Steel metal building installed in Lawton, Oklahoma by Barn Brothers

Metal buildings built for Lawton, OK

Engineered for 90+ MPH Comanche County winds and real Oklahoma weather. Garages, workshops, RV barns, ag & commercial — all fully enclosed, all installed by a family-run crew, certified builds when your county requires the stamp.

BBB A+ Accredited 4.9★ (120 Google reviews) 15+ years in business Family-run · OK / TX / KS

Tell us your ZIP and size — we’ll text or call back same day with a real itemized quote (building, doors, anchors, freight, engineering if needed). No call-center scripts.

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What people use them for

Six common builds in Lawton, OK

24×30 / 30×40

Residential garage

Detached garage with one or two roll-up doors, a walk-in, and optional insulation. Most popular suburban size.

30×40 / 30×50

Workshop / hobby shop

Wide bays, 12-foot eaves, electrical-ready. Add a swamp cooler or mini-split and you have a year-round workspace.

20×40 / 30×50

RV / boat storage

Tall sidewalls (12–14 ft) with extra-wide roll-ups so the slide-outs and ladders clear. Optional sealed slab to keep the rig dry.

40×60 / 40×80

Agricultural / hay barn

Open or partially enclosed with vented ridge cap. Standard for hay storage, equipment shelter, and small livestock buildings.

40×80 / 50×100

Commercial / contractor

Higher ceilings, wider clear-spans, multiple roll-up doors. Used as small contractor yards, fleet bays, and self-storage units.

30×50 / 40×60

Equipment / machine shed

Side-load equipment shelter for tractors, combines, sprayers, and oilfield service trucks. Open lean-to options available.

Build & price

Build & price your Lawton metal building

Southwest Oklahoma is oilfield, cattle, and wheat country, and the metal buildings we set there reflect every piece of that economy. Our SW jobs run heavy on workshops for oilfield service trucks — 30×60 and 40×80 shops with high sidewalls (14- and 16-foot eaves) so you can pull in a tandem-axle service rig with the boom up. We also do a steady stream of equipment barns, hay storage with ventilated ridge caps, and small multi-stall horse barns on the acreage outside Lawton, Duncan, and Altus. Vertical roof is standard here too — not for snow, but because the silicone-modified polyester paint holds up better when the panels run vertical and the dust just slides off. The wind picture in southwest Oklahoma is the one that matters: design wind speed is 90 MPH nominal but the unobstructed prairie around Cotton, Tillman, and Jackson counties means buildings see real 60–70 MPH gusts multiple times a year, and a derecho will throw a peak gust well above that. We strongly recommend certified construction for any building over 30 feet wide on open ground, with helical anchors instead of mobile-home anchors, and 12-gauge frame on anything pulling double-duty as a equipment shop. Permitting is generally light outside city limits; inside Lawton, Duncan, Altus, and Chickasha city limits, expect a building permit and stamped plans.

24×30 garage

720 sq ft — two-bay personal garage

Starting at $9,495

Vertical roof · two roll-ups, one walk-in · certified upgrade $1,200+

Configure →

30×50 workshop

1,500 sq ft — mid-size shop with high ceilings

Starting at $17,995

Vertical roof · 12′ eaves · insulation-ready

Configure →

40×80 commercial

3,200 sq ft — commercial / ag clear-span

Starting at $34,995

Vertical roof · certified standard · multiple roll-ups

Configure →

Prices include delivery within Comanche County. Permits typically apply on enclosed buildings — see local specs below.

See full price grid — 7 sizes × standard & certified vertical roof +
Size (footprint)ConfigurationStandardCertified 140 MPH
20×20 (400 sq ft — single garage)1 roll-up, 1 walk-in$6,995–$7,895$8,195–$9,095
24×30 (720 sq ft — two-bay garage)2 roll-ups, 1 walk-in$9,495–$10,895$10,695–$12,095
30×40 (1,200 sq ft — workshop)2 roll-ups, 1 walk-in, 12′ eaves$13,995–$15,895$15,495–$17,495
30×50 (1,500 sq ft — large workshop)2 roll-ups, 1 walk-in, 12′ eaves$17,995–$19,995$19,495–$21,895
40×60 (2,400 sq ft — shop / RV barn)2 roll-ups, 1 walk-in, 14′ eaves$25,495–$28,495$27,995–$31,495
40×80 (3,200 sq ft — commercial / ag)3 roll-ups, 1 walk-in, 14′ eaves$34,995–$38,995$37,995–$42,495
50×100 (5,000 sq ft — commercial clear-span)4 roll-ups, 1 walk-in, 16′ eaves$54,995–$60,495$59,495–$66,495

All prices delivered & installed in Comanche County. Standard 14-ga frame, 29-ga panels, vertical roof, mobile-home anchors. 12-ga frame, 26-ga panels, helical anchors, gutters, insulation, and additional door/window options are itemized add-ons. Steel pricing locked at deposit.

