• Retrofit Post Bases

    Retrofit Post Bases

    Retrofit Post Bases

  • Cast-In Place Post Bases

    Cast-In Place Post Bases

    Cast-In Place Post Bases

  • Decorative Post Bases

    Decorative Post Bases

    Decorative Post Bases

  • Fence Post Bases

    Fence Post Bases

    Fence Post Bases

Post Bases

  • Simpson ABA44Z 4x4 Adjustable Post Base Zmax Finish image 1 of 6
    SKU: ABA44Z

    Simpson ABA Adjustable Post Base - ZMAX Finish

    4 Post size
    • Load Capacity: Engineered to withstand high uplift loads, making it ideal for longterm performance.
    • Versatile Application: Intended for use with 4x4 lumber with a slotted base for adjustable installation.
    Post Size:
    4x4 4x6 6x6 Double 2x4
    STARTING AT
    $9.89
    Ships today when you order in the next 56 minutes
  • Simpson RPBZ Retrofit Post Base Zmax Finish image 1 of 5
    SKU: RPBZ

    Simpson RPBZ Retrofit Post Base - Zmax Finish

    • Connection Type: Designed to reinforce existing posts and columns provide a secure connection.
    • Lumber Size: Intended for use with (2) 2x4 or larger posts/columns.
    Ships today when you order in the next 56 minutes
    $7.30
    Sale 7.30
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  • Simpson ABU44Z 4x4 Adjustable Post Base - Zmax Finish
    SKU: ABU44Z

    Simpson ABU Adjustable Post Base - ZMAX Finish

    6 Post size
    • Increased Load Capacity: Engineered to withstand higher uplift loads, making it ideal for areas prone to earthquakes or high winds.
    • Versatile Application: Intended for use with 4x4 lumber with a slotted base for adjustable installation.
    Post Size:
    4x4 4x6 6x6 8x8 10x10 12x12
    STARTING AT
    $25.99
    Ships today when you order in the next 56 minutes
  • Simpson CBT4Z Concealed Beam Tie Zmax Finish image 1 of 3
    SKU: CBT4Z-KT

    Simpson CBT4Z Concealed Beam Tie - Zmax Finish

    Ships today when you order in the next 56 minutes
    $54.99
    Sale 54.99
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  • Simpson PBS66 6x6 Post Base Stand Off G90 Galvanized
    SKU: PBS66

    Simpson PBS66 6x6 Post Base Stand Off - G90 Galvanized

    2 Post size
    • Connection Type: Designed to be cast-in-place in concrete and provide a secure connection between a post.
    • Lumber Size: Intended for use with 6x6 posts/columns.
    Post Size:
    4x6 6x6
    STARTING AT
    $24.10
    Ships today when you order in the next 56 minutes
  • Simpson CPT44Z Concealed Post Tie For 4x4 Posts Zmax Finish image 1 of 7
    SKU: CPT44Z

    CPTZ Concealed Post Tie - ZMAX Finish

    3 Post size
    • Load Capacity: Engineered to withstand high uplift loads, making it ideal for longterm performance.
    • Concealed Base: Intended for use with 4x4 lumber with a knife-blade style connector designed to slide into a slot cut into the post.
    Post Size:
    4x4 6x6 8x8
    STARTING AT
    $39.50
    Ships today when you order in the next 56 minutes
  • Simpson MPB44Z 4x4 Moment Post Base Zmax Finish image 1 of 3
    SKU: MPB44Z

    Simpson MPBZ Moment Post Base - ZMAX Finish

    3 Post size
    • Connection Type: Designed to provide moment resistance for columns and posts and the sleeve design resists rotation around the base.
    • Lumber Size: Intended for use with 4x4 posts/columns.
    Post Size:
    4x4 6x6 8x8
    STARTING AT
    $173.75
    Ships today when you order in the next 56 minutes
  • Simpson PB66 6x6 Post Base G90 Galvanized image 1 of 2
    SKU: PB66

