10 Minute Bids
Design criteria

What Whidbey and Camano Islands builds to.

The design numbers each jurisdiction publishes, the ones the trusses, bracing, roofing and plumbing on your plans are drawn to.

Whidbey & Camano: published design criteria
WhereSnow loadDesign wind speedSeismic design categoryFrost depthIce barrier requiredEnergy code climate zone
Island County (unincorporated Whidbey and Camano Islands)20 psf (ground)97 mphD212 inNo4C

Sources: Island County (unincorporated Whidbey and Camano Islands): Island County. Read 2026-09-28. Climate zones: Washington State Energy Code, Table R301.1. Every number is as the jurisdiction publishes it (its design criteria for houses, IRC Table R301.2(1)); a dash means it isn't published. Your lot can differ with elevation and exposure, so confirm it with the building department before you order.

Where

Whidbey & Camano towns.

Oak Harbor, Coupeville, Langley, Freeland, Clinton, Camano Island. Next door: Skagit County · Everett & north Snohomish · San Juan Islands. Every area

Questions

Takeoffs in Whidbey & Camano

Do you do takeoffs for houses in Oak Harbor?

Yes: any house in Whidbey and Camano Islands (Oak Harbor, Coupeville, Langley, Freeland, Clinton and Camano Island), and anywhere else. You upload the plan set; nothing has to be built yet.

Which trades can I order?

Metal and shingle roofing, siding, framing, electrical, plumbing, exterior and interior painting, flooring and finish carpentry, one trade or the whole house, all measured off the same 3D model.

Does it cost more in Whidbey & Camano?

No. The price is the same everywhere and you see it before you pay. The 3D model is included, and each trade after the first in the same order is half price.