Doors, windows & trim

Pick the openings that match the way you’ll actually use it

OpeningCommon sizesTypical useAdd-on price
Roll-up garage door8′×8′, 9′×8′, 10′×10′, 12′×12′, 14′×14′Vehicle, RV, equipment access$595–$1,895
Insulated overhead door9′×7′ through 16′×14′Conditioned shop, drive-through bay$1,495–$3,295
Walk-in steel door36′′ or 42′′ pre-hungPersonnel entry, code requirement$295–$525
Sliding barn door8′×8′ through 20′×14′Ag, equipment shed, traditional look$795–$2,395
Window (slider or fixed)24′′×36′′, 36′′×36′′ double-paneNatural light, code egress$245–$425
Skylight panelTranslucent ridge or sidewallFree shop lighting$185–$295

All doors come pre-hung in the building during install — no after-the-fact framing required. Roll-ups include the latch and J-channel; opener motors are optional and easy for any garage-door tech to retrofit later. Slider barn doors come with track, rollers, and stop pegs. Walk-ins are ADA-compatible 36″ standard.

Insulation for the Oklahoma climate

Three insulation packages, three real-world use cases

Oklahoma summers run 95°F+ for weeks, and a couple of January cold snaps will dip into the teens. The right insulation spec depends on whether you’re storing things, working in there occasionally, or keeping it conditioned year-round.

Storage tier

No insulation

Included in base price

Bare 29-ga panel. Fine for unconditioned storage of vehicles, equipment, hay, or seasonal stuff. Will sweat in spring/fall when warm humid air hits cold steel — condensation drips can rust tools sitting on the floor. Add a vapor barrier later if needed.

Workshop tier

Double-bubble radiant barrier

Roof: $1.20–$1.40/sq ft · Walls: $0.95–$1.20/sq ft

Reflective foil-bubble-foil sandwich. R-value about R-7 effective with the air gap. Cuts radiant heat gain by ~35% in summer, ~25% in winter. Eliminates condensation drip. Most popular upgrade — turns an unworkable July shop into something you can spend an afternoon in with a fan running.

Conditioned tier

Fiberglass batt + vapor barrier

R-19 roof + R-13 walls: $2.80–$3.40/sq ft installed

Standard residential code-grade insulation with a continuous polyethylene vapor barrier on the inside face. Required if you plan to heat & cool with a mini-split or unit heater. Liner-panel finish is an extra $1.10–$1.45/sq ft for a clean white wall surface that holds shelving and looks professional.

Spray foam is a fourth option (R-6.5/inch closed cell) but we don’t install it — we refer local foam contractors who can spray after we set the building. Closed-cell foam is the gold standard for buildings that need to hold conditioned air long-term, but expect $4–$7/sq ft installed for the foam alone.

Engineered for here

Local specs for Lawton, OK

Wind rating

140 MPH

Certified to handle Comanche County straight-line wind events and severe-thunderstorm gust fronts.

Snow load

35 PSF

Engineered to Oklahoma snow-load minimums for Lawton and surrounding communities, with vertical roof drainage standard.

Permits

Usually required

Inside Lawton city limits, fully enclosed metal buildings almost always require a building permit and an engineer-stamped drawing set — that is true for any structure over 200 sq ft in most Oklahoma jurisdictions. We provide the stamped drawings as a $375–$650 add-on. Unincorporated Comanche County typically waives the permit for residential ag-use buildings on parcels over 5 acres.

What your Lawton metal building actually has to survive

Lawton sits in Comanche County, near Wichita Mountains Wildlife Refuge, with road access via I-44. The 2018 IBC wind speed map puts most of this region in the 115 MPH ultimate design wind zone (Risk Category II, Exposure C), which converts to roughly a 90 MPH nominal basic wind speed on engineered drawings. For a fully enclosed building — which catches more wind than an open carport because it cannot let air pass through — that wind load is the single most important spec on the engineering set.