    Simpson PB66 6x6 Post Base - G90 Galvanized

    3 Post size
    • Connection Type: Designed to be cast-in-place in concrete and provide a secure connection between a post.
    • Lumber Size: Intended for use with 6x6 posts/columns.
    Post Size:
    4x4 4x6 6x6
    STARTING AT
    $12.15
    Ships today when you order in the next 56 minutes
  • Simpson APVB44 Avant Ornamental 4x4 Post Base Black Powder Coat image 1 of 4
    SKU: APVB44

    Simpson Outdoor Accents APVB Adjustable Post Base - ZMAX & Black Powder Coat

    8 Post size
    • Perfect for outdoor projects such as pergolas
    • Durable back powder coating over ZMAX finish
    Post Size:
    4X4 4X4 Rough 6X6 6X6 Rough 8X8 8X8 Rough 10X10 10X10 Rough
    STARTING AT
    $25.53
    Ships today when you order in the next 56 minutes
  • Simpson CBT2Z Concealed Beam Tie Zmax Finish image 1 of 3
    SKU: CBT2Z-KT

    Simpson CBT2Z Concealed Beam Tie - Zmax Finish

    Ships today when you order in the next 56 minutes
    $42.99
    Sale 42.99
    You Save 0%
  • Simpson PBS66HDG 6x6 Post Base Stand Off Hot Dip Galvanized
    SKU: PBS66HDG

    Simpson PBS66HDG 6x6 Post Base Stand Off - Hot Dip Galvanized

    • Connection Type: Designed to be cast-in-place in concrete and provide a secure connection between a post.
    • Lumber Size: Intended for use with 6x6 posts/columns.
    Ships today when you order in the next 56 minutes
    $51.99
    Sale 51.99
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  • Simpson ABU44RZ Rough Cut 4x4 Adjustable Post Base - Zmax Finish
    SKU: ABU44RZ

    Simpson ABU Rough Cut Adjustable Post Base - ZMAX Finish

    6 Post size
    • Increased Load Capacity: Engineered to withstand higher uplift loads, making it ideal for areas prone to earthquakes or high winds.
    • Versatile Application: Intended for use with Rough Cut 4x4 lumber with a slotted base for adjustable installation.
    Post Size:
    Rough Cut 4x4 Rough Cut 4x6 Rough Cut 6x6 Rough Cut 8x8 Rough Cut 10x10 Rough Cut 12x12
    STARTING AT
    $27.99
    Ships today when you order in the next 56 minutes
  • Simpson ABW44Z 4x4 Adjustable Post Base - Zmax Finish
    SKU: ABW44Z

    Simpson ABW Adjustable Post Base - ZMAX

    3 Post size
    • Increased Load Capacity: Engineered to withstand higher lateral and uplift loads, making it ideal for structures like pergolas or gazebos that require additional stability.
    • Versatile Application: Intended for use with 4x4 lumber with a slotted base for adjustable installation.
    Post Size:
    4x4 4x6 6x6
    STARTING AT
    $16.99
    Ships today when you order in the next 56 minutes
  • Simpson PB44 4x4 Post Base G90 Galvanized image 1 of 2
    SKU: PB44

    Simpson Post Base - G90 Galvanized

    3 Post size
    • Connection Type: Designed to be cast-in-place in concrete and provide a secure connection between a post.
    • Lumber Size: Intended for use with 4x4 posts/columns.
    Post Size:
    4x4 4x6 6x6
    STARTING AT
    $12.15
    Ships today when you order in the next 56 minutes
  • Simpson PPB664Z 6X6 Porch Post Base 4 inch Depth Zmax Finish image 1 of 2
    SKU: PPB66-4Z

