An image of the storefront of Capital Lumber Company in Boise, Idaho

Boise's #1 Lumber Yard,
Fast Delivery of Building Materials

Capital Lumber is your local Boise lumber yard. Trusted by builders and homeowners for quality lumber, plywood, and engineered wood—delivered fast across the Treasure Valley.

Boise’s Local
Lumber Yard &
Building Store

An image of the storefront of Capital Lumber Company in Boise, Idaho

Boise's #1 Lumber Yard,
Fast Delivery of Building Materials

Capital Lumber is your local Boise lumber yard. Trusted by builders and homeowners for quality lumber, plywood, and engineered wood—delivered fast across the Treasure Valley.

Boise’s Local
Lumber Yard &
Building Store

An image of the storefront of Capital Lumber Company in Boise, Idaho

Boise's #1 Lumber Yard,
Fast Delivery of Building Materials

Capital Lumber is your local Boise lumber yard. Trusted by builders and homeowners for quality lumber, plywood, and engineered wood—delivered fast across the Treasure Valley.

Boise’s Local
Lumber Yard &
Building Store

An image of the storefront of Capital Lumber Company in Boise, Idaho

Boise's #1 Lumber Yard,
Fast Delivery of Building Materials

Capital Lumber is your local Boise lumber yard. Trusted by builders and homeowners for quality lumber, plywood, and engineered wood—delivered fast across the Treasure Valley.

Boise’s Local
Lumber Yard &
Building Store

Open Today - 7:30 AM - 5:30 PM

Delivery Calculator

After a thorough quality check, every order is either loaded by hand into your rig or delivered straight to your site — with low delivery fees and free delivery available in many areas once minimums are met.

We deliver to the following areas:

Boise

Treasure Valley

Cascade

Donelly

Idaho City

Garden Valley

Pine

Sun Valley

McCall

Garden Valley

The Capital Lumber Co brand icon.

Our Mission

Since 1905, we've been proud to serve our community with quality lumber, building materials, and hardware. Rooted in tradition and built on trust, our mission is to support builders, homeowners, and craftsmen with dependable products, knowledgeable service, and a commitment to helping our neighbors build with confidence and care.

Since 1905, we've been proud to serve our community with quality lumber, building materials, and hardware. Rooted in tradition and built on trust, our mission is to support builders, homeowners, and craftsmen with dependable products, knowledgeable service, and a commitment to helping our neighbors build with confidence and care.

Since 1905, we've been proud to serve our community with quality lumber, building materials, and hardware. Rooted in tradition and built on trust, our mission is to support builders, homeowners, and craftsmen with dependable products, knowledgeable service, and a commitment to helping our neighbors build with confidence and care.

Our Products

Our Products

Everything from structural lumber to fine finish trim — available by the foot, in-stock, and job-site ready.

Everything from structural lumber to fine finish trim — available by the foot, in-stock, and job-site ready.

Dimensional Lumber

Douglas-Fir Larch dimensional lumber boards stacked.

Premium dimensional lumber from trusted mills like Interfor — available in pine, cedar, and redwood. Stocked in pallet quantities for contractors, framers, and builders, with cut-length options for retail orders.

Available Stock:

2 x 4

2 x 6

2 x 8

2 x 10

2 x 12

4 x 4

8 x 8

+ Custom Orders

(208) 649-0601

Dimensional Lumber

Douglas-Fir Larch dimensional lumber boards stacked.

Premium dimensional lumber from trusted mills like Interfor — available in pine, cedar, and redwood. Stocked in pallet quantities for contractors, framers, and builders, with cut-length options for retail orders.

Available Stock:

2 x 4

2 x 6

2 x 8

2 x 10

2 x 12

4 x 4

8 x 8

+ Custom Orders

(208) 649-0601

Dimensional Lumber

Douglas-Fir Larch dimensional lumber boards stacked.

Premium dimensional lumber from trusted mills like Interfor — available in pine, cedar, and redwood. Stocked in pallet quantities for contractors, framers, and builders, with cut-length options for retail orders.

Available Stock:

2 x 4

2 x 6

2 x 8

2 x 10

2 x 12

4 x 4

8 x 8

+ Custom Orders

(208) 649-0601

Plywood & OSB

Stacks of plywood sheets stored on warehouse shelving.

Weyerhaeuser OSB and Boise Cascade plywood in full lift units for framing, subfloors, and roofing. From CDX to tongue-and-groove ZIP panels, we supply the sheathing builders depend on.

