If you live in the Inland Northwest and ride year-round, you already know the weather doesn’t always cooperate. Between Spokane’s snowy winters and unpredictable spring rains, an indoor arena isn’t a luxury—it’s a game-changer. At Stimson Contracting, we specialize in designing and building custom indoor arenas that perform beautifully in every season.
Over the years, we’ve helped equestrians, ranchers, and riding instructors across the region create fully enclosed, weatherproof arenas that support their passion, business, or both. Whether you’re dreaming of a small private arena or a full-scale commercial training facility, I’ll walk you through what makes our indoor arenas reliable, functional, and truly tailored to Spokane’s climate.
Table of Contents
1. Why Build an Indoor Arena in Spokane?
We’re no strangers to snow, wind, and rain in Eastern Washington. An indoor arena:
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Lets you train year-round, no matter the weather
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Provides shelter for horses and riders
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Increases property value and function
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Supports clinics, lessons, and events without rescheduling
It’s one of the smartest investments for serious equestrians in our region.
2. Post-Frame Construction: Ideal for Arenas
We use post-frame (pole) construction for almost all our arenas because it allows:
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Large clear spans—no interior support beams
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Flexible heights for jumping, roping, or dressage
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Faster build times and cost-efficiency
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Durable metal siding and roofing built for Spokane’s climate
It’s the perfect match of form, function, and affordability.
3. Sizing and Layout Options
Most clients choose sizes like:
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60' x 120' for private use or small groups
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80' x 160' for trainers or lesson barns
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100' x 200' or larger for commercial use or multi-discipline facilities
We’ll help you design a layout that fits your discipline, land, and long-term goals.
4. Footing and Base Preparation
We work with local experts to ensure your arena has the right base and footing, including:
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Compacted sub-base for drainage
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Washed sand, screenings, or custom footing mixes
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Options for dust control and future footing upgrades
We can also install perimeter kickboards and fencing for safety.
5. Ventilation and Lighting Considerations
A bright, breathable space makes all the difference. We recommend:
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Eave and ridge vents for passive airflow
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Large overhead fans or open-wall panels
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LED high-bay lighting
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Skylights or translucent panels for natural light
This ensures year-round comfort for both horse and rider.
6. Optional Add-Ons: Viewing Rooms, Stalls, and Storage
Your arena doesn’t have to stand alone. Many clients add:
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Heated viewing lounges or classrooms
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Adjacent stall barns or turnout pens
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Tack and feed rooms
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Hay and equipment storage areas
We can design a complete equestrian complex—whatever you envision.
7. Designing for Safety and Comfort
Every arena we build includes safety-focused details:
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High ceilings to prevent spooking
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Smooth interior walls with no exposed hardware
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Non-slip entrances and exit areas
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Thoughtful aisle and gate placement
We build with your horses’ safety—and your peace of mind—in mind.
8. Permitting and Zoning in Spokane County
We know the local permitting process and can help navigate:
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Agricultural exemptions
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Land-use regulations for large structures
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Setback and height rules
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Stormwater and drainage requirements
Let us handle the red tape while you plan your first ride.
9. All-Season Use: Heating and Insulation Tips
While most indoor arenas aren’t fully heated, we can help you design for comfort in all weather:
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Roof insulation to reduce summer heat
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Partial wall insulation for winter use
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Infrared heaters for viewing areas or wash bays
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Durable, sealed entry doors for cold seasons
You’ll be able to ride through Spokane winters with ease.
10. Conclusion: Build for Today—and Tomorrow
Whether you ride for pleasure or run a business, an indoor arena opens up year-round possibilities. With smart planning, durable materials, and a contractor who understands Spokane weather, your new facility will serve you and your horses for decades.
At Stimson Contracting, we’re proud to be Spokane’s trusted indoor arena builders. From concept to completion, we’ll work with you to create a space that fits your land, your budget, and your equestrian lifestyle.
📞 Call today to schedule a free site consultation 509.244.2636
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