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★★★★★ 4.96 out of 5 Based on 1,100+ reviews
★★★★★ 4.96 out of 5 Based on 1,100+ reviews
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Free Installation Free Installation
20 Year Warranty 20 Year Warranty
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Keen'S Buildings, 30X45 Metal Building, Kmb-304510-212
Keen's Buildings, 30x45 Metal Building, KMB-304510-212

30×45 Metal Building

Original price was: $18,870.00.Current price is: $16,039.50.

The 30x45x10 metal building delivers 1,350 sq ft of clear-span space – a 2-car garage with a dedicated 15-ft rear bay for a workbench, lift, or lawn care equipment. Comes standard with (2) 10×10 roll-up doors, (1) 36-in. walk-in door, and (2) 30×36 windows. Free delivery and installation included.

(Extra options maybe shown in images, call 386-339-1676 to customize your building.)

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SKU: KMB-304510-212 Category: Tags: , , , ,
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Width

30'
Length

45'
Height

10' (up to 16' available)
Square Footage

1350 sq ft
Cubic Feet

13500 cu. ft.
Roof Style

Vertical A-Frame
Roll-Up Doors

(2) 10×10 roll-up doors
Walk-In Door

(1) 36-in. walk-in door
Windows

(2) 30×36 windows
Frame Material

Galvanized steel
Frame Gauge

14-gauge
Roof Material

Metal (Galvalume)
Roof Panel Gauge

29-gauge (optional 26-gauge upgrade)
Wall Panel Material

Metal (Galvalume)
Wall Panel Gauge

29-gauge (optional 26-gauge upgrade)
Color Options

15 standard + Wainscot available
Wind Rating

Up to 150 MPH engineered (optional 180mph upgrade)
Snow Rating

Up to 35 PSF engineered (optional 90 psf upgrade)
Warranty

20-year Structural
Condition

New
Brand

Keen's Buildings
$0 Down Financing

$211/mo
Rent-to-Own

$436/mo
2-Car Garage + Workshop

Why the 30x45 is one of our most-ordered sizes

The 30x45x10 Keen's metal building gives you 1,350 square feet of clear-span interior (13,500 cu ft of volume) - a huge 2-car garage with a dedicated 15-ft rear bay for a workbench, lift, or lawn care equipment. Factory-direct, free delivery, and free installation are included with every quoted price.

1,350Sq Ft Clear-Span
13,500Cubic Ft Volume
20 YrsRust-Through Warranty
FREEDelivery & Install
What's Included

Standard 30x45x10 Configuration

Every Keen's 30x45 enclosed metal building ships as a complete, installed package. Customize any line item through your specialist or our online designer - options listed below are the out-of-the-box standard.

Width
30 ft
Length
45 ft
Sidewall Height
10 ft (up to 16 ft available)
Square Footage
1,350 sq ft
Cubic Feet
13,500 cu ft
Roof Style
Vertical A-Frame
Primary Frame
14-ga galvanized steel
Roof & Wall Panels
29-ga (26-ga upgrade)
Roll-Up Doors
(2) 10x10 roll-up doors
Walk-In Door
(1) 36-in. walk-in door
Windows
(2) 30x36 windows
Wind Rating
Up to 150 MPH (engineered) (upgradable to 180 mph)
Snow Rating
Up to 30 PSF (engineered) (upgradable to 90 psf)
Warranty
20-yr rust-through frame
Color Choices
15 standard + Two-Tone
Condition
New
Common Uses

what people are doing with a 30x45 building

1,350 square feet is enough to support a wide range of uses. Here are the four most common configurations our specialists see for the 30x45x10.

Residential 2-3 Car Garage

Park two full-size vehicles plus lawn equipment, bikes, and a workbench. Add a garage door opener and LED lighting package and this becomes your daily-driver garage.

Backyard Workshop

Ideal for woodworkers, hobbyists, and homeowners who need a dedicated shop separate from the house. Insulation and a walk-in door make it a comfortable year-round work space.

Household Storage

Keeps ATVs, kayaks, holiday decor, and seasonal gear locked up and out of the weather. 29-gauge walls and a 20-year Structural warranty protect what's inside.

Home Business / Hobby

Great for a side business, photography studio, or a detailing bay - the clear-span interior takes whatever layout you need without columns in the way.

Financing

Payment options on a 30x45

The 30x45x10 base package starts in the mid $18s delivered and installed. Final price depends on height, gauge, colors, doors, insulation, and your state's engineering requirements - your specialist will build a firm, out-the-door number in one call.

From $18,200Installed, base package
$243/mo$0 Down Financing
$506/moRent-to-Own · No Credit Check

Starting prices are estimates based on a base configuration in Florida. Your actual quote may be lower or higher depending on upgrades and state certification. Call 386-339-1676 for a same-day firm price.