Available Stock:

3 / 8

7 / 16

5 / 8

3 / 4

7 / 8

1 - 1 / 8

Zip

CDX

+ Custom Orders

(208) 649-0601

Plywood & OSB

Stacks of plywood sheets stored on warehouse shelving.

Weyerhaeuser OSB and Boise Cascade plywood in full lift units for framing, subfloors, and roofing. From CDX to tongue-and-groove ZIP panels, we supply the sheathing builders depend on.

Available Stock:

3 / 8

7 / 16

5 / 8

3 / 4

7 / 8

1 - 1 / 8

Zip

CDX

+ Custom Orders

(208) 649-0601

Plywood & OSB

Stacks of plywood sheets stored on warehouse shelving.

Weyerhaeuser OSB and Boise Cascade plywood in full lift units for framing, subfloors, and roofing. From CDX to tongue-and-groove ZIP panels, we supply the sheathing builders depend on.

Available Stock:

3 / 8

7 / 16

5 / 8

3 / 4

7 / 8

1 - 1 / 8

Zip

CDX

+ Custom Orders

(208) 649-0601

Engineered Beams

An image of Trus Joist TJI I-Beams

Engineered beams from Allweather Wood and other leading suppliers, including LVL, Glulam, and I-Joists. Stocked in common sizes for strength and consistency — without long lead times.

Available Stock:

LVL

Glulam

I-Joist

+ Custom Orders

(208) 649-0601

Engineered Beams

An image of Trus Joist TJI I-Beams

Engineered beams from Allweather Wood and other leading suppliers, including LVL, Glulam, and I-Joists. Stocked in common sizes for strength and consistency — without long lead times.

Available Stock:

LVL

Glulam

I-Joist

+ Custom Orders

(208) 649-0601

Engineered Beams

An image of Trus Joist TJI I-Beams

Engineered beams from Allweather Wood and other leading suppliers, including LVL, Glulam, and I-Joists. Stocked in common sizes for strength and consistency — without long lead times.

Available Stock:

LVL

Glulam

I-Joist

+ Custom Orders

(208) 649-0601

Trim

Piles of wooden trim boards with smooth edges.

Interior and exterior trim from Woodgrain — including MDF profiles, finger-joint pine, and specialty moulding. From casing and baseboards to crown, chair rail, and panel moulds.

Available Stock:

Exterior

Interior

Base

Casing

+ Custom Orders

(208) 649-0601

Trim

Piles of wooden trim boards with smooth edges.

Interior and exterior trim from Woodgrain — including MDF profiles, finger-joint pine, and specialty moulding. From casing and baseboards to crown, chair rail, and panel moulds.

Available Stock:

Exterior

Interior

Base

Casing

+ Custom Orders

(208) 649-0601

Trim

Piles of wooden trim boards with smooth edges.

Interior and exterior trim from Woodgrain — including MDF profiles, finger-joint pine, and specialty moulding. From casing and baseboards to crown, chair rail, and panel moulds.

Available Stock:

Exterior

Interior

Base

Casing

+ Custom Orders

(208) 649-0601

Posts & Timbers

Pressure-treated timber posts with black metal brackets.

Pressure-treated timbers from Allweather Wood in popular dimensions — ideal for fences, barns, pergolas, decks, and large-scale framing. Stocked locally in job-ready sizes for quick pickup or delivery.

Available Stock:

4 x 4

6 x 6

8 x 8

6 x 12

+ Custom Orders

(208) 649-0601

Posts & Timbers

Pressure-treated timber posts with black metal brackets.

Pressure-treated timbers from Allweather Wood in popular dimensions — ideal for fences, barns, pergolas, decks, and large-scale framing. Stocked locally in job-ready sizes for quick pickup or delivery.

Available Stock:

4 x 4

6 x 6

8 x 8

6 x 12

+ Custom Orders

(208) 649-0601

Posts & Timbers

Pressure-treated timber posts with black metal brackets.

Pressure-treated timbers from Allweather Wood in popular dimensions — ideal for fences, barns, pergolas, decks, and large-scale framing. Stocked locally in job-ready sizes for quick pickup or delivery.

Available Stock:

4 x 4

6 x 6

8 x 8

6 x 12

+ Custom Orders

(208) 649-0601

Decking

Cross-section samples of pine, fir, cedar, and redwood boards.

Cedar, composite, and pressure-treated decking for every build — from patios to large-scale projects. Choose Trex, TimberTech, Fiberon, or premium cedar with stains and grooved profiles.

Available Stock:

Cedar

Trex

Cedar

TimberTech

Fiberon

Sylvanix

Sun Frog Stains

+ Custom Orders

(208) 649-0601

Decking

Cross-section samples of pine, fir, cedar, and redwood boards.