    Simpson PPB66-4Z 6X6 Porch Post Base 4" Depth - Zmax Finish

    • Connection Type: Designed to offer a simplified, one-time installation designed to support permanent porch framing throughout all stages of construction
    • Lumber Size: Intended for use with 6x6 posts/columns.
    Ships today when you order in the next 56 minutes
    $126.75
    Sale 126.75
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  • Simpson ABU44SS 4x4 Stainless Steel Adjustable Post Base
    SKU: ABU44SS

    Simpson ABU Adjustable Post Base - Stainless Steel

    4 Post size
    • Increased Load Capacity: Engineered to withstand higher uplift loads, making it ideal for areas prone to earthquakes or high winds.
    • Versatile Application: Intended for use with 4x4 lumber with a slotted base for adjustable installation.
    Post Size:
    4x4 4x6 6x6 8x8
    STARTING AT
    $126.87
    Ships today when you order in the next 56 minutes
  • Simpson ABA44RZ Rough Cut 4x4 Adjustable Post Base
    SKU: ABA44RZ

    Simpson ABA Rough Cut Adjustable Post Base - ZMAX Finish

    3 Post size
    • Load Capacity: Engineered to withstand high uplift loads, making it ideal for longterm performance.
    • Versatile Application: Intended for use with Rough Cut 4x4 lumber with a slotted base for adjustable installation.
    Post Size:
    Rough Cut 4x4 Rough Cut 4x6 Rough Cut 6x6
    STARTING AT
    $13.75
    Ships today when you order in the next 56 minutes
  • Simpson PBS44AZ 4x4 Post Base Stand Off ZMAX Finish image 1 of 2
    SKU: PBS44AZ

    Simpson PBS44AZ 4x4 Post Base Stand Off - ZMAX Finish

    • Connection Type: Designed to be cast-in-place in concrete and provide a secure connection between a post.
    • Lumber Size: Intended for use with 4x4 posts/columns.
    Ships today when you order in the next 56 minutes
    $22.43
    Sale 22.43
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  • Simpson EPB44PHDG 4x4 Elevated Post Base Hot Dip Galvanized
    SKU: EPB44PHDG

    Simpson EPB44PHDG 4x4 Elevated Post Base - Hot Dip Galvanized

    • Connection Type: Designed to provide an elevated post base and cast-in-place into concrete.
    • Lumber Size: Intended for use with posts/columns.
    Ships today when you order in the next 56 minutes
    $23.99
    Sale 23.99
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  • Simpson FPBB44 EZ Retrofit Post Base Black Powder Coated image 1 of 3
    SKU: FPBB44

    Simpson FPBB44 E-Z Retrofit Post Base - Black Powder Coated

    Ships Oct 27 when you order now
    $26.45
    Sale 26.45
    You Save 0%
  • Simpson PPBF66 6x6 Adjustable Porch Post Base- Gray Painted
    SKU: PPBF66

    Simpson PPBF66 6x6 Adjustable Porch Post Base- Gray Painted

    • Connection Type: Designed to offer a simplified, one-time installation designed to support permanent porch framing throughout all stages of construction
    • Lumber Size: Intended for use with 6x6 posts/columns and can accommodate porch-slab thicknesses from 4 to 12 inches.
    Ships Oct 27 when you order now
    $105.75
    Sale 105.75
    You Save 0%
  • Simpson EPB44HDG 4x4 Elevated Post Base Hot Dip Galvanized image 1 of 2
    SKU: EPB44HDG

    EPB Elevated Post Base - Hot Dip Galvanized

    3 Post size
    • Connection Type: Designed to provide an elevated post base and cast-in-place into concrete.
    • Lumber Size: Intended for use with posts/columns.
    Post Size:
    4x4 4x6 6x6
    STARTING AT
    $25.99
    Ships Oct 27 when you order now
  • Simpson PB66Z 6x6 Post Base Zmax Finish image 1 of 2
    SKU: PB66Z

