local planning, building review, and coordinated site design.
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 Newcastle property. Plan licensing, local eligibility and site-specific permits must be checked with the relevant authority.
DESIGNED AROUND REAL LIFE
AI-generated concepts explore how a compact residence might feel. Use them to compare priorities, then develop a Newcastle interior that follows verified dimensions, service locations, property conditions, and approved drawings.
AI design conceptExplore cooking, dining, and seating within one compact arrangement. The concept helps define useful daily activities before the actual Newcastle footprint and entrance are established.
AI design conceptConsider storage and comfortable movement alongside the bed. Privacy and daylight depend on the real relationship between the proposed unit, main home, and neighboring properties.
AI design conceptCompare a restrained finish palette and efficient fixture arrangement. Translate the AI idea into a measured plan with the necessary ventilation, storage, and construction details.
AI-generated design concepts for inspiration. Layouts and finishes are developed for your property; these are not completed-project photographs.
START WITH YOUR PROPERTY
A building approach should follow the property's research and the household's needs. Compare independent space, existing-building work, utilities, and site impacts before selecting a detached unit, addition, or conversion.
Tell us about your propertyInvestigate a separate footprint together with access, services, environmental features, and any identified ground concerns. A clear site plan establishes the basis for the residence.
Consider an attached residence where the building connection, usable site area, entrance, and privacy can be coordinated into a practical whole.
Assess available interior space for complete dwelling use, reviewing the structure, independent access, moisture conditions, and kitchen and bathroom services before defining the work.
FROM YOUR NEWCASTLE ADDRESS TO HANDOVER
Resolve the property questions before committing to detailed design. Site investigations, current city requirements, service work, and the chosen construction approach shape a realistic sequence and project schedule.
Collect recorded plans and county property information, compare the records with actual conditions, and identify any site features needing professional evaluation.
Choose the configuration, plan independent access and privacy, and coordinate the building footprint with utilities and confirmed property constraints.
Discuss land use and building requirements with Community Development and use the city's current Permit Center for the appropriate submission.
Sequence site preparation, services, building work, inspections, and finishes according to the approved plans and agreed project requirements.
Address final work and inspections, review systems and care information, and walk through the completed residence with the owner.
The design team, reviewing authority, site conditions and material lead times shape your Newcastle sequence. We refine milestones as the documents and permit path become clear, then confirm the construction schedule in the agreement.
BEFORE YOU BEGIN
Use these answers to prepare a property-specific discussion. Newcastle's citywide history does not establish a constraint on your lot; actual records, conditions, and city review guide the next step.
Ask us your questionStart with Newcastle Community Development. Planning staff address land use and environmental questions, and the Building division reviews construction permits. Bring the address, a site sketch, and the proposed use so the city can identify the applicable review path.
No conclusion follows from the citywide history alone. Check the parcel's mapped information and recorded plans, and ask the city whether a coal mine hazard or another site condition needs professional evaluation. The actual property determines what needs further investigation.
No. Newcastle explains that environmental data is a starting point and may not show current ground conditions. Where sensitive features may affect an ADU, confirm the necessary specialist assessment and applicable boundaries before settling the building location.
Use the Permit Center linked from Newcastle's Community Development page. The city's current permit and inspection links lead to its OpenGov portal. Confirm the application category with staff, especially if an older project checklist points to a previous system.
Your Newcastle 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 Newcastle project, we review the agreed construction responsibilities, final walkthrough and applicable warranty terms in the project documentation.
YOUR PROPERTY. YOUR PRIORITIES.
Send your Newcastle address, photographs, household goals, and any recorded plans or site reports. Include the space you are considering and the questions you need to resolve.
(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 Newcastle scope discussion.
Floor area is for planning. Your Newcastle 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.