# Horizon Building Group

> Horizon Building Group is a commercial and multi-family construction firm headquartered in Coopersville, Michigan, serving West Michigan. With 170+ years of combined expertise, the firm delivers projects through four methods — pre-construction, general contracting, construction management (CMAR), and owner's representative/consulting — guided by the philosophy "Envision. Engage. Execute."

## Key facts

- Company: Horizon Building Group
- Headquarters: Coopersville, Michigan, USA
- Phone: 616.984.0204 (+1-616-984-0204)
- Email: info@HorizonBuildingGroup.com
- Slogan: Envision. Engage. Execute.
- Specialties: Multi-family residential and commercial construction
- Experience: 170+ years of combined team expertise
- Service area: West Michigan, generally within an hour's drive of Coopersville — including Grand Rapids, Muskegon, Grand Haven, Holland, Allendale, Grandville, Wyoming, Kentwood, Hudsonville, Jenison, Zeeland, Rockford, Spring Lake, Norton Shores, Walker, Ada, Lowell, Cedar Springs, Comstock Park, Greenville, Wayland, Hastings, Ionia, Belding, Fremont, and Newaygo.

## Services

- [Pre-Construction Services](https://www.horizonbuildinggroup.com/services/pre-construction.html): Conceptual and detailed estimating, value engineering, constructability reviews, master scheduling, site/feasibility analysis, and permitting strategy that de-risk a project before construction begins.
- [General Contracting](https://www.horizonbuildinggroup.com/services/general-contracting.html): Document-driven execution for clients with complete construction documents — subcontractor and supplier management, quality control, safety, schedule control, and closeout.
- [Construction Management (CMAR)](https://www.horizonbuildinggroup.com/services/construction-management.html): Construction Manager-at-Risk delivery combining early pre-construction collaboration with general contracting under a guaranteed maximum price (GMP) and open-book accounting.
- [Consulting & Owner's Representative](https://www.horizonbuildinggroup.com/services/consulting-owners-representative.html): Independent advocacy and technical expertise on the owner's behalf — project oversight, budget/schedule monitoring, contractor selection, document review, and risk management.

## Primary pages

- [Home](https://www.horizonbuildinggroup.com/): Overview of the firm, services, and West Michigan service area.
- [Services](https://www.horizonbuildinggroup.com/services/): Index of all four delivery methods.
- [About](https://www.horizonbuildinggroup.com/about.html): Company story, philosophy, and values.
- [Our Team](https://www.horizonbuildinggroup.com/team.html): Founders Robb Constantine and Lee Garrity plus the project managers, superintendents, tradespeople, marketing, and finance team.
- [Recent Projects](https://www.horizonbuildinggroup.com/projects.html): Examples of recent multi-family and commercial construction work across West Michigan.
- [Service Areas](https://www.horizonbuildinggroup.com/service-areas.html): Communities served across West Michigan.
- [Contact](https://www.horizonbuildinggroup.com/contact.html): Phone, email, hours, and project inquiry form.

## Optional

- [Full LLMs text](https://www.horizonbuildinggroup.com/llms-full.txt): Expanded, single-file description of the company, services, FAQs, and service area for AI assistants.