New Construction, Done Right—On-Time, On-Budget, No Headaches – Your Trusted Custom New Construction Specialists

At 4th Dimension Construction, we’re a family-owned and operated design-build firm based in Tumwater, Washington, proudly serving Thurston & Lewis Counties, including Olympia, Lacey, Yelm, Rainier, Tenino, Rochester, Chehalis, Centralia, Napavine, Winlock, Pe Ell, Vader, Morton, Mossyrock, and Toledo

We believe in exceptional craftsmanship, transparent communication, and reliability—values that turn construction into confidence. As a licensed, bonded, and certified Olympia Master Builder, we deliver homes built to last, with every detail handled in-house—from planning and permitting to final inspection.

Full-Service Design–Build Homes

We specialize in custom new construction—tailored homes that reflect your vision, lifestyle, and property needs. Our process integrates design, engineering, and construction under one roof, ensuring:

  • Transparent, line-item budgets

  • Realistic schedules and milestone tracking

  • 3D renderings for design clarity

  • Weekly project updates and inspections

  • Single-source accountability from concept to completion

Your Vision, Built for Real Life

Whether you’re breaking ground on your dream home or expanding your existing space, we manage every step—planning, permitting, engineering, and building—with precision and care. Our mission is simple: deliver a beautiful, functional home that stands the test of time.

Let’s Build Together

Ready to start your custom home project?
Contact us today to schedule your pre-construction consultation and receive a tailored project plan within one business day.

Custom New Homes | Design–Build Specialists | Quality You Can Trust

TAGS: Tumwater custom home additions, Thurston County Home Additions, Olympia Master Builder, family-owned construction company, custom homes Tumwater WA, licensed contractors Tumwater.

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Why Homeowners Choose 4th Dimension Construction

Our process is designed to make your new construction experience hassle free.

From the first site walk to the final walkthrough, we keep you informed, on schedule, and in control—without forcing you to be the general contractor.

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One Team, One Contract
Design and construction handled in-house for speed and accountability.
Transparent Budgets
Line-item estimates, allowances, and milestone draws.
On-Time Delivery
Critical path scheduling and pre-ordering long-lead items.
Quality Built-In
Daily field supervision, QC checks, and clean job sites.
Permits & Inspectors
We coordinate with jurisdictions and handle correction cycles.
3D Visuals
Exterior/interior renderings to finalize selections early.
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Transparent line-item budgets for New Construction

Quality control at every phase • 3D renderings to reduce change orders

Get a FREE New Construction Quote
Where Time Meets Trust, Building Relationships Beyond the Moment.

Your Project, From Idea to Keys

Fast-track delivery by overlapping design and construction phases while maintaining cost visibility and quality control.

  • Project IdeaPermitting

    Plan sets, energy code forms, structural calculations, and inspector coordination.

  • Design-Build

    Collaborative design with 3D visuals and material samples; owner-approved selections integrated into the plan.

  • Engineering & Site

    Structural, civil, grading, drainage, stormwater, septic/sewer, and utilities.

  • Budgets & Pre-Construction

    Line-item estimates, clear markup/margins, allowances, and long-lead pre-orders.

  • Build & Inspections

    Daily supervision, subcontractor coordination, and scheduled phase inspections.

  • Home owner key hand offHandoff & Warranty

    Final walkthrough, punch, warranty review, and close-out documentation.

Frequently Asked Questions

Our process is designed to make your new construction experience hassle free.
1Do you handle permits?
Yes—full submittals and corrections, direct coordination with permit offices and inspectors.
2Can you work with my architect?
Absolutely. We can collaborate or serve as your full design-build team.
3How long does a typical build take?
Usually 9–14 months depending on jurisdiction, site conditions, and scope.
4How do you price projects?
Transparent line-item budgets with allowances and milestone draws, reviewed at each phase.

On-Time / On Budget Delivery

  • Critical path scheduling for every phase
  • Pre-ordering of long-lead materials
  • Written change order process for cost/schedule impact
  • Transparent monthly budget tracking
  • Final walkthrough, warranty review, and handoff
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Ready to build with clarity and confidence?

Proudly Serving, Olympia, Lacey, Tumwater, Yelm, Tenino, Rainier, Bucoda, Chehalis, Centralia, Napavine, Winlock, Pe Ell, Vader, Morton, Mossyrock, Toledo, In Thurston & Lewis Counties.

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View Our New Construction On Social Media

Transform your home into a stunning space like these with 4th Dimension Construction home remodels!

💥 Kicking off our first day at #IBS2025 in Las Vegas! From groundbreaking tech to inspiring designs, we’re here to bring the best back to our clients.
💥 Let’s build the future! 🔨🏗️
#4DVegasStyle #ibsvegas #4dconstructionhomeremodel
#letsgo #pnwcontractors

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💥 Kicking off our first day at #IBS2025 in Las Vegas! From groundbreaking tech to inspiring designs, we’re here to bring the best back to our clients. 💥 Let’s build the future! 🔨🏗️ #4DVegasStyle #ibsvegas #4dconstructionhomeremodel #letsgo #pnwcontractors

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Schedule A FREE New Construction Estimate Today

Get New Construction Quote Started
Ready to bring your dream home to life?
Call us at (360) 819-8075 or fill out our online form to request your free, no-obligation estimate. Let 4th Dimension Construction, the trusted Tumwater custom home builder, guide you every step of the way!
 

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