A Rare Opportunity at Promontory

Build your custom home in Promontory, a 220-acre private lake and equestrian community in Zionsville, Indiana, anchored by a 35-acre lake and estate homesites of two acres or more.

Move In Sooner

Skip the wait without sacrificing quality. A limited number of estate homesites in Promontory are ready now, giving you a faster path into one of Zionsville’s most exclusive lake communities. Set just off Michigan Road on Zionsville’s edge, Promontory offers Sigma Builders clients a rare combination of private lake living and wide-open countryside.

Available Lots:

Promontory A11

9970 Windy Hills Dr, Zionsville, IN 46077

Promontory A12

9650 Windy Hills Dr, Zionsville, IN 46077

Promontory C2

1925 Hollingsworth Ln, Zionsville, IN 46077

Design a Home That’s Truly Yours

At Promontory, Sigma Builders works with you from the first site walk to the final walkthrough, shaping a custom floor plan around the community’s lake views and rolling acreage. Every detail, from layout to finishes, is built around how your family actually lives.

More Than a Home

Life at Promontory centers on connection, to the lake, to the land, and to a more intentional way of living.

Private lake access with residential docks and scenic waterfront views
The Meeting House, featuring a fitness center, tennis and pickleball courts, and a community bar
Estate homesites of two acres or more surrounded by rolling countryside
Miles of walking trails through open green space
Athletic fields for sports and outdoor recreation
Community firepits for gathering with neighbors
Quick access to downtown Zionsville’s boutique shopping and dining
Zoned for the highly rated Zionsville Community Schools district

Each element is designed to enhance daily life while preserving the community’s quiet, natural character.

Living in Zionsville, Indiana

Promontory sits at 9825 Windy Hills Drive in Zionsville, a 220-acre lake and equestrian community built around a 35-acre lake, the largest in Boone County. The property holds just 80 estate homesites, each set on two acres or more of rolling countryside just off Michigan Road.

Families building in Promontory are zoned for Zionsville Community Schools, with Union Elementary, Zionsville Middle School, and Zionsville Community High School all serving the community. The location keeps residents minutes from downtown Zionsville’s shopping and dining, while offering a rural, private setting that’s hard to find close to Indianapolis.

Promontory is developed by Henke Development Group, the same team behind Holliday Farms and Bradley Ridge, and served as the site of the 2024 Home-A-Rama. Sigma Builders works directly with buyers to design and build homes suited to the community’s lakefront and countryside lots alike.

Limited Availability. Lasting Value.

Promontory continues to be one of the most desirable communities in the region, making this a rare moment to secure your place.

FAQs

What is the Promontory development in Zionsville, Indiana?

Promontory is a 220-acre private lake and equestrian community in Zionsville, featuring estate homesites of two acres or more surrounded by rolling countryside.

Do I have to start construction right away after buying a lot?

No. Once you close on a homesite in Promontory, you have up to two years before construction needs to begin.

What school district serves Promontory?

Homes in Promontory are zoned for Zionsville Community Schools, including Union Elementary, Zionsville Middle School, and Zionsville Community High School.

Can residents use the community’s 35-acre lake?

Yes. Homeowners have access through residential docks, a community dock, and a low-impact marina, with activities like kayaking, paddleboarding, and electric pontoon boating.