1-877-275-7048|Free delivery — 48 states|20-year warranty on 12ga
36×48 Self-Storage Annex Building | Steel and Stud — From $23,750
12
36×48 Self-Storage Annex Building
In stock · ships 3–5 wk
Starting from$27,050$23,750SAVE $3,300
or $495/mo · $0 down · no credit check
HomeMetal Buildings36×48Self-Storage Annex Building
★★★★★4.8(verified buyers)✓ Verified Buyers

36×48 Self-Storage Annex Building, engineered for code-compliant business use.

Looking for a 36×48 self-storage annex building? At 1728 sq ft, this footprint suits small businesses, retail, or service shops. Storage operators add a 36×48 annex divided into eight 36×48 self-storage units, each with.

You're viewing:Self-Storage Annex Building·Size36×48·Slate Gray
Starting from your selected configuration$23,750$27,050Save $3,300
or as low as $495/mo · 0% APR · No credit RTO
ℹ️This is an estimate. Final pricing is locked after our sales team reviews your complete requirements (site access, ground type, county-specific certifications, optional upgrades). You'll receive a written all-in quote within one business day of your request — no surprises, no hidden fees.
📐 Size footprint dimensionsSelected: 36×48
36×36
smaller
$18,250
36×48
this size
$23,750
36×50
longer
$24,650
40×48
wider
$37,000
📏 Side wall height interior headroomSelected: 9′
7'
8'
9'
10' +$340
12' +$640
14' +$1180
🎨 Roof & trim color applied to building aboveSelected: Slate Gray
Slate Gray
🔧 Customize your build 9 options affect your price
🏗️
Roof Stylevertical sheds snow/leaves naturally
🚪
Roll-Up Doorsfront-mounted garage doors
🪟
Windowsnatural light + ventilation
🚶
Walk-In Doorside entry with deadbolt
🌡️
Insulation Packageyear-round comfort & energy savings
🔩
Frame Gaugestructural steel thickness
📋
Sheeting Gaugeroof + side panel thickness
Anchoring Typefoundation attachment method
Electrical Pre-Wireconduit run for licensed electrician
Customizations selected:
Customization subtotal:+$485
  • 1,728 sq ft enclosed
  • 8 Storage Units
  • 8x7 Roll-Ups
  • 14 GA Standard
  • 180 mph wind certified
  • 65 psf snow load
  • 20-year rust warranty
  • Free delivery + install
🚚
FREE delivery & installation in all 48 states. Concrete, asphalt, or compacted gravel.
SKU:SS-36X48-SELF-STORAGE-ANNBuilt:1,847+Since: 2002Made in: 🇺🇸 USA
🛡️
A+
BBB Accredited
4.8/5
customer rating
Since 2004
In Business
🏠
15,000+
Buildings
🇺🇸
48
States Served
We've provided builds for
FordAppleDiscovery ChannelU.S. ArmyGM
SPATIAL LAYOUT

See how 1,728 sq ft fits your 36x48 self-storage annex building.

36 feet wide × 48 feet long. Looking for a 36×48 self-storage annex building? At 1728 sq ft, this footprint suits small businesses, retail, or service shops.

↑ WINDOW WALL ↑Table SawBenchLumber Rack36′ × 48′ · 1,728 sq ft shop

Self-Storage Annex Building layout.

Looking for a 36×48 self-storage annex building? At 1728 sq ft, this footprint suits small businesses, retail, or service shops. Storage operators add a 36×48 annex divided into eight 36×48 self-storage units, each with its own 36×48 roll-up door facing a center drive aisle. The 14-gauge frame meets code in most counties, and 29-gauge panels keep the per-unit cost down. A single building can return rent on 8 units inside the 1,1728 sq ft footprint.

💡 Pro tip:Self-Storage Annex Building works well at 36×48 — add insulation + electrical for year-round use.
🎨 FREE 3D BUILDER

Build your 36×48 Self-Storage Annex Building 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
✓ No login required✓ Works on phone & desktop✓ Used by 38,000+ buyers
Sensei3D Preview
LIVE 3D · DRAG TO ROTATE
— or —
📐 Use the Cold-Form Designer (engineer-grade specs)
WHAT'S INCLUDED

Everything in your Self-Storage Annex Building.