Standard 14-gauge framing with mobile-home anchors and 29-gauge vertical-roof panels rates to about 90 MPH on a fully enclosed structure — right at the minimum. Our certified buildings are engineered up to 140 MPH wind and 35 PSF snow load depending on bracing, anchor pattern, frame gauge, and door layout. On enclosed buildings 30 feet wide or larger, we strongly recommend going certified at minimum 130 MPH and upgrading to 12-gauge frame — the additional door openings cut into the wall’s shear capacity, and the certified package offsets that with extra X-bracing in the wall panels.

Anchoring matters even more on enclosed buildings. A 30×50 enclosed building presents roughly 600–800 sq ft of broadside wall area to a perpendicular gust — that translates to 8,000–12,000 lbs of lateral load on the anchor system during a 70 MPH gust. Most of Comanche County sits on clay-loam soils that lose 30–50% of their pull-out strength in dry months. We use 48-inch helical/auger anchors as the standard on any enclosed building over 30 feet wide on dirt, concrete wedge anchors at 24-inch o.c. on slabs, and J-bolt embeds where you have a freshly poured slab we can spec our anchor pattern into. Expect $400–$1,200 in anchor upgrades over base “mobile home anchor” pricing on enclosed builds. Cheap insurance.

Vertical roof is mandatory on enclosed buildings. Design ground snow load for this part of Oklahoma is roughly 5 PSF under ASCE 7-16. Boxed eave and regular roofs trap snow and ice between the panel ribs — on a 40-foot-wide enclosed building that adds 1,500–2,500 lbs of point load during a typical Oklahoma ice storm. Vertical sheds it clean. We will not quote a regular or boxed-eave roof on any enclosed building 24 feet wide or larger, period.

Coverage

Service area & install map

We deliver and install across Comanche County and surrounding counties. Lot pickup at 227 1/2 N Main St., Waurika, OK 73573.

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Financing

Estimate your monthly payment

Estimated monthly payment

$382/mo

Estimate only. Assumes 9.99% APR. Subject to credit approval.

Apply with my quote

Four ways to pay — honest math, side by side

A bare 24×30 garage runs in the high four figures; a fully spec’d 50×100 commercial building can push past $80,000. Here are the four legitimate ways to pay for one — we’ll quote all of them on the same email and let you decide.

1. Cash or card (best price)

Pay cash and we discount 3–5% off the financed price. On a $25,000 building that’s $750–$1,250 back in your pocket. Card payments accepted up to $25,000 (2.9% processor fee passed through).

2. Traditional financing

Three lender partners specializing in outdoor structures & ag buildings. APR range 7.49%–17.99%, terms 24–120 months, soft credit pull for pre-qualification. Same-day approval. Lender pays us at completion.

3. Rent-to-own (no credit check)

No credit check. Approval based on ID + verifiable monthly income, under 10 minutes. Down payment is first month + one-month security deposit. 36/48/60-month terms, you own it outright at the end. Total cost runs ~1.6–1.9× cash price. RTO max project size $30,000.

4. Split-pay (half now, half on install)

Waiting on a tax refund, hay check, or royalty deposit? Split into two payments — half down to lock production, balance the day the crew rolls off your property. No interest. Max project size $25,000.

Warranty & certifications

Three layers of coverage, in plain English

Every Lawton build carries frame, panel, and workmanship warranties, with engineer certification standard on most enclosed builds for permits or insurance.

Frame warranty

20 years

Every leg, rafter, brace, and purlin warranted against rust-through and structural failure for 20 years from install. Hot-dipped galvanized 14-ga steel standard, 12-ga upgrade available on enclosed buildings (recommended for any build over 30′ wide). G90 zinc spec — the agricultural building workhorse standard.

Panel warranty

10 years

29-ga vertical-roof panels carry a 10-year manufacturer warranty against fade, chalk, and chip-through. Silicone-modified polyester paint over galvalume substrate. 26-ga upgrade extends panel warranty to 20 years (+8–12% panel-line cost) and is highly recommended on commercial / ag buildings that take regular impact from equipment.

Workmanship

1 year

Anything our crew installs is warranted for 12 months from completion. Loose bolts, misaligned panels, leaks at door penetrations, anchor failure on level ground, sticky roll-up tracks — we come back and fix it on our dime. Most claims hit in the first 90 days, almost always after the first big windstorm.

Honest comparison

Steel building vs. wood pole barn vs. stick-built garage

After 20+ years of building across Oklahoma, here’s the straight talk on three options Lawton buyers actually consider for an enclosed building.