Why Keen's

The difference of a factory-direct, 26-year installer

26 Years in Business Keen's Buildings has been a family-owned, factory-direct operation since 1999.
75,000+ Buildings Installed One of the Southeast's most-installed brands, with crews on the road five days a week.
4.96-Star Reviews 1,100+ verified customer reviews - independently collected through Reviews.io.
Free Delivery & Installation Every price quoted is delivered and installed on your prepared, level site - no setup surprises.
20-Year Warranty 20-year Structural warranty on your galvanized frame, plus manufacturer warranties on panels.
$0 Down Financing & RTO $0-down financing and rent-to-own with no credit check - apply online or over the phone.

Get a firm, installed price on your 30x45

Our specialists build your quote in under 10 minutes. Financing, concrete, insulation, and upgrades all included in one number.

Frequently Asked

30x45 metal building questions, answered

What's included with a standard 30x45 metal building from Keen's?
Every Keen's 30x45x10 enclosed building ships standard with (2) 10x10 roll-up doors, (1) 36-in. walk-in door, (2) 30x36 windows, a 14-gauge galvanized primary frame, 29-gauge roof and wall panels, and an A-frame vertical roof. Free delivery and free installation on your level site are included in the price, plus a 20-year Structural warranty on the frame.
How much does a 30x45 metal building cost?
A base 30x45x10 Keen's enclosed building starts in the mid $18s installed. Final price depends on height, gauge, door and window count, color, insulation, and your state's wind/snow certification. Call 386-339-1676 for a same-day custom quote or use our online designer - we'll match your county's code and deliver a firm, installed price.
How long does delivery and installation take?
Lead time is typically 4-8 weeks from the day you reserve, depending on state, factory queue, and season. Installation on a prepared, level site usually takes 1-3 days for this footprint. Keen's has installed more than 75,000 buildings since 1999, and we schedule your crew, handle delivery, and anchor the building for you.
Do I need a concrete slab for a 30x45 metal building?
A concrete slab is recommended for most enclosed buildings this size, especially if you're parking vehicles, running a workshop, or bolting in equipment. Keen's can pour your slab as part of the project (rolled into your financing) - plan on roughly $6-$10 per square foot for a 4-inch reinforced slab depending on your region. We can also install on a gravel pad or directly to ground with mobile-home anchors for equipment storage.
Do I need a permit for a 30x45 metal building?
Most counties require a permit for an enclosed building of this size. Keen's will provide engineered drawings, wind/snow certifications, and foundation specs sized to your county - this is usually all a building department needs. Your Keen's specialist will walk you through the local process, and our state landing pages cover permitting nuances for your area.
What is a 30x45 metal building best used for?
A 30x45 gives you 1,350 square feet of clear-span space and 13,500 cubic feet of enclosed volume. It's a 2-car garage with a dedicated 15-ft rear bay for a workbench, lift, or lawn care equipment. With custom door, window, and height options you can adapt the same shell into a garage, workshop, barn, warehouse, or agricultural shelter.
Can I customize a 30x45 metal building?
Yes - you can upsize doors up to 14x14, add garage door openers, add windows, raise the side walls from 10 ft to 16 ft, add lean-tos, upgrade gauge, and add insulation. Color-match your roof, walls, and trim from 13 standard brand colors. Use our online designer or call 386-339-1676 - we'll walk you through the configuration.
What warranty comes with a Keen's Buildings metal building?
Every Keen's enclosed building includes a 20-year Structural warranty on the galvanized primary frame, plus a manufacturer's panel warranty on roof and wall sheeting. Our installation labor is warrantied at delivery, and your specialist stays with you for post-install service. Keen's has been in business since 1999 with a 4.96-star customer rating over 1,100+ reviews.
What financing is available for a 30x45 metal building?
Keen's offers $0-down financing and rent-to-own with no credit check on every size in this catalog. Apply online in minutes or call 386-339-1676 - we'll structure your monthly payment around your budget and roll in concrete, insulation, and upgrades if needed.
Does Keen's deliver and install in my state?
Keen's delivers and installs across the Southeast and Mid-Atlantic - including Tennessee, Alabama, South Carolina, North Carolina, Georgia, Florida, Virginia, West Virginia, Kentucky, Mississippi, Louisiana, Arkansas, Missouri, and several additional states. Visit our state landing pages or call 386-339-1676 to confirm coverage in your county.
Other Popular Sizes

Related metal building sizes

Comparing sizes? These are the closest alternatives to the 30x45 in our catalog.

30x40 Metal Building 30x50 Metal Building 30x35 Metal Building 30x55 Metal Building 40x45 Metal Building 30x30 Metal Building 30x60 Metal Building 30x65 Metal Building 50x45 Metal Building 30x70 Metal Building

About this listing

Published and maintained by the Keen's Buildings product team. Keen's Buildings is a factory-direct metal building dealer headquartered at 620 W. Howard St., Live Oak, FL 32064, established in 1999. Pricing, configurations, and certifications on this page reflect our current Florida-base package and may vary by state. For a firm price in your county, call 386-339-1676 - Mon-Fri 8am-5pm | Sat 8am-1pm.