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

All Products

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

All Products

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

All Products

Supplying the highest quality products that stand the test of time.

(208) 470-7888

(208) 470-7888

(208) 470-7888

Stack of dimensional lumber showing smooth planed surfaces and visible grain patterns of Douglas Fir boards.

Dimensional Lumber

Stack of dimensional lumber showing smooth planed surfaces and visible grain patterns of Douglas Fir boards.

Dimensional Lumber

Stack of dimensional lumber showing smooth planed surfaces and visible grain patterns of Douglas Fir boards.

Dimensional Lumber

Close-up of heavy timber joinery showing interlocking Douglas Fir beams with traditional wood pegs.

Posts & Timbers

Close-up of heavy timber joinery showing interlocking Douglas Fir beams with traditional wood pegs.

Posts & Timbers

Close-up of heavy timber joinery showing interlocking Douglas Fir beams with traditional wood pegs.

Posts & Timbers

Stack of construction sheathing showing layers of ZIP System panel, plywood, and OSB — illustrating the range of structural panels available at Capital Lumber.

Plywood & OSB

Stack of construction sheathing showing layers of ZIP System panel, plywood, and OSB — illustrating the range of structural panels available at Capital Lumber.

Plywood & OSB

Stack of construction sheathing showing layers of ZIP System panel, plywood, and OSB — illustrating the range of structural panels available at Capital Lumber.

Plywood & OSB

Assorted trim and moulding boards in MDF, oak, and pine — showing baseboard and casing profiles used for interior finishing.

Trim & Millwork

Assorted trim and moulding boards in MDF, oak, and pine — showing baseboard and casing profiles used for interior finishing.

Trim & Millwork

Assorted trim and moulding boards in MDF, oak, and pine — showing baseboard and casing profiles used for interior finishing.

Trim & Millwork

Modern composite deck overlooking a lake, featuring warm brown boards and minimalist outdoor seating — example of Trex and TimberTech-style decking.

Decking

Modern composite deck overlooking a lake, featuring warm brown boards and minimalist outdoor seating — example of Trex and TimberTech-style decking.

Decking

Modern composite deck overlooking a lake, featuring warm brown boards and minimalist outdoor seating — example of Trex and TimberTech-style decking.

Decking

Cutaway view of engineered wood beams including LVL, LSL, and I-joist profiles — examples of Weyerhaeuser Microllam, TimberStrand, and TJI structural products.

Engineered Beams

Cutaway view of engineered wood beams including LVL, LSL, and I-joist profiles — examples of Weyerhaeuser Microllam, TimberStrand, and TJI structural products.

Engineered Beams

Cutaway view of engineered wood beams including LVL, LSL, and I-joist profiles — examples of Weyerhaeuser Microllam, TimberStrand, and TJI structural products.

Engineered Beams

Comparison of engineered wood and real cedar siding textures — showing TruWood and natural wood lap siding finishes.

Siding

Comparison of engineered wood and real cedar siding textures — showing TruWood and natural wood lap siding finishes.

Siding

Comparison of engineered wood and real cedar siding textures — showing TruWood and natural wood lap siding finishes.

Siding

Wood roof trusses under construction with metal connector plates — pre-engineered framing for residential and commercial roofs.

Trusses

Wood roof trusses under construction with metal connector plates — pre-engineered framing for residential and commercial roofs.

Trusses

Wood roof trusses under construction with metal connector plates — pre-engineered framing for residential and commercial roofs.

Trusses

Stacks of drywall and sheetrock panels stored on racks at Capital Lumber’s Boise warehouse — including American Gypsum and CertainTeed M2Tech boards.

Sheetrock & Drywall

Stacks of drywall and sheetrock panels stored on racks at Capital Lumber’s Boise warehouse — including American Gypsum and CertainTeed M2Tech boards.

Sheetrock & Drywall

Stacks of drywall and sheetrock panels stored on racks at Capital Lumber’s Boise warehouse — including American Gypsum and CertainTeed M2Tech boards.

Sheetrock & Drywall

Assorted screws, bolts, washers, nuts, and anchors displayed on a work surface — representing Capital Lumber’s full selection of hardware and fasteners.

Hardware & Fasteners

Assorted screws, bolts, washers, nuts, and anchors displayed on a work surface — representing Capital Lumber’s full selection of hardware and fasteners.

Hardware & Fasteners

Assorted screws, bolts, washers, nuts, and anchors displayed on a work surface — representing Capital Lumber’s full selection of hardware and fasteners.

Hardware & Fasteners

Interior warehouse view showing pre-hung interior doors in various styles and finishes stocked at Capital Lumber.

Doors & Windows

Interior warehouse view showing pre-hung interior doors in various styles and finishes stocked at Capital Lumber.

Doors & Windows

Interior warehouse view showing pre-hung interior doors in various styles and finishes stocked at Capital Lumber.

Doors & Windows

Stack of 12×12 rough-cut timbers prepared for a custom lumber order at Capital Lumber’s Boise yard.

Special Orders

Stack of 12×12 rough-cut timbers prepared for a custom lumber order at Capital Lumber’s Boise yard.

Special Orders

Stack of 12×12 rough-cut timbers prepared for a custom lumber order at Capital Lumber’s Boise yard.

Special Orders

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

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    Northend

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    Capital Lumber Co.

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    Locally Owned

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    Northend

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A background image of pine wood.

  • Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

    Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

    Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

A background image of pine wood.

  • Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

    Capital Lumber Co.

    ·

    Locally Owned

    ·

    Northend

    ·

    Capital Lumber Co.

    ·

    Locally Owned

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    Northend

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Open Today - 7:30 AM - 5:00 PM

Open Today - 7:30 AM - 5:00 PM