FeatureSteel building (Barn Brothers)Wood pole barn (custom)Stick-built garage (GC)
Starting cost (30×40 enclosed)~$13,995 installed~$22,000–$32,000 built on-site~$45,000–$65,000 turn-key
Lifespan40–60+ years25–40 yrs (rot/termites)50–100+ yrs
MaintenanceRinse panels; check anchors after big stormsRe-stain every 3–5 yrs, replace rotted poles, watch termitesStandard residential maintenance
Wind rating (certified)Up to 140–170 MPH with engineeringSite-specific engineering requiredBuilt to local code
Snow load (certified)Up to 35 PSF with engineered trussesSite-specificBuilt to local code
Install time2–5 days by our crew2–6 weeks by GC3–6 months turn-key
Permit friendlinessEngineered drawings included on certifiedGC handles, slowGC handles, slow
Insulation-readyYes (factory-spec packages)YesYes (built into framing)
Warranty20-yr rust-through, 1-yr workmanshipWhatever the GC writes on a contractStandard residential warranties
Resale at 10 years60–75% of original cost40–55%70–85% of replacement cost
Insurance friendlinessMost carriers accept engineered unitsCase by caseStandard residential coverage

FAQ

Frequently asked questions

Do I need a permit for a metal building in Lawton or Comanche County?+
For fully enclosed metal buildings inside Lawton city limits, almost always yes — the threshold in most Oklahoma jurisdictions is 200 sq ft and any enclosed building large enough to be useful is over that line. We provide stamped engineered drawings as part of the certified package ($375–$650 add-on) so your permit application has everything the city needs. Comanche County generally does not require permits for ag-use buildings on parcels over 5 acres outside city limits, which covers most rural addresses we install at. We always recommend a quick call to the city clerk’s office if you’re inside the city.
What about HOA approvals for a detached metal garage?+
HOA-controlled neighborhoods around Lawton typically allow metal garages and workshops as long as the color matches the home, the structure is set behind the front building line, and the roof pitch is reasonable. Newer suburban subdivisions usually require architectural review committee approval before the city permit. We can provide a color rendering and dimensioned site plan you can submit for board approval at no charge.
How do you anchor a metal building on Oklahoma clay?+
For enclosed buildings 30′ wide and up, we default to 48-inch helical (auger) anchors driven below the seasonal swell zone. On bare ground for smaller builds we still use 32-inch rebar anchors driven at opposing angles, but the helicals are noticeably better on the clay-loam soils common to Comanche County. On concrete pads we use 3/8-inch wedge anchors at 24-inch o.c., and on freshly poured slabs we can spec a J-bolt embed pattern into the concrete pour for the strongest possible connection.
Are these buildings tornado-rated?+
No metal building, ours or anyone else’s, is rated to survive a direct tornado strike. What our certified units are rated for is sustained wind loads up to 140 MPH and gusts associated with severe thunderstorms, which covers the vast majority of weather events Lawton sees in a year. For maximum survivability we recommend the 12-gauge frame, helical anchors, additional X-bracing in the wall panels, and impact-rated insulated overhead doors.
How long does delivery to Lawton take?+
Standard lead time from order to install in Lawton is currently 4 to 6 weeks for non-certified buildings, with certified units running closer to 6 to 8 weeks because the engineered drawings have to be produced and reviewed by the city before we can break ground. We schedule installs in geographic clusters, so if we already have a job booked nearby that week we can sometimes move you up.
Concrete slab, gravel, or dirt — which do I need for an enclosed building?+
For a fully enclosed metal building, we strongly recommend a concrete slab. A 4″ reinforced slab with thickened edge runs about $5.50–$7.50/sq ft from a local concrete contractor in this area, and it gives you a real working floor, anchors the building correctly, and qualifies the structure for permanent insurance coverage. We will install on compacted gravel or dirt for ag-use buildings, but it is not our recommendation for a workshop or garage.
What roof styles do you offer on enclosed buildings?+
For fully enclosed metal buildings, we install vertical roof only. Vertical-roof panels run from ridge to eave and shed water, snow, and ice cleanly. Boxed eave and regular roof styles trap moisture and ice on enclosed buildings — a problem we will not warranty around — so we don’t offer them on enclosed builds 24′ wide or larger.
What colors can I choose?+
We offer 13 standard panel colors at no upcharge: Barn Red, Burnished Slate, Pebble Beige, Quaker Gray, Ivory, Forest Green, Rustic Red, Black, White, Light Stone, Hawaiian Blue, Clay, and Galvalume bare metal. Roof, walls, wainscot, and trim can each be a different color for a custom look that matches your home or surrounding buildings.
Certified versus non-certified — what’s the difference on an enclosed building?+
A certified enclosed building comes with stamped engineered drawings showing it meets specific wind and snow load ratings for your county, uses heavier anchoring and additional X-bracing in the wall panels, and typically uses 12-ga frame instead of 14-ga. If you need a permit (which is most of the time inside city limits), are in a windy exposed location, or want insurance to cover it as a permanent structure, get certified — typically a $1,200–$2,500 upcharge depending on building size.
Can I add electrical, plumbing, and HVAC after install?+
Yes. We do not run electrical, plumbing, or HVAC ourselves — those are licensed trades and we want you to use a local contractor — but our buildings are designed to accept them easily. Wall panels are interior-accessible, the framing is on standard 5-foot centers that takes electrical conduit cleanly, and we can pre-cut openings for mini-split lines, vents, or sub-panel feeds.
What’s the minimum credit score for financing?+
Our financing partner approves customers with scores as low as 600 for the standard program, and there is also a no-credit-check rent-to-own option for projects up to $30,000. Most customers see 36- to 84-month options with payments starting around $189/month on a basic 24×30 garage.
How much deposit do I need on a metal building?+
For cash orders we require a 10% deposit at signing, with the balance due the day of installation by check or card. For financed orders the deposit is typically zero down (the lender pays us at completion), and for rent-to-own the first month’s payment serves as your deposit. We do not ask for full payment up front on any project under any circumstances.
Can I add insulation, doors, or wainscot later?+
Yes. Insulation can be added later (though it is significantly cheaper at install). Additional doors and windows can be cut in by any qualified metal-building contractor, including us — we charge a flat $295–$595 per opening to come back and install. Wainscot panels can be retrofitted but it is more cost-effective at install. Always cheaper to spec it right the first time.
What is the difference between a metal carport and a fully enclosed metal building?+
A carport is an open-sided structure with a roof and posts only — great for vehicle weather cover but it does not keep things out, secure tools, or hold conditioned air. A fully enclosed metal building has framed walls, a tighter weather envelope, can take insulation, and supports walk doors, roll-up garage doors, sliding barn doors, and windows. Most folks who started with a carport and got tired of dust, blowing rain, and the lack of security upgrade to an enclosed building within a couple of years.
How long does it take to install a 30×50 enclosed building?+
A standard 30×50 vertical-roof building with two roll-ups and a walk-in usually takes our crew two days on a prepared slab or compacted gravel pad. Bigger 40×80 and 50×100 builds run 3–5 days. Insulation install adds about a day, electrical and finish work is a separate trade we can refer or you can hire local.
Can I add insulation later, or does it have to be done at install?+
You can add insulation later, but it is significantly cheaper to do it during initial install. We use double-bubble radiant barrier as the standard insulation upgrade for unconditioned shops (about $1.20–$1.80/sq ft installed), or fiberglass batt with vapor barrier for buildings that will be heated and cooled. R-13 walls and R-19 roof is the typical Oklahoma-climate spec.

