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20x20 Pergolas

We offer a wide selection of square 20x20 pergola kits, including both free-standing and house-attached kits, those with shade canopies and those made for a slatted wood roof, and some with smaller-sized posts & beams and others with larger ones. Use the filtering options below to quickly find the perfect 20' by 20' pergola for your backyard.

  SIMILAR SIZES:  18x18 pergolas  |  20x22 pergolas  |  22x20 pergolas  |  22x22 pergolas
  • Attached 20x20 Pergola Off House with Roof - Kit for 4x4 Wood Posts

    Original price Starting at $999
    Original price Starting at $999
    Original price $999
    Starting at $799
    Starting at $999 $799
    Current price $799
    Original price $999
    20% Off

    About this Pergola Kit Configuration: Type: Attached to house (see the free-standing version of this kit) Dimensions: 20' attached to house x 20' o...

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  • Freestanding 20x20 Pergola Kit with Roof - For 4x4 Wood Posts

    Original price Starting at $1,249
    Original price Starting at $1,249
    Original price $1,249
    Starting at $999
    Starting at $1,249 $999
    Current price $999
    Original price $1,249
    20% Off

    About this Pergola Kit Configuration: Type: Free-standing (see the attached version of this kit) Dimensions: 20' x 20' square Bracket size: 4x4 (s...

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  • Wall-Mounted 20' x 20' Pergola with Shade Covers (4) - Kit for 4x4 Wood Posts

    Original price $1,749
    Original price Starting at $1,749
    Original price $1,749
    Current price $1,399
    Original price $1,749
    Starting at $1,749 $1,399
    Current price $1,399
    Original price $1,749
    20% Off

  • 20' x 20' Pergola Attached to House with Roof - Kit for 6x6 Wood Posts

    Original price Starting at $1,879
    Original price Starting at $1,879
    Original price $1,879
    Starting at $1,499
    Starting at $1,879 $1,499
    Current price $1,499
    Original price $1,879
    20% Off

    About this Pergola Kit Configuration: Type: Attached to house (see the free-standing version of this kit) Dimensions: 20' attached to house x 20' o...

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  • Stand-Alone 20 x 20 Pergola with Canopies (4) - Kit for 4x4 Wood Posts

    Original price $1,999
    Original price Starting at $1,999
    Original price $1,999
    Current price $1,599
    Original price $1,999
    Starting at $1,999 $1,599
    Current price $1,599
    Original price $1,999
    20% Off

  • Free-Standing 20' x 20' Pergola with Roof - Kit for 6x6 Wood Posts

    Original price Starting at $2,499
    Original price Starting at $2,499
    Original price $2,499
    Starting at $1,999
    Starting at $2,499 $1,999
    Current price $1,999
    Original price $2,499
    20% Off

    About this Pergola Kit Configuration: Type: Free-standing (see the attached version of this kit) Dimensions: 20' x 20' square Bracket size: 6x6 (s...

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  • Attached 20 by 20 Pergola and Canopies (4) - Kit for 6x6 Wood Posts

    Original price $2,629
    Original price Starting at $2,629
    Original price $2,629
    Current price $2,099
    Original price $2,629
    Starting at $2,629 $2,099
    Current price $2,099
    Original price $2,629
    20% Off

  • 20x20 Covered Pergola with Sun Shades - Kit for 6x6 Wood Posts

    Original price $3,349
    Original price Starting at $3,349
    Original price $3,349
    Current price $2,679
    Original price $3,349
    Starting at $3,349 $2,679
    Current price $2,679
    Original price $3,349
    20% Off