Newcastle view homes and sloped lots
Architect in Newcastle, WA
View homes, custom houses on steep lots, renovations of 1990s and 2000s homes and ADUs in Newcastle, on the ridge between Bellevue and Renton.
The first feasibility check is free and usually takes about a day. You speak to the architect, not a salesperson.
Why local matters
Built around the view and the slope
Newcastle runs along a ridge from Coal Creek to the Renton Highlands. The western slope looks toward Lake Washington, the Seattle skyline and, from the best lots, the Olympics.
Most lots are sloped, some steeply. Designs that use the grade, with split levels, daylight basements and a garage on a different floor from the living space, tend to cost less and live better than fighting it.
Permits go through the City of Newcastle, a small city where a well prepared application usually moves efficiently.
What gets designed here
Work in Newcastle
Newcastle work falls into three kinds.
- View homes. Living spaces placed to take in the panorama, with roof lines that keep the view for the house behind.
- Renovations. Many 1990s and 2000s homes have closed plans that block the view, dated kitchens and suites, and systems from before heat pumps.
- ADUs. Larger lots, especially with a walkout lower level, suit a separate unit.
Permits
Newcastle permit timelines
| Project | Typical review |
|---|---|
| Residential addition | 6 to 10 weeks |
| New single family home | 10 to 16 weeks |
| ADU | 6 to 10 weeks |
Typical City of Newcastle review times for a complete application.
Site constraints
Designing on the slope
Steep lots are the norm here, and they shape the whole project.
- Grade decides where the garage, entry and main living floor can go.
- Steep slopes usually need geotechnical input before the design is final.
- Roof lines are drawn so the house behind keeps its view.
Budget
What projects cost, in round numbers
These are the same figures used everywhere on this site. The estimators on the linked pages turn them into a number for your size and scope.
| Project | Typical range | Estimator |
|---|---|---|
| Architect led custom home | $500 to $800 per sq ft | cost to build page |
| High end custom or waterfront | $800 to $1,200 and up per sq ft | cost to build page |
| Whole house remodel | $300 to $550 per sq ft | whole house remodel page |
| Home addition | $350 to $650 per sq ft | home addition cost page |
| Detached ADU | $200,000 to $400,000 | ADU cost guide |
| Architecture fee | 8% to 15% of construction | architect fees page |
Swipe the table sideways to see every column
Eastside figures from the cost pages on this site, each of which has an estimator that gives you your own number. Land, site work and permits sit on top of construction.
Where
Newcastle neighborhoods
The Coal Creek area to the north, the western slope facing the lake, and the neighborhoods toward the Renton Highlands to the south.
Questions
Building in Newcastle, answered
Do you work in Newcastle?
Yes. Piper Cole Architects is based in Kirkland and Newcastle is part of the regular work. View homes, sloped lot houses and renovations are the core of it.
How long does a permit take in Newcastle?
Allow 6 to 10 weeks for an addition or ADU and 10 to 16 weeks for a new house through the City of Newcastle.
What does an architect cost in Newcastle?
Typically 8% to 15% of construction for full service, toward the top of that range on waterfront, steep or otherwise constrained lots because they take more design time. The architect fees page has a calculator for your own budget.
Do I need an architect for a house in Washington?
Not by law. RCW 18.08.410 exempts single family homes and buildings of four units or fewer from the stamp requirement. You will need permitted drawings and usually structural engineering. People hire an architect because the lot, the code or the design is complicated, not because the law requires one.
What happens on the first call?
You describe the property and what you want to do. David Meade tells you what the site and the code are likely to allow, what it tends to cost and what to check first. The first feasibility check is free and usually takes about a day.
Plan the project
Cost and service pages
- Cost to build a house in SeattleNew build cost by tier, with an estimator
- Architect feesWhat the design work costs, with a calculator
- Home addition costEvery addition type, with an estimator
- Whole house remodel costCost by depth, and the code trigger that moves budgets
- Custom home designNew houses on the lakes and on difficult lots
- Home additionsOut or up, and what it costs
- ADU and DADU designGarage conversions to backyard cottages
- Waterfront and lakefront homesShoreline lots and teardown rebuilds on the lakes
Read next
Guides for Newcastle projects
- How long a custom home takesDesign, permit and build, stage by stage
- ADU or DADUWhich kind of accessory unit suits the lot
- Second story additionsGoing up instead of out, and what it involves
- Questions to ask an architectWhat to ask before you hire anyone
Nearby
Nearby cities
- Architect in Bellevue, WALocal permits, costs and the kind of work done there
- Architect in Renton, WALocal permits, costs and the kind of work done there
- Architect in Issaquah, WALocal permits, costs and the kind of work done there
- Architect in Mercer Island, WALocal permits, costs and the kind of work done there
- Architect in Sammamish, WALocal permits, costs and the kind of work done there
- Architect in Kirkland, WALocal permits, costs and the kind of work done there
Next step
Talk about your Newcastle property
Describe the lot and what you want to do with it. You speak to David Meade directly, not a salesperson, and the first feasibility check is free and usually takes about a day.
Our Architecture Services
Full-service architecture for Newcastle Architect: View Homes, Sloped Lots and the greater Seattle area: