RMB40 – 30×40 Metal Building for Storage & Family Space

Building Starts at: $ 67,930.82

  • 40x40x12 Overall Dimension
    • 30x40x12 Main Building
    • 10×40 Side Lean-to
      • Enclosed at 15′
  • Weld Up Framing
  • 26G PBR Panels
  • All Vertical, 2-tone Panels
  • 3/12 Roof Pitch
  • 2′ Overhang
  • 3 – Insulated Overhead Garage Doors + High Tracks+ Openers ($17,863.00 Incl.)
  • 3 – 36×84 Heavy Duty Steel Doors ($3,999.00 Incl.)
  • 4 – 36×36 Double Pane Windows ($1,928.00 Incl.)
  • 7 – Custom Frameouts (windows and walk-in door)
    • Client provided his own windows and walk-in door and install it for him.

Additional Services:

  • Concrete (main building + lean-to) – $21,696.00
    • Concrete price provided is based on the standard concrete work.
    • Client was provided customized concrete work due to building location and site condition.
  • 2″ Painted Closed-Cell Spray Foam Insulation+ Foam Gap – $22,091.00
    • Roof & Walls (main building and lean-to)
    • Color: Iced Grey
  • Gutters & Downspouts – $2,904.00
  • Cedar Post – $3,000.00
  • (6) Flood Vents
    • Price not included as price upon request.

Turnkey – $ 171,621.82

Turnkey price includes delivery, installation, labor, materials, taxes, and the listed accessories and services.

Prices may vary by location.

Site preparation and concrete approach costs are not included and will depend on your land’s requirements.

All buildings can be customized by adding or removing any listed features.

WolfSteel Buildings does not offer plumbing or interior finish-out services.

Pricing last updated on: March 31, 2026

Starting at:

$67,930.82

Description

Pack, check out this custom 30×40 red iron metal building with porch in Seguin, Texas! 

This custom 30×40 weld-up red iron building with cedar porch is designed to provide a functional multi space for our client. A storage and the ultimate family hangout space. But this isn’t just any metal building, it has a stunning river view and is finished in three shades of green, making it truly unique!

Building Description: 

  • Overall Dimensions: 40’W x 40’L x 12’H
    • Main Building: 30’W x 40’L x 12’H
    • Side Lean-to: 10’W x 40’L x 12’/9.5’H
      • Enclosed at 15′
  • Weld Up Red Iron
  • 26 Gauge PBR Panels
  • Two-Toned Walls
  • 3/12 Metal Roof Pitch
  • 2 – Closed Vertical Sides
  • 2 – Closed Vertical Ends
  • 2′ Overhang
  • 3 – Insulated Black Overhead Garage Doors + Opener + High Track
    • R10 insulation in Short Carriage Panel Style
    • (1) 10’W x 10’H
    • (1) 10’W x 8’H
    • (1) 8’W x 8’H
  • 3 – 36″W x 84″H Heavy Duty Steel Doors
  • 4 – 36″W x 36″H Double Pane Windows
  • 1 – 8’W x 10’H Frameout
  • Base Trim
  • Gutters & Downspouts
  • 2″ Painted Closed-Cell Spray Foam (Roof & Walls)
    • Color: Iced Grey
  • Custom Concrete Slab (main building & lean-to)
  • Perimeter Footings & Internal Cross Beam
  • Site Preparation
  •  Colors:
    • Roof: Hunter Green
    • Sides/Ends: Colony Green
    • Trim/Gutters: Black
    • Wainscot: Fern Green

Site preparation cost depends on your land’s condition and requires site visit.

WolfSteel Buildings does not offer plumbing or interior finish-out services.

Roof Style:Vertical Roof
Width:30
Length:40
Height:12
Gauge:Red Iron Weld Up Frame
Certified:no
Sides Closedyes
Ends Closed:yes
Gable Front:no
Gable Back:noWalk In Door:yesWindows:yesWarranty:1 Year Hassle Free Warranty Delivery / Installation:

What Can You Customize?

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Custom 3D Design Your Own Project

Start designing your dream metal building your way. Once submitted, we provide you an estimate within 12 hours.

Understanding Specifications & Dimensions

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Leverage Financing in Your Favor

From experience, the best rates can be from your local community bank. However, you can consider the carefully selected partners that specialize in financing metal buildings. Here are the benefits:

30x40 Metal Building for Storage & Family Space in Seguin, TX.

How it Works

At WolfSteel, we know purchasing a metal building can be overwhelming and extensive. Our proven system guarantees you will have a smooth process from discovery to erection.

Be a proud metal building owner for decades to come.

That is our WolfSteel Difference.

  • Discovery

  • Design

  • Commitment

  • Fabrication

  • Erection