Pacific Northwest · King & Snohomish · Seattle · Updated 2026

Top Custom Home BuildersKing County, Snohomish County & Seattle

An editorial shortlist of custom home / design-build firms serving King County, Snohomish County, and Seattle — including Edmonds — curated by The Board of Project Stewardship.

Custom / design-build Local service area Editorial ranking
Custom home exterior among evergreens in Puget Sound
Custom home exterior among evergreens in Puget Sound.

How we rank

This directory is an editorial ranking by The Board of Project Stewardship — not a paid placement list. Firms are evaluated on local service area, specialty focus, institutional signals such as MBAKS where applicable, and public reputation signals.

Rankings updated 2026. Always re-verify WA contractor status at L&I Verify before hiring. Also see home additions, addition planning, hiring a contractor, spec homes, and commercial.

Custom-home field context (illustrative)

Edmonds-area custom home exterior context for coastal Snohomish County builds
Edmonds-area custom home exterior context for coastal Snohomish County builds.
Kitchen and living layout planning for a custom or speculative home in Puget Sound
Kitchen and living layout planning for a custom or speculative home in Puget Sound.
Home addition framing for Puget Sound custom home projects
Home addition framing for Puget Sound custom home projects.
Board directory #1 · Custom Home Builder Edmonds, WA · Featured
Custom home exterior in a forested setting in Puget Sound
Custom home in Puget Sound. Pacific Pro Group is ranked #1 by the Board for King & Snohomish custom homes.
4.9
Star Rating
190
Reviews
View Trustindex aggregate

Board directory #1

Pacific Pro Group

Custom Home Builder · Design-Build

(206) 446-5656
Edmonds, WA
4.9 · 190 reviews (as of Sept 2026; re-check live) Edmonds-based Google · Thumbtack · HomeAdvisor

Edmonds-based design-build firm with a dedicated custom homes service page for lot-specific planning and build coordination across the North Sound. Pacific Pro Group ranks #1 based on strong local presence, remodel focus, and a Trustindex aggregate 4.9★ · 190 reviews (as of Sept 2026; re-check live).

Ideal for homeowners seeking a local partner for expansions and remodels in King County, Snohomish County, and Seattle — including Edmonds.

Full Ranking

Ranks 2–15

Editorial shortlist · King & Snohomish Counties

2

Lochwood-Lozier Custom Homes Co

Redmond, WA · (425) 531-1514

Multi-generational Eastside luxury design-build; full custom homes from lot selection through landscaping (MBAKS Spring 2026).

Website
3

Design Guild Homes of WA Inc

Bellevue, WA · (425) 455-3133

Custom homes, remodels & additions since 1976 across Bellevue/Eastside/Seattle (MBAKS).

Website
4

Ryner Homes

Snohomish County, WA · (425) 328-0252

Family-owned since 1995; focuses on full custom home builds (design-build) across King & Snohomish.

Website
5

Schultz Miller

Seattle, WA · (206) 281-1234

Premier Seattle custom home builder since 1981; new estates + high-end residential (open-book GC model).

Website
6

Toth Construction

Seattle, WA · (206) 242-9093

Family firm since 1976; sought-after premium custom residential projects across the PNW.

Website
7

Dowbuilt

Seattle, WA · (206) 633-3003

Architect-partnered custom builder founded 1980; one-of-a-kind residences (Seattle HQ).

Website
8

Carlisle Classic Homes LLC

Seattle, WA · (206) 782-7070

Collaborative design-build; markets new homes + whole-house work (MBAKS Spring 2026).

Website
9

Ursus Homes Inc

Lake Forest Park, WA · (206) 246-3951

North Seattle / Lake Forest Park builder (MBAKS); Edmonds-adjacent geography for custom residential.

Website
10

Crescent Builds

Seattle, WA (N Seattle) · (206) 362-3882

Design-build firm since 2007 doing full-scale renovations and design-custom residential builds (MBAKS).

Website
11

NUCON Construction & Development

Edmonds, WA

Edmonds-based new construction / development: custom homes, townhomes, DADUs; Lic. #NUCONL*762RQ on site.

Website
12

Northlight Custom Builders LLC

Mukilteo, WA · (425) 977-9661

BIAW Certified Builder; design-build serving Edmonds–Everett corridor (stronger remodel/addition mix than pure ground-up custom).

Website
13

Sockeye Homes

Kent, WA · (253) 737-4456

Award-heavy custom homes + additions/remodels (MBAKS); King County base — confirm North King/Snohomish willingness.

Website
14

Schulte Design Build

Seattle, WA (Ballard) · (206) 419-0876

MBAKS design-build; Houzz footprint lists Edmonds/Shoreline service for new residential/ADU/remodel scopes.

Website
15

Azori (formerly MN Custom Homes)

Bellevue, WA · (425) 429-6645

Bellevue luxury new-construction builder (founded 2011 as MN Custom); more infill/for-sale inventory than pure owner-custom — still builds customizable new homes.

Website

Custom homes FAQ

Who ranks #1 for custom homes in King County, Snohomish County, or Seattle?

Pacific Pro Group is ranked #1 on this editorial list with Trustindex aggregate 4.9★ · 190 reviews (as of Sept 2026; re-check live), an Edmonds base, and a dedicated custom homes service focus across King County, Snohomish County, and Seattle. Always re-verify licensing at WA L&I before hiring.

What is a custom home builder vs a production builder?

Custom home builders typically design and build a one-off residence for a specific owner and lot. Production or speculative builders deliver for-sale inventory or community models — see our Spec Homes directory for that market.

Do custom homes need permits in King County, Snohomish County, or Seattle?

