20×40 Hobby & Project Space
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20×40 Hobby & Project Space, finish-ready for the hobby you actually do.
800 sq ft of insulated, electrically pre-wired space, drywall-ready and HVAC-roughed for a man cave, she shed, home gym, gaming room, or workshop combo.
🔧 Customize your build 9 options affect your price▼
- 800 sq ft finish-ready
- R-13 insulation walls
- R-19 ceiling pre-pack
- 30A subpanel rough-in
- HVAC mini-split rough-in
- Drywall-ready 5/8 Type-X
- 2 windows + walk-in door
- 14 ga. steel frame
See how 800 sq ft fits your finished hobby room.
20 feet wide × 40 feet long. R-13 insulated walls, R-19 ceiling, drywall-ready interior, HVAC rough-in. Finishes to a man cave, home gym, or hobby workshop.
Finish-ready insulated space.
800 sq ft of pre-wired, pre-insulated interior. Finish to a man cave ($8-18K trades), home gym ($5-12K), or studio workshop ($6-15K).
Build your 20×40 Hobby & Project Space in 3D.
Design your building yourself in our free Sensei3D Designer, drag doors and windows where you want them, swap roof + trim colors, and see your spec from every angle. Save your design and email it to yourself for later.
- Drag-and-drop doors, windows, walk-ins anywhere on the building
- 16 colors applied live to roof, walls, and trim, mix & match
- Interior + exterior views of your spec, with measurements
- Save your design and share it with your contractor or family
- Auto-syncs to quote, what you build is what we price
Everything in your Hobby & Project Space.
All variants ship with free delivery, installation, drawings, 20-year warranty.
Hobby & Project Space spec sheet.
How real buyers use Hobby & Project Space.
20×40 Hobby & Project Space, what makes it different.
Engineered for your county
Every 20×40 hobby & project space is fabricated from American-rolled galvanized steel and engineered against the exact wind and snow loads your jurisdiction requires.
- Standard: 140 mph wind / 35 psf snow
- 12-ga upgrade: 180 mph / 65 psf
- Permit drawings stamped and emailed free
Construction details
The same materials commercial fabricators use, not residential-grade. Hot-dip galvanized fasteners, factory-baked siliconized polyester paint, Hilti-grade anchors.
- Frame: 14-ga (12-ga upgrade) galvanized tubing
- Panels: 29-ga G-90 (26-ga upgrade)
- Fasteners: #14 self-drilling with EPDM washer
Free delivery & install, really free
Regional-route delivery plus 1–2 day on-site installation by a certified crew, bundled into your headline price. No hidden unloading fees, fuel surcharges, or site-prep charges.
- $0 deposit · pay only after walkthrough sign-off
- 3–5 week lead time on regional routes
- All 48 states · rush option available
Warranty & lifespan
Engineered for a 50-year service life with industry-leading warranties on every wear surface.
- 20-yr rust-through warranty on frame & panels
- 40-yr paint warranty against fading + chalking
- 1-yr craftsmanship on installation
$0-down financing
Three financing paths to fit any credit situation. The rent-to-own option requires no credit pull at all, fastest path to a closed deal.
- RTO: $276/mo, no credit check, 36–60 mo
- Financing: 0% promo APR · 84 mo term
- Cash discount: 4% on $10K+ orders
Why 20×40?
800 sq ft sits in the sweet spot for residential and light-commercial, fits standard quarter-acre setbacks, comfortably below the 1,000 sq ft municipal threshold that triggers extra inspections.
- 20′ × 40′ footprint with 800 sq ft interior
- Permit-friendly in 96% of US counties
- Resale ROI $6,400–$9,600 added home value
Common questions from Hobby & Project Space shoppers.
The questions our team hears every week. Click any to expand the short answer.
How thick is the steel on a 20×40 metal building?
Standard frame: 14-gauge (1.5 mm) galvanized tubing. Optional 12-gauge upgrade (2.5 mm) for high-wind/snow zones. Roof + wall sheeting: 29-gauge standard, 26-gauge upgrade.
Do you deliver and install in my state?
Free delivery and installation in all 48 continental states. Hawaii and Alaska require custom freight quotes.
What’s the typical lead time?
Standard: 3 to 5 weeks from order to install. Rush delivery available for an additional $345.
Can I finance without a credit check?
Yes, rent-to-own through TimePayment requires zero credit pull. Just first month’s payment to activate.
What’s covered under the 20-year warranty?
20-year rust-through warranty on galvanized frame + 20-year paint finish warranty against fade and chalking. 90-day workmanship warranty on installation.
What real 20×40 Hobby & Project Space buyers say.
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Talk to a real metal-building specialist.
Our team has installed 42,000+ buildings. We answer technical, permit, and financing questions every day, usually in under 8 minutes.
Complete your Hobby & Project Space · Save 10% bundled
These add-ons ship and install with the same crew.
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Hobby & Project Space questions, answered.
What’s included in the $13,250 hobby spec?
Hobby-spec uplift over base adds R-13 wall insulation, R-19 ceiling insulation, a 30A subpanel rough-in, an HVAC mini-split rough-in, 5/8 Type-X drywall pre-cut, two 36×36 windows, and a walk-in personnel door.
Realistic finish-out cost for a man cave?
Plan $8,000 to $18,000 in finish trades: drywall + paint $3,000-$6,000, flooring (LVP/rubber mat) $1,500-$4,000, mini-split install $2,500-$3,500, lighting + outlets $1,000-$2,500. Move-in-ready in 4-6 weeks after shell.
Do I need a permit for a hobby building?
Most counties exempt accessory buildings under 1,000 sq ft from full permits but require a ‘shed permit’ filing. Once you finish to drywall + electrical, you’ll need an electrical permit pulled by your electrician.
Can I run a heat pump and TV?
Yes, the 30A subpanel handles a 12k BTU mini-split + a TV + LED lighting + occasional power-tool draw. For heavier loads (sauna, larger heat pump, electric vehicle charging), upgrade to the 60A subpanel rough-in (+$345).
How loud will my home gym be to the neighbors?
R-13 insulation + drywall + the vertical-roof panel pattern drops interior reverberation by ~12-15 dB. For deadlift drops or amplified music, add a 1-inch acoustic panel layer on the wall facing the neighbor (~$0.80/sqft).
Your Hobby & Project Space quote takes one minute.
Tell us your zip and the options you want. We’ll send back a same-day, all-in price.
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