Ranch & One Story Plans
Enjoy effortless, accessible living. The perfect foundation for open-concept layouts and comfortably aging in place.
View Ranch PlansWestern PA’s Custom Modular Home Builder Since 1962
For over 60 years, Tri-County Homes has perfected the smarter, faster way to build your new home.
We specialize in high-quality, custom modular and manufactured homes designed to fit your lifestyle and budget. Whether you are looking for a custom modular estate or a modern manufactured home, we offer a faster, more efficient path to the Pennsylvania home you’ve always wanted.
Floor Plans Designed for Pennsylvania Life
These styles are the starting point for your custom home. Explore the possibilities, find a layout that fits your life, and then let's work together to make it perfect. Our specialty is taking any plan and tailoring it to your exact needs.
Two Story Plans
Maximize your living space on any lot. The smart, flexible choice for growing families who need room to spread out.
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Cape Cod Plans
Build the home you need now and expand with it. A timeless design that offers a smart, flexible investment for the future.
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Cozy Cabin Plans
Authentic log-style charm with rustic knotty pine interiors. The perfect modern retreat, built in partnership with Cozy Cabins.
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Luxury & Vacation Plans
Create your ultimate getaway. These plans feature soaring ceilings, expansive vista glass, and high-end finishes designed for scenic lots.
View Luxury & Vacation PlansThe Smarter, Faster Way to Build Custom Homes
You've seen the plans, but how they're built is what makes the difference. Our modular process isn't just a gimmick; it's a fundamental improvement on traditional home building, designed for the realities of Western Pennsylvania weather.
Built Faster
Your home is built in a state-of-the-art facility while we excavate and build your foundation. This parallel process shaves months off your timeline and gets you into your new home faster.
Built Stronger
Built indoors, your home's structure is never exposed to rain, snow, or a muddy job site. Our homes are built with up to 30% more lumber to be exceptionally rigid for transport and setting, making them incredibly durable.
Smarter & More Efficient
With the factory precision of our partners, we can ensure tighter seals, reduced material waste, and higher-grade insulation. The result? A home that's greener, more energy-efficient, and costs you less to heat and cool every month.
A Clear Process for Your Modular Home
We’ve guided families through this process for decades. We've eliminated the surprises and streamlined every step to be transparent and efficient.
Design & Customization
It all starts with your vision. You’ll sit down with our design team to find the perfect floor plan—whether it's one of ours or a custom design from scratch. We'll tailor every detail, from moving walls to choosing finishes, and finalize the plans.
Site Prep & Factory Build
This is where the magic happens. While our expert local crews are on your property handling excavation, utility hookups, and pouring a perfect foundation, your home is already being built. In a climate-controlled facility, our partners construct your home's modules with precision, safe from weather delays.
Set Day & Final Finish
This is the most exciting day. Your completed modules are delivered to your prepped site. In about a single day, we use a crane to lift and "set" each module onto the foundation, securing them into a single, incredibly strong structure. Our team then gets to work on the final finishing touches to make it 100% move-in ready.
Financing Your Modular Home, Simplified.
Let's talk about the big question. Getting a loan for a modular home isn't a complex, separate process. Our homes are real, permanent property, and they qualify for the same construction loans and traditional mortgages as any site-built home.
The most important part is having a builder who knows the ropes.
We have strong relationships with local and regional lenders who understand the modular process and can guide you through your options. We'll help you navigate the budgeting and pre-approval process, so you can build with confidence and clarity.
Explore Financing OptionsA Western PA Builder You Can Trust. Since 1962.
Let's be blunt: building a new home is one of the biggest decisions you'll ever make. You need a partner you can count on, not a company that just popped up last year.
We’re a family-owned business, and we’ve been building high-quality homes right here in Western Pennsylvania for over 60 years. We live here. We’ve raised our families here. And we’ve built our reputation on a foundation of quality and community, one home at a time. We're not just building houses; we're building for our neighbors.
Meet the Tri-County Team
Modular Solutions for Business & Community
Our expertise in efficient, high-quality modular construction extends beyond homes. We bring the same speed, savings, and reliability to commercial projects, minimizing site disruption and getting you operational faster. It's the perfect solution for offices, retail spaces, educational facilities, and more.
View Our Commercial Services
From Our Experts: Advice & Insights
We've learned a thing or two over the decades. Our blog is where we share that experience—from home-building tips and design trends to a deeper look at the modular process. Get expert advice from a team that's seen it all.
Ready to Start the Conversation?
Our process begins with a simple, no-pressure talk about your vision. Our team has been doing this in Western Pennsylvania since 1962. We're here to offer expert advice, answer your questions, and help you map out a plan. No high-pressure sales pitches, just 60+ years of experience, free of charge.
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