Custom On-Site Builders is proud to build you a home in one of our premier communities with all of the best that Colorado has to offer. From the majestic views of the front range and the sweeping skies over the foothills, our communities provide all of these from anywhere you choose to build your home. Whether your passion is swimming, hiking, fishing, golfing, or photography, we have just the place for you to build your dream home to suit your every need. Everything, Colorado.

Pelican Farms at Water Valley – Windsor, CO

Where Great Outdoors is Brought Home.

Exclusive community with premier larger lots which can accommodate a 5 car garage. They have unobstructed mountain views nestled between a series of waterways.

Country setting surrounded by lakes with fish, hiking and biking trails, and private beaches. A private pool, golf course, restaurants and so much more. Our extra large lots with unobstructed views are the best this beautiful community has to offer.

Water Valley Website

Tara Moreno, CNHS, CRS

RE/MAX Eagle Rock

970-443-5034 cell

Kathy Beadell, CRS

RE/MAX Eagle Rock

970-290-1798 cel

Dakota Glen – Loveland, CO

New Homes For Sale in Loveland CO.

Situated in the beautiful town of Loveland, Dakota Glen offers an outstanding location just off 14th Street SW (CO Hwy 402) and Wilson Ave. Living at Dakota Glen provides you with access to a variety of outdoor activities, a sculpture park, and convenient shopping and dining. From your new home here, you can easily commute to Boulder, Longmont, and North Denver.

Dakota Glen, where you can enjoy 50 acres of open space with amazing snowcapped mountain & water views, walking trails, plus more! Life at Dakota Glen is different than other communities based on the simple idea of “more.” More choices of homes. More choices of builders. More of “You” in Your Home. We believe in letting YOU choose which lot and YOU choose which builder.

Dakota Glen Website

Venna Hillman

Shorewood Real Estate

970.663.4522 cell
970.663.1897 cell

Heron Lakes – Loveland, CO

A Major Master Planned Community.

From hiking to boating, from fishing to golfing, Heron Lakes Golf Community is the epitome of active Colorado living. With majestic mountain views and miles of lakeshore, this unique setting offers unrivaled beauty to pair with its abundant recreational features. This master planned community will offer an extensive mix of housing opportunities starting with deluxe townhomes and condos to high-end waterfront custom homes. A community clubhouse will offer homeowners a private pool and workout facility to utilize when the lures of the great outdoors relent.


Heron Lakes at TPC Colorado is located on Highway 287 in Berthoud- just north of Longmont and south of Loveland. With close proximity to Denver (one hour), Boulder (30 minutes), and Fort Collins (20 minutes), this is the perfect Northern Colorado place to call home.

Heron Lakes at TPC Colorado will offer a variety of unique neighborhoods within the community. Diverse housing opportunities will be abundant and will include:

  • Custom Homes and Custom Home Sites
  • Luxury, Low Maintenance Villas
  • Deluxe Townhomes
  • High End Condominiums

The Ridge At Marina

New Homes For Sale in Loveland CO.

Mariana Butte is a small community built to highlight the best that Loveland has to offer. If you want a stunning view of the front range, the Big Thompson river, and the Devil’s Backbone, we have a home for you here. In addition to beautiful views, a fine public school system, and easy access to all the amenities you need, Mariana Butte Golf Course has been voted as one of Colorado’s favorite courses.


In west loveland, the ridge is named for its panoramic views overlooking the foothills, hogbacks, devil’s backbone, and colorado big thompson river.

The ridge is the final subdivision in mariana butte’s internationally recognized 18-hole golf course and the reporter herald readers’ choice award for “best golf course” five times.


m On-SIte inc.

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Our goal is now as it has always been.

To provide superior service and quality homes that last for generations.

Harmony Club – Timnath, CO

Experience private club living near Fort Collins, Colorado – consistently voted one of the best places to live in America.

Through unwavering commitment to excellence, this masterfully planned community blends striking natural beauty with resort-inspired amenities.

We are a group of dedicated, like-minded professionals committed to creating a unique place to live and play for all the seasons of life.

Attention to detail, integrity, innovation, passion: These qualities have fueled our success and inform every aspect of Harmony’s ambiance and architectural design.

To better appreciate the layout of the community and golf course, and to begin to imagine just where you might find your own Harmony, please see the map below.

Homes in Harmony reflect a seamless fusing of timeless elegance and innovative design standards. The understated luxury of each home is a hallmark of Harmony’s exquisitely conceived and executed design. From open, relaxed floor plans to lavishly outfitted bathrooms and gourmet kitchens, the lifestyle possibilities are endless. The community is convenient to all northern Colorado communities, and boasts stunning views of the pristine landscape and Colorado’s breathtaking Front Range.

Overlook at Harmonny Club Website


970-224-4622 cell

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Your Custom Lot

Anywhere – Colorado

Found your dream lot in another location? We can build your dream home on any lot, anywhere. Just like our name, we build custom on-site.

We have built our reputation one outstanding home at a time. Our innovative designs and hands-on attention to detail ensures your home will be an expression of timeless beauty throughout the years.

Whether you choose to build on our lot or yours, each home is designed, engineered and built by our team of professionals, using the best building materials Northern Colorado has to offer. We work closely with each homebuyer to build personalized spaces that reflect your vision and our commitment to excellence.


Thank you for visiting our page.

Our goal is now as it has always been.

To provide superior service and quality homes that last for generations.


Bar in Rec Room

Master Bath

Master Bedroom

Dining and Kitchen

Kitchen into Dining

Breakfast Bar

Saguaro Drive