Custom Home Cost Calculator for the West Kootenays

Wondering what it costs to build a custom home in the West Kootenays? The honest answer is that every build is different. Your square footage, finish level, the site you’re building on, and permits all move the number. This calculator walks you through each of those factors in a couple of minutes, then sends your details to our team so we can put together a real, personalized quote. No pressure, no obligation.

What goes into the cost of a custom home?

Four things drive the cost of a custom build more than anything else, and the calculator is built around them.

Size and layout

Square footage is the starting point. A larger footprint means more of everything, and layout matters too. A single-storey home spreads across more foundation and roof than a two-storey home of the same size.

Finish level

Where your budget goes furthest is in the selections. Standard, mid-range, and premium finishes carry real differences in flooring, cabinetry, counters, and fixtures.

Your site and terrain

This is where the West Kootenays are unique. A flat, serviced lot is straightforward. A sloped, rocky, or hard-to-access site can mean extra excavation, retaining walls, and equipment time. We build that reality into every estimate.

Permits and design

Permit fees, inspections, and design or draftsperson work are part of a real budget. The calculator lets you factor them in or leave them out, depending on how you want to plan.

How the calculator works

It takes about two minutes. You’ll tell us the size and finish you have in mind, how the home is structured, and a bit about your site and permits. When you’re done, leave your contact details and Justin will follow up within 24 hours with a personalized quote for your project. The estimate is free, and there’s no commitment.

Custom home built by Legacy Built Homes in the West Kootenays, with a grey metal roof and a large outdoor deck backed by mountains and pine.

Why build with Legacy Built Homes?

Legacy Built Homes is a family-oriented custom home builder serving the West Kootenays, including Castlegar, Nelson, Nakusp, and Kootenay Bay. Founded in 2015 and led by Justin Creaser, our team brings more than 15 years of construction experience to every project. We’re known for quality craftsmanship, proactive communication, and transparent, accountable budgeting from day one. When you build with us, you’re working with people who understand the terrain, the climate, and the permitting realities of building in the Kootenays. Our services include custom home builds from site preparation through final finishes.

Learn more about our process, our recent work, or meet the team.

Renovating instead? estimate your renovation. For more planning advice, read what to expect when building a custom home in Castlegar and how to choose the perfect lot for your new home in Castlegar.

Newly constructed detached grey two-car garage with white trim and a concrete apron driveway.

Frequently asked questions

Ready to start planning your build?

Run the numbers above, or contact us for a free consultation. You can also call us directly at 250-558-9531.