What are the opening hours?

Monday 8am - 4:30pm Tuesday 8am - 4:30pm Wednesday 8am - 4:30pm Thursday 8am - 4:30pm Friday 8am - 4:30pm

Heneghan and Associates, Inc.

Name: Heneghan and Associates, Inc.
Address: 1004 Illinois 16, Jerseyville, IL, 62052, US
Telephone: +16184986418

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Jerseyville, IL
Heneghan and Associates, Inc.

Since ‘86 /Civil Engineering & Land Surveying Firm. Vernon, Maryville, IL & Arnold MO Founded in 1986. We are a Civil Engineering&Land Surveying Firm.

We collaborate with landowners & municipalities to
deliver innovative solutions for a variety of projects.
📍Jerseyville, Columbia, Mt. With locations in, Jerseyville, Columbia, & Mt Vernon, IL & Arnold, MO. Our team collaborates with landowners & municipalities to deliver innovative solutions for a variety of projects

09/23/2026

📣 Ready for your next opportunity? HA is growing, and we’re looking for talented, motivated individuals to join our team. Check out our current openings and see where a career with HA could take you!

Apply today at haengr.com/careers.

09/17/2026

🎊 Congratulations to Twyla and Richard on their work anniversaries!

Today we're celebrating the experience and dedication they bring to HA. Their efforts help keep projects moving, support our clients, and contribute to a strong team culture.

Thank you both for everything you do!

09/16/2026

From foundations to finishing touches, construction teams help shape the world around us. Thank you for your craftsmanship, perseverance, and pride in every project. Happy National Construction Appreciation Week! 👷‍♂️👷‍♀️

09/11/2026

🐥 We had a great time at the Jersey Community Hospital Foundation Lucky Duck Derby at Raging Rivers WaterPark, Grafton, IL.

It was wonderful to see so many local businesses and community members come together in support of a great organization. Thank you to everyone who helped make the event such a success.

🦆 We're always happy to flock together for a good cause.

09/09/2026

Thinking of building a fence, shed, or driveway?

Avoid boundary blunders with a survey.

A boundary survey can save you from:
🚫Property disputes
🚫Costly mistakes
🚫Stress with neighbors

👉Small step now = big peace of mind later.

09/04/2026

Our offices will be closed on Monday, September 7, in observance of Labor Day. We wish everyone a safe and enjoyable holiday weekend!

09/03/2026

We had a fantastic time at the Jefferson County Chamber of Commerce's 2026 Annual Chamber Golf Outing last Friday.

The weather was perfect, the course was great, and it was a pleasure connecting with local businesses and community partners throughout the day. We're proud to support the Chamber and grateful to be part of such a strong business community.

09/01/2026

We enjoyed spending the day at the Jersey County Business Association Annual Golf Scramble last week! ⛳

It was a great opportunity to connect with fellow Jersey County businesses and community partners.

Heneghan Associates is proud to support the JCBA and the work they do to strengthen our local business community.

08/26/2026

Looks like a camera, doesn't it?

It's actually a Total Station, a high-precision surveying instrument that helps our team gather the data needed to design and build with confidence.

From measuring elevations to marking exact locations in the field, this technology plays a critical role in keeping projects accurate from start to finish.

It's not taking photos. It's helping shape the world around us.

👉 Swipe to learn more.

08/13/2026

Ever wonder what’s really going on beneath a fire hydrant? 🚨

You see the red top above ground, but underneath? It’s like the secret lair of your water system — full of valves, connections, and a whole lot of heavy lifting to keep water flowing where and when it’s needed.

This behind-the-scenes look shows how hydrants connect to underground water lines — it’s not glamorous, but it’s essential. Without this setup, that hydrant wouldn’t do much more than look good in a photo.

Water infrastructure: not always pretty, but always important.

Address

1004 Illinois 16
Jerseyville, IL
62052

Opening Hours

Monday	8am - 4:30pm
Tuesday	8am - 4:30pm
Wednesday	8am - 4:30pm
Thursday	8am - 4:30pm
Friday	8am - 4:30pm

Telephone

+16184986418

Website

https://haengr.com/

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