All variants ship with free delivery, installation, drawings, 20-year warranty.

🏗️
1,728 sq ft enclosed
Fully-enclosed 36×48 vertical-roof structure.
🚪
Roll-up + walk-in doors
Standard configuration door package.
🔩
14-gauge steel frame
American-rolled galvanized tubing.
🎨
1 standard color
Pick from 16 factory-baked finishes.
TECHNICAL SPECIFICATIONS

Self-Storage Annex Building spec sheet.

Width36'
Length48' + 6" overhang
Side height9' standard
Floor space1,728 sq ft
Doors1 × 9×8 roll-up
Walk-inOptional (+$345)
WindowsOptional
Windup to 180 mph
Snowup to 65 psf
RoofVertical 3:12
Frame14 ga (12 ga upgrade)
Sheeting29 ga (26 ga upgrade)
AnchoringConcrete · Asphalt · Ground
Lead time3 – 5 weeks
USE CASE EXAMPLES

How real buyers use Self-Storage Annex Building.

DAILY USEEveryday self-storage annex building
Everyday self-storage annex building
1,728 sq ft is the right size for daily use of a self-storage annex building.
STORAGE OVERFLOWself-storage annex building + seasonal storage
self-storage annex building + seasonal storage
Park or store equipment in the front half, leave the rear for seasonal storage and overflow.
FLEX ROOMExpansion-ready
Expansion-ready
Stud-framed interior makes it easy to add a partition, electrical, or insulation later.
FULL PRODUCT DETAILS

36×48 Self-Storage Annex Building — what makes it different.

1,728sq ft
Floor Space
180mph
Wind Rated
65psf
Snow Load
20yr
Rust Warranty
40yr
Paint Warranty
$495/mo
From RTO
🏗️

Engineered for your county

Every 36×48 self-storage annex building 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: $495/mo, no credit check, 36–60 mo
  • Financing: 0% promo APR · 84 mo term
  • Cash discount: 4% on $10K+ orders

Why 36×48?

1,728 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.

  • 36′ × 48′ footprint with 1,728 sq ft interior
  • Permit-friendly in 96% of US counties
  • Resale ROI $13,824–$20,736 added home value
PEOPLE ALSO ASK

Common questions from Self-Storage Annex Building shoppers.

The questions our team hears every week. Click any to expand the short answer.

How thick is the steel on a Steel and Stud 36×48 metal building?

Standard frame: 14-gauge (1.5 mm) galvanized tubing. Optional 12-gauge upgrade (2.5 mm) for high-wind/snow zones. Roof and wall sheeting ships 29-gauge standard, 26-gauge upgrade available on order.

Does Steel and Stud deliver and install in my state?

Yes — free delivery and free installation in all 48 continental states, performed by certified Steel and Stud crews. Hawaii and Alaska use custom freight quotes; call 1-877-275-7048 for either.

What's the typical lead time for a 36×48 building?

Standard: 3–5 weeks from order confirmation to install completion. Fabrication runs the first 2–3 weeks at our US plant; regional delivery and 1-2 day install close it out. Rush builds available for $345.

Can I finance a Steel and Stud building without a credit check?

Yes — Steel and Stud's rent-to-own partner does not pull credit. Approvals typically run 8 minutes with proof of income and first month's payment. 36–60 month terms, no early-payoff penalty.

What's covered under the 20-year warranty?

Steel and Stud's 20-year rust-through warranty covers the galvanized frame against perforation, plus a 20-year paint-finish warranty against fade and chalk. Workmanship on the install is warrantied for 1 year. Warranty transfers to the next owner on resale.

CUSTOMER REVIEWS

What real 36×48 Self-Storage Annex Building buyers say.

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HAVE A QUESTION?

Talk to a real metal-building specialist.

Our team has installed 15,000+ buildings. We answer technical, permit, and financing questions every day — usually in under 8 minutes.

Complete your Self-Storage Annex Building · Save 10% bundled

These add-ons ship and install with the same crew.

