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
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
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
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
Closed until: Mon 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.
Boise
Treasure Valley
Cascade
Donelly
Idaho City
Garden Valley
Pine
Sun Valley
McCall
Garden Valley
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
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.
2 x 4
2 x 6
2 x 8
2 x 10
2 x 12
4 x 4
8 x 8
+ Custom Orders
Dimensional Lumber
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.
2 x 4
2 x 6
2 x 8
2 x 10
2 x 12
4 x 4
8 x 8
+ Custom Orders
Dimensional Lumber
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.
2 x 4
2 x 6
2 x 8
2 x 10
2 x 12
4 x 4
8 x 8
+ Custom Orders
Plywood & OSB
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.
3 / 8
7 / 16
5 / 8
3 / 4
7 / 8
1 - 1 / 8
Zip
CDX
+ Custom Orders
Plywood & OSB
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.
3 / 8
7 / 16
5 / 8
3 / 4
7 / 8
1 - 1 / 8
Zip
CDX
+ Custom Orders
Plywood & OSB
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.
3 / 8
7 / 16
5 / 8
3 / 4
7 / 8
1 - 1 / 8
Zip
CDX
+ Custom Orders
Engineered 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.
LVL
Glulam
I-Joist
+ Custom Orders
Engineered 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.
LVL
Glulam
I-Joist
+ Custom Orders
Engineered 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.
LVL
Glulam
I-Joist
+ Custom Orders
Trim
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.
Exterior
Interior
Base
Casing
+ Custom Orders
Trim
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.
Exterior
Interior
Base
Casing
+ Custom Orders
Trim
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.
Exterior
Interior
Base
Casing
+ Custom Orders
Posts & Timbers
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.
4 x 4
6 x 6
8 x 8
6 x 12
+ Custom Orders
Posts & Timbers
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.
4 x 4
6 x 6
8 x 8
6 x 12
+ Custom Orders
Posts & Timbers
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.
4 x 4
6 x 6
8 x 8
6 x 12
+ Custom Orders
Decking
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.
Cedar
Trex
Cedar
TimberTech
Fiberon
Sylvanix
Sun Frog Stains
+ Custom Orders
Decking
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.
Cedar
Trex
Cedar
TimberTech
Fiberon
Sylvanix
Sun Frog Stains
+ Custom Orders
Decking
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.
Cedar
Trex
Cedar
TimberTech
Fiberon
Sylvanix
Sun Frog Stains
+ Custom Orders
Trusses
Made-to-order roof trusses — scissor, gable, or hip designs built to spec. Delivered job-site ready across the Treasure Valley.
Scissor
Gable
Hip
Made-to-Order
+ Custom Orders
Trusses
Made-to-order roof trusses — scissor, gable, or hip designs built to spec. Delivered job-site ready across the Treasure Valley.
Scissor
Gable
Hip
Made-to-Order
+ Custom Orders
Trusses
Made-to-order roof trusses — scissor, gable, or hip designs built to spec. Delivered job-site ready across the Treasure Valley.
Scissor
Gable
Hip
Made-to-Order
+ Custom Orders
Siding
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.
James Hardie
LP® SmartSide®
Allura
Cedar Boards
Cottage Lap
Pine Boards
+ Custom Orders
Siding
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.
James Hardie
LP® SmartSide®
Allura
Cedar Boards
Cottage Lap
Pine Boards
+ Custom Orders
Siding
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.
James Hardie
LP® SmartSide®
Allura
Cedar Boards
Cottage Lap
Pine Boards
+ Custom Orders
Sheetrock & Drywall
Standard and mold-resistant drywall in common sizes — ready for pickup or delivery across the Treasure Valley.
1 / 2
5 / 8
4 x 8
5 x 12
Mold
+ Custom Orders
Sheetrock & Drywall
Standard and mold-resistant drywall in common sizes — ready for pickup or delivery across the Treasure Valley.
1 / 2
5 / 8
4 x 8
5 x 12
Mold
+ Custom Orders
Sheetrock & Drywall
Standard and mold-resistant drywall in common sizes — ready for pickup or delivery across the Treasure Valley.
1 / 2
5 / 8
4 x 8
5 x 12
Mold
+ Custom Orders
Hardware & Fasteners
Fasteners sold by the piece or pound — plus brackets, hangers, and more for any build.
Fasteners
Hangers
Adhesives
Connectors
+ Custom Orders
Hardware & Fasteners
Fasteners sold by the piece or pound — plus brackets, hangers, and more for any build.
Fasteners
Hangers
Adhesives
Connectors
+ Custom Orders
Hardware & Fasteners
Fasteners sold by the piece or pound — plus brackets, hangers, and more for any build.
Fasteners
Hangers
Adhesives
Connectors
+ Custom Orders
Doors & Windows
Interior and exterior doors from trusted brands — ask about custom sizing and upgrade options.
Interior
Exterior
Custom Options
+ Custom Orders
Doors & Windows
Interior and exterior doors from trusted brands — ask about custom sizing and upgrade options.
Interior
Exterior
Custom Options
+ Custom Orders
Doors & Windows
Interior and exterior doors from trusted brands — ask about custom sizing and upgrade options.
Interior
Exterior
Custom Options
+ Custom Orders
Special Orders
Need something specific? We source hard-to-find materials and custom millwork to keep your project moving.
Interior
Exterior
Custom Options
+ Custom Orders
Special Orders
Need something specific? We source hard-to-find materials and custom millwork to keep your project moving.
Interior
Exterior
Custom Options
+ Custom Orders
Special Orders
Need something specific? We source hard-to-find materials and custom millwork to keep your project moving.
Interior
Exterior
Custom Options
+ Custom Orders
Lumber & Trim by the Foot.
Less Waste, Time Saved.
Lumber & Trim by the Foot.
No Waste, No Guesswork.
Lumber & Trim by the Foot.
Order only what you need — from 2x4s dimensional length to cedar siding, with precise cuts and minimal waste on every job.
Order only what you need — from 2x4s dimensional length to cedar siding, with precise cuts and minimal waste on every job.
Trusted by Pros in the Treasure Valley
Why Contractors Choose Us 🪜
Why Builders Choose Us
Why Contractors 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.
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.
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.
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!
Prefer a Instant Quote?
Skip the long form — most quotes take just one quick call.
Get pricing, availability, and next steps in under 15 minutes.
Average Quote: 15 minutes
Average Quote: 15 min
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