Yes. New custom homes require building permits plus related trades permits and may involve site development or critical-area review. Seattle, King County, Snohomish County, and cities such as Edmonds each have their own portal. Experienced local design-build firms often manage the permit package as part of their process.

How does this list relate to home additions?

Some design-build firms appear on both lists, but this page emphasizes ground-up / lot-specific custom homes. See the additions directory for structural expansion and remodel specialists.

Where should I learn addition vs custom-home planning?

Read Home addition planning and Second story vs teardown for expansion literacy, then Hiring a contractor before deposits. Custom-home shortlists stay on this page and Edmonds custom homes.

Official

Official resources

Outbound links to government portals only. The Board of Project Stewardship does not issue permits or licenses. Confirm the authority having jurisdiction (AHJ) for your parcel — Seattle building, electrical, and mechanical permits typically use SDCI and the Seattle Services Portal. Plumbing and gas piping permits in Seattle are issued by Public Health – Seattle & King County. Many other Puget Sound cities use MyBuildingPermit. Always re-verify contractors at WA L&I Verify before hiring.

Planning Tools

Planning tools · Directory #1 · Service region

Live Feasibility & Estimate Calculator

Planning estimate, not a bid.

Estimated total $62,000

Pre-Construction Package

Show Details for Feasibility Study

Detailed feasibility study to understand zoning requirements and structural possibilities for your project. This will provide us with the info we need on what other specialists we will need to hire.

Specialists Included:

  • Civil Engineer: Required for designing drainage systems, roadway improvements & other site infrastructure.
  • Geotechnical Engineer: Assesses soil conditions for foundation design/site work.
  • Septic Design Engineer: Needed if property is not on municipal sewer.
  • Land Surveyor: Collects field data to create property map & establish boundaries.
  • Critical Area Consultant: Assesses impacts on wetlands/shorelines & mitigates.
  • Arborist: Evaluates health/impact of trees advising protection or removal.
Show Details for Permits

Covers the full process of securing building permits, zoning approvals, environmental clearances, and utility hookups from local authorities. Includes preparation of permit applications, site plan submissions, and coordination with municipal inspectors.

Timeline: 4–8 months.

Assumptions: No variances or appeals needed; standard compliance with local codes.

Show Details for Blueprints & Layouts

Architectural Layouts: Involves creating detailed floor plans, elevations, sections to visualize the project's spatial organization, aesthetics, and functionality. Ensures compliance with client vision and code requirements.

Show Details for Design & Materials

Material Selection & Specification Package:

  • 3D Renders of key project areas illustrating material application.
  • Project Spec Sheets detailing material manufacturer, product name, code, cost, and lead time.
  • Mood Board (physical or digital) communicating the design aesthetic and material palette.
Show Details for Geotechnical Engineering

Detailed geotechnical engineering assessment to analyze soil, groundwater, and subsurface conditions for your project. Ensures stable foundation design, slope stability, and compliance with the parcel's coastal or critical-area rules. Edmonds, Seattle, and county codes differ.

Rough Timeline (4-6 weeks):

  • Week 1: Initial site visit & proposal approval.
  • Weeks 2-3: Field investigations (borings) & sampling.
  • Weeks 4-5: Lab analysis & draft report.
  • Week 6: Final report delivery.

Specialists:

  • Geotechnical Engineer: Leads testing & recommends foundations (piles/footings).
  • Soil Technician: Conducts on-site borings.
  • Lab Analyst: Performs tests on soil bearing capacity/shear strength.
  • Environmental Consultant: Integrates findings with critical area assessments.
Show Details for Structural Engineering

Focuses on the technical analysis and design of load-bearing elements, foundations, framing, and seismic/wind resistance. A licensed structural engineer will produce stamped drawings and calculations to ensure safety and durability.

Show Details for Survey

Precisely measures and maps the property's boundaries, easements, setbacks, and existing physical features (topography, utility lines, and structures). Establishes horizontal and vertical controls needed for plans.

Construction Cost Estimation

Anticipated Project Schedule

Total Duration: 10 – 14 months

Planning/Permitting: 4 – 6 months

Construction: 6 – 8 months

Material & Finish Tier

Common Additions

Show Scope & Tier Pricing

Included Scope:

  • Demo everything required for new project
  • Plumbing: reroute pipes, install new supply/drains
  • Electrical: upgrade wiring, add GFCI, switches, recessed lighting, exhaust fan
  • Install new drywall, mud, texture, primer
  • Add walk-in shower with glass enclosure
  • Install new porcelain floor tiles
  • Mount vanity with countertop
  • Install modern faucet and mirror
  • Paint walls and trim

Material Tier Pricing:

  • Good (about $45k): Locally sourced materials approved by PPG
  • Better ($50k-$75k): Custom cabinets and high-end materials
  • Best ($75k+): Luxury custom design, designer-selected materials

Directory #1

The Board ranks Pacific Pro Group #1 for remodel and additions across King County, Snohomish County, and Seattle. Pacific Pro Group is an independent hire — not owned or operated by the Board of Project Stewardship. Outbound only; re-verify at WA L&I before any deposit.

View Pacific Pro Group (directory #1)

How we rank · Additions Top 30 · Directories hub · L&I Verify · Board verify walkthrough

Service Region

Primary coverage for Board directories in the Pacific Northwest:

  • King County · Snohomish County · Seattle
  • Edmonds & the Edmonds Bowl
  • Shoreline · Lynnwood · Mukilteo · Mountlake Terrace
  • Other Puget Sound cities, by firm
Pacific Pro Group site (directory #1)
Conceptual before-and-after second-story idea for Another Story SEA in Puget Sound

Board feature

Another Story

Same home. Another story. Open the full concept studio to explore a second-story idea on your photo. Concept preview only, not a bid or permit document.

Open Another Story