Reviews

What Lawton neighbors are saying

4.9★ average across 120 Google reviews

★★★★★

“I called three companies about a 30-by-50 workshop for the home place. Two of them quoted me higher and wanted six weeks just to get a stamped plan together. Marcy had me a written quote the same afternoon and the crew was here 26 days later. Whole thing went up in two and a half days. The roll-up door tracks were a hair off when they finished — they came back the next Friday on their own and adjusted them, no charge, no argument.”

— Wade H., Comanche County · 30×50 enclosed workshop

★★★★★

“Bought a fifth wheel last spring and needed something to keep the sun off it year-round, with sides so the dust does not coat everything. The rent-to-own option was the only way I could swing it. The lady on the phone walked me through the whole thing twice without making me feel dumb for asking. The crew showed up at 7:45 a.m. like they said they would, and the foreman shook my hand before he left. Little things matter.”

— Linda R., Lawton, OK · 30×40 enclosed RV barn

★★★★★

“Needed a 40-by-80 building for the equipment yard before fall. Called several others — all of them wanted 10 to 12 weeks. Barn Brothers had it standing in 35 days flat. The crew showed up at 7 a.m., were eating lunch in the truck by noon on day one, and packed up at 4 on day three. We have had it through one round of those April storms now and it has not creaked. Worth every dollar.”

— Cody M., Comanche County · 40×80 commercial / equipment

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