Browse all 28 add-ons →
Bundle & Save
🏗️
Concrete Pad Pour
37×49×4″ slab to engineered spec.
$7,776+ Add
Most Added
🌡
R-19 Insulation Package
Roof & wall batt, vinyl-faced.
$1,795+ Add
💧
Gutter & Downspout Kit
Seamless aluminum, color-matched.
$485+ Add
200-Amp Sub-Panel Pre-Wire
Conduit + sub-panel housing.
$695+ Add
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Fleet Garage

36×48 fleet garage configuration — free delivery, free installation, 20-year warranty.

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Storefront with Shop

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FREQUENTLY ASKED

Self-Storage Annex Building questions, answered.

How much does a 36×48 self-storage annex building cost?

A 36×48 self-storage annex building from Steel and Stud starts at $23,750 with free delivery and free installation across all 48 states. Most buyers pick the rent-to-own option at about $495/month with $0 down and no credit check. Call 1-877-275-7048 for a same-day price lock.

Is delivery and installation included in the 36×48 self-storage annex building price?

Yes — every Steel and Stud self-storage annex building ships with free delivery + free installation by a certified crew, included in the listed price. Anchored to a concrete pad, asphalt, or compacted gravel, your building is fully erected in 1–2 days after the truck arrives.

Do I need a permit for a 36×48 self-storage annex building?

Almost always for 1,728+ sq ft enclosed buildings. Steel and Stud emails engineered drawings stamped for your wind zone (up to 180 mph) and snow zone (up to 65 psf) at no charge, so your local building department has everything it needs. Permit timing typically runs 2–6 weeks by jurisdiction.

How is a Steel and Stud self-storage annex building different from a wood-frame build?

Steel solves the problems wood creates — no rotting, no termites, no warping, no painting every 3 years. Our 14-gauge galvanized frame carries a 20-year rust warranty and ships with a 180 mph wind / 65 psf snow rating already engineered in. A comparable wood build typically costs 2–3× more and needs ongoing maintenance.

What foundation does a 36×48 self-storage annex building need?

A 4-inch concrete pad poured 1 foot wider and longer than the building is the standard. Steel and Stud also anchors to asphalt or compacted gravel for open or semi-enclosed configurations. A pad-pour bundle is offered at checkout if you don't already have a slab.

How fast can I get a 36×48 self-storage annex building delivered?

Standard lead time is 3–5 weeks from order to install. Fabrication runs the first 2–3 weeks at our US plant; regional delivery + 1–2-day install by a certified Steel and Stud crew closes out the order. Rush builds are available — call 1-877-275-7048 for current capacity.

Can I finance a 36×48 self-storage annex building without a credit check?

Yes — Steel and Stud's rent-to-own partner does not pull credit. Approvals close in about 8 minutes with proof of income and your first month's payment. Terms run 36–60 months with no early-payoff penalty, and the monthly works out to roughly $495/month on a 36×48 self-storage annex building.

What warranty comes with the 36×48 self-storage annex building?

Steel and Stud backs every building with a 20-year rust-through warranty on the galvanized frame and a 10-year sheeting warranty on the 29-gauge panels (upgradeable to 26-gauge or 12-gauge). Workmanship on the install is warrantied for 1 year. Full warranty terms ship with your order packet.

Can I customize the 36×48 self-storage annex building in 3D before I order?

Yes — our free Sensei3D Designer lets you drag and drop doors, windows, and walk-ins; swap 16 roof + trim colors live; and rotate the building in 3D from every angle. No login required. The design saves directly to a quote so what you build is exactly what we price.

Does the 36×48 self-storage annex building meet IBC commercial code?

Yes. Steel and Stud's 12-gauge frame upgrade and 26-gauge sheeting both meet IBC commercial standards, and most counties accept our stamped drawings without revision. Engineered loads ship with the order — typical certified specs are 180 mph wind / 65 psf snow.

Ready to build?

Your Self-Storage Annex Building quote takes one minute.

Tell us your zip and the options you want. We'll send back a same-day, all-in price.

✓ 4.8★ · verified buyers✓ BBB A+✓ 24 years✓ $0 deposit · pay after install
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Tell us what you need and a building specialist will send your custom pricing — usually within 1 business day. No payment required.

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