Looking to extend your growing season or protect your plants from unpredictable Midwest weather? Our custom-built greenhouses are designed for functionality, durability, and year-round performance.
Whether you’re a weekend gardener or growing full-time, we can help you create a greenhouse that fits your space, your style, and your budget.
Standard Features That Set Us Apart
Every greenhouse we build includes:
Pressure-Treated Wood Framing
Designed to resist rot and pests
Clear Polycarbonate Panels
offering UV protection
Automatic Venting Options
For airflow and temperature control
Durable Entry Door
With optional window or screen
Anchoring Options
For stability in high wind areas
Pricing & Sizes
6' Wide sizes
6 x 6
$2,465.19
6 x 10
$3,239.62
6 x 14
$4,168.12
6 x 18
$5,096.62
6 x 22
$6,025.12
6 x 26
$6,953.62
6 x 30
$7,882.13
6 x 34
$8,810.63
6 x 38
$9,739.13
6 x 42
$10,667.63
6 x 46
$11,596.13
6 x 50
$12,524.64
8' Wide sizes
8 x 12
$4,186.35
8 x 16
$5,192.59
8 x 20
$6,198.82
8 x 24
$7,205.05
8 x 28
$8,211.29
8 x 32
$9,217.52
8 x 36
$10,223.75
8 x 40
$11,229.99
8 x 44
$12,236.22
8 x 48
$13,242.45
10' Wide sizes
10 x 12
$4,656.63
10 x 16
$5,860.92
10 x 24
$8,382.40
10 x 28
$9,586.69
10 x 32
$10,790.97
10 x 36
$11,995.26
10 x 40
$13,199.54
10 x 44
$14,403.83
10 x 48
$15,608.12
12' Wide sizes
12 x 16
$6,413.11
12 x 20
$7,670.57
12 x 24
$8,928.03
12 x 28
$10,185.49
12 x 32
$11,442.95
12 x 36
$12,700.41
12 x 40
$13,957.87
12 x 44
$15,215.32
12 x 48
$16,472.78
14' Wide sizes
14 x 16
$7,323.90
14 x 20
$8,735.80
14 x 24
$10,147.69
14 x 28
$11,559.59
14 x 32
$12,971.49
14 x 36
$14,383.38
14 x 40
$15,795.28
14 x 44
$17,207.18
14 x 48
$18,619.07
16' Wide sizes
16 x 20
$9,355.11
16 x 24
$10,894.96
16 x 28
$12,434.81
16 x 32
$13,974.66
16 x 36
$15,514.51
16 x 40
$17,054.36
16 x 44
$18,594.20
16 x 48
$20,134.05
Custom Sizes & Configurations
Need more space? We’ve got you covered. Have something different in mind? Let us know. We’ll build to your specifications.
Enhance your greenhouse with optional features like:
Workbenches and shelving
Decorative shutters or trim
Paint or stain color options to match your home or garden aesthetic
Electrical package for outlets or lighting
Why Choose D&M Mini Barns?
We’re not a big-box store — we’re a local team that believes in quality construction and great service. Here's what sets us apart:
Built in Garnett, Kansas and Barry, Ilinois
Delivered to Your Property in Kansas, Missouri, or Illinois
Friendly, No-Pressure Sales Process
Rent-to-Own & Traditional Financing Available
Delivery You Can Count On
Serving Kansas, Missouri, and Illinois with fast, reliable delivery.
We personally deliver your greenhouse and work with you to make sure it’s set up exactly where and how you want it. Mileage charges may apply — but no surprises. We’ll give you a quote upfront.