Cedar, composite, and pressure-treated decking for every build — from patios to large-scale projects. Choose Trex, TimberTech, Fiberon, or premium cedar with stains and grooved profiles.

Available Stock:

Cedar

Trex

Cedar

TimberTech

Fiberon

Sylvanix

Sun Frog Stains

+ Custom Orders

(208) 649-0601

Decking

Cross-section samples of pine, fir, cedar, and redwood boards.

Cedar, composite, and pressure-treated decking for every build — from patios to large-scale projects. Choose Trex, TimberTech, Fiberon, or premium cedar with stains and grooved profiles.

Available Stock:

Cedar

Trex

Cedar

TimberTech

Fiberon

Sylvanix

Sun Frog Stains

+ Custom Orders

(208) 649-0601

Trusses

Large wooden roof trusses stored outside on a job site.

Made-to-order roof trusses — scissor, gable, or hip designs built to spec. Delivered job-site ready across the Treasure Valley.

Available Stock:

Scissor

Gable

Hip

Made-to-Order

+ Custom Orders

(208) 649-0601

Trusses

Large wooden roof trusses stored outside on a job site.

Made-to-order roof trusses — scissor, gable, or hip designs built to spec. Delivered job-site ready across the Treasure Valley.

Available Stock:

Scissor

Gable

Hip

Made-to-Order

+ Custom Orders

(208) 649-0601

Trusses

Large wooden roof trusses stored outside on a job site.

Made-to-order roof trusses — scissor, gable, or hip designs built to spec. Delivered job-site ready across the Treasure Valley.

Available Stock:

Scissor

Gable

Hip

Made-to-Order

+ Custom Orders

(208) 649-0601

Siding

Display wall with horizontal siding samples in various colors and materials.

Order top siding brands like James Hardie, LP, and Allura through Capital — with local pickup or job-site delivery available. Plus, cedar and pine boards stocked on-site for small repairs and custom projects.

Available Stock:

James Hardie

LP® SmartSide®

Allura

Cedar Boards

Cottage Lap

Pine Boards

+ Custom Orders

(208) 649-0601

Siding

Display wall with horizontal siding samples in various colors and materials.

Order top siding brands like James Hardie, LP, and Allura through Capital — with local pickup or job-site delivery available. Plus, cedar and pine boards stocked on-site for small repairs and custom projects.

Available Stock:

James Hardie

LP® SmartSide®

Allura

Cedar Boards

Cottage Lap

Pine Boards

+ Custom Orders

(208) 649-0601

Siding

Display wall with horizontal siding samples in various colors and materials.

Order top siding brands like James Hardie, LP, and Allura through Capital — with local pickup or job-site delivery available. Plus, cedar and pine boards stocked on-site for small repairs and custom projects.

Available Stock:

James Hardie

LP® SmartSide®

Allura

Cedar Boards

Cottage Lap

Pine Boards

+ Custom Orders

(208) 649-0601

Sheetrock & Drywall

Pallets of stacked drywall sheets inside a warehouse.

Standard and mold-resistant drywall in common sizes — ready for pickup or delivery across the Treasure Valley.

Available Stock:

1 / 2

5 / 8

4 x 8

5 x 12

Mold

+ Custom Orders

(208) 649-0601

Sheetrock & Drywall

Pallets of stacked drywall sheets inside a warehouse.

Standard and mold-resistant drywall in common sizes — ready for pickup or delivery across the Treasure Valley.

Available Stock:

1 / 2

5 / 8

4 x 8

5 x 12

Mold

+ Custom Orders

(208) 649-0601

Sheetrock & Drywall

Pallets of stacked drywall sheets inside a warehouse.

Standard and mold-resistant drywall in common sizes — ready for pickup or delivery across the Treasure Valley.

Available Stock:

1 / 2

5 / 8

4 x 8

5 x 12

Mold

+ Custom Orders

(208) 649-0601

Hardware & Fasteners

Bins filled with nails, screws, and other fasteners in a hardware store.

Fasteners sold by the piece or pound — plus brackets, hangers, and more for any build.

Available Stock:

Fasteners

Hangers

Adhesives

Connectors

+ Custom Orders

(208) 649-0601

Hardware & Fasteners

Bins filled with nails, screws, and other fasteners in a hardware store.

Fasteners sold by the piece or pound — plus brackets, hangers, and more for any build.

Available Stock:

Fasteners

Hangers

Adhesives

Connectors

+ Custom Orders

(208) 649-0601

Hardware & Fasteners

Bins filled with nails, screws, and other fasteners in a hardware store.