    Simpson PB66Z 6x6 Post Base - Zmax Finish

    2 Post size
    • Connection Type: Designed to be cast-in-place in concrete and provide a secure connection between a post.
    • Lumber Size: Intended for use with 6x6 posts/columns.
    Post Size:
    4x4 6x6
    STARTING AT
    $13.99
    Ships today when you order in the next 56 minutes
  • Simpson PB46 4x6 Post Base G90 Galvanized
    SKU: PB46

    Simpson PB46 4x6 Post Base - G90 Galvanized

    3 Post size
    • Connection Type: Designed to be cast-in-place in concrete and provide a secure connection between a post.
    • Lumber Size: Intended for use with 4x6 posts/columns.
    Post Size:
    4x4 4x6 6x6
    STARTING AT
    $12.15
    Ships today when you order in the next 56 minutes
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Simpson Post Bases

Post bases are essential components for anchoring posts and columns to the ground or other structures, ensuring stability and support. This guide explores various types of post bases and their specific applications, including popular options like the 4x4 post bases, 6x6 post bases, and concrete post bases.

Types of Post Bases

  • Retrofit Post Bases: Installed after the concrete foundation has set and cured.
  • Cast-in Place Post Bases: Installed in the formwork, with concrete poured around them, creating a durable cement post base.
  • Fence Post Bases: Designed specifically for fence posts with unique features.
  • Decorative Post Bases: Enhance the aesthetic appeal of outdoor structures with black powder-coated finishes and options for decorative 4x4 post base or decorative 6x6 post base.

Simpson Retrofit Post Base Options

  • ABA/ABU/ABW Adjustable Post Bases: Versatile bases for various construction scenarios.
    • ABA: Basic adjustable post base for general applications and ideal as a deck post base.
    • ABU: Adjustable with additional support for heavier applications.
    • ABW: Adjustable with wraparound support for three sides of the post base.
  • RPBZ Retrofit Post Bases: Strengthens existing posts and columns, suitable for reinforcing old posts and connecting new ones. Perfect for fence post anchors.
  • CPTZ Concealed Post Ties: Offers a sleek, hidden appearance while preventing rot and meeting building codes for post anchors for 4x4 posts.

Simpson Cast-In Place Post Base Options

  • MPBZ Moment Post Bases: Enhances the stability of posts or columns, preventing twisting and creating a secure concrete post base - particularly for carports.
  • PB/PBS Regular & Standoff Post Bases:
    • PB: Suitable for minimal moisture exposure and aesthetic application.
    • PBS: Ideal for outdoor structures exposed to weather, preventing moisture decay.
  • EPB Elevated Post Bases: Maintains elevation from the ground to prevent rot at the base of the post, suitable for cement post holder.
  • PPBZ Porch Post Bases: Supports the framing of porches, handling the weight of porch frames and roof overhangs, ideal as a porch post base.
  • Adjustable Porch Post Bases: Eliminates the need for temporary vertical supports and allows for height adjustments during construction.

Simpson Fence Post Options

  • E-Z Fence Post Series:
    • E-Z Post Menders: Reinforces weakened wood posts without replacing them, making it an excellent fence post base.
    • E-Z Retrofit Post Bases: Attaches 4x4 wood posts to existing concrete easily.
    • E-Z Fence Post Spikes: Quick setup without digging holes or pouring concrete.

Simpson Decorative Post Base Options

  • Decorative Post Bases: From the Simpson Outdoor Accents collection, these bases elevate wood columns from moisture and offer optional decorative side plates for enhanced aesthetic appeal. Options include ornamental post base and Simpson black post base.

Further Questions About Simpson Post Bases

Simpson Strong-Tie offers a wide variety of Post Bases and it can be daunting to decide which product best suits your needs. Our team of experts has a depth of knowledge in the fastener industry. If you have any additional questions check out our guide to Simpson Post Brackets, or be sure to reach out and we'll be glad to help.

Find it Fast. Get it Fast

If you have any questions about fastener options, please do not hesitate to reach out to our Product Experts at (888) 794-1590 or by email at customerservice@fastenersplus.com.