Fasteners sold by the piece or pound — plus brackets, hangers, and more for any build.

Available Stock:

Fasteners

Hangers

Adhesives

Connectors

+ Custom Orders

(208) 649-0601

Doors & Windows

Multiple wooden doors standing upright in a showroom.

Interior and exterior doors from trusted brands — ask about custom sizing and upgrade options.

Available Stock:

Interior

Exterior

Custom Options

+ Custom Orders

(208) 649-0601

Doors & Windows

Multiple wooden doors standing upright in a showroom.

Interior and exterior doors from trusted brands — ask about custom sizing and upgrade options.

Available Stock:

Interior

Exterior

Custom Options

+ Custom Orders

(208) 649-0601

Doors & Windows

Multiple wooden doors standing upright in a showroom.

Interior and exterior doors from trusted brands — ask about custom sizing and upgrade options.

Available Stock:

Interior

Exterior

Custom Options

+ Custom Orders

(208) 649-0601

Special Orders

Wooden boards and millwork laid out on a workshop floor.

Need something specific? We source hard-to-find materials and custom millwork to keep your project moving.

Available Stock:

Interior

Exterior

Custom Options

+ Custom Orders

(208) 649-0601

Special Orders

Wooden boards and millwork laid out on a workshop floor.

Need something specific? We source hard-to-find materials and custom millwork to keep your project moving.

Available Stock:

Interior

Exterior

Custom Options

+ Custom Orders

(208) 649-0601

Special Orders

Wooden boards and millwork laid out on a workshop floor.

Need something specific? We source hard-to-find materials and custom millwork to keep your project moving.

Available Stock:

Interior

Exterior

Custom Options

+ Custom Orders

(208) 649-0601

A background image of wood

Lumber & Trim by the Foot.
Less Waste, Time Saved.

Lumber & Trim by the Foot.
No Waste, No Guesswork.

Order only what you need — from 2x2s to redwood siding, with precise cuts and minimal waste on every job.

Order only what you need — from 2x2s to redwood siding, with precise cuts and minimal waste on every job.

Trusted by Pros in the Treasure Valley

Why Contractors Choose Us 🪜

Why Contractors Choose Us 🪜

Why Builders Choose Us

Locally Owned Since 1905

A century of trusted service, rooted right here in the Boise community.

A century of trusted service, rooted right here in the Boise community.

On-Time Delivery Guarantee

Materials arrive on time, every time — no delays, no excuses.

Materials arrive on time, every time — no delays, no excuses.

Flexible Net 30 Terms

Keep projects moving with flexible billing and 30-day payment terms.

Keep projects moving with flexible billing and 30-day payment terms.

Need a custom order or fast turnaround?

Follow Capital Lumber

Follow Capital Lumber

Follow us on Instagram for behind-the-scenes updates, real project inspiration, and the latest arrivals at the yard.

Follow us on Instagram for behind-the-scenes updates, real project inspiration, and the latest arrivals at the yard.

FAQs

Frequently Asked Questions

Answers to common questions to help you understand the process and how we can work together

Answers to common questions to help you understand the process and how we can work together

Do you offer delivery?

Yes — we deliver across the Treasure Valley and beyond, including Cascade, Donnelly, McCall, Idaho City, Garden Valley, Pine, and Sun Valley. Free delivery may be available on qualifying orders.

Can I return unused materials?

Do you sell lumber by the foot?

Do you help load orders?

What if I visit after hours?

Do you offer delivery?

Yes — we deliver across the Treasure Valley and beyond, including Cascade, Donnelly, McCall, Idaho City, Garden Valley, Pine, and Sun Valley. Free delivery may be available on qualifying orders.

Can I return unused materials?

Do you sell lumber by the foot?

Do you help load orders?

What if I visit after hours?

Do you offer delivery?

Yes — we deliver across the Treasure Valley and beyond, including Cascade, Donnelly, McCall, Idaho City, Garden Valley, Pine, and Sun Valley. Free delivery may be available on qualifying orders.

Can I return unused materials?

Do you sell lumber by the foot?

Do you help load orders?

What if I visit after hours?

Have a question? Ready for a quote? Let’s talk!

What do you need help with?

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    Capital Lumber Co.

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    Capital Lumber Co.

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A background image of pine wood.
  • Capital Lumber Co.

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    Locally Owned

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    Northend

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    Capital Lumber Co.

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    Locally Owned

    ·

    Northend

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    Capital Lumber Co.

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    Locally Owned

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A background image of pine wood.
  • Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

    Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

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    Capital Lumber Co.

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    Locally Owned

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    Northend

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