Our Projects

Based in Watertown, CT, Errigal Construction is a signatory union contractor and commercial builder with over 15 years of local experience. Offering professional and affordable union construction services, our company has completed over one million square feet of commercial development throughout New England, and our office is always open to new potential clients.

Signatory Union Contractors in New England

Representing the Local Union 723, United Brotherhood of Carpenters & Joiners, the Errigal team is committed to the betterment of our community with quality workmanship and affordable rates. Every project we consider begins with a complete hazard analysis and rigorous safety checks are observed throughout the entire process.

From the initial consultation until the final member of our educated and skilled workforce exits a jobsite, Errigal Construction guarantees a positive experience for all our clients, with a focus on accuracy, communication, and quality customer service.

No matter where your property is located, Errigal Construction is completely comfortable bringing our union construction services to rural, suburban, and intercity areas with the tools, technology, and know-how to always get the job done right.

Our Union Construction Services

As an affordable signatory union contractor, we focus on wood frame construction, using Cross Laminated Timber (CLT) to raise new commercial buildings efficiently and effectively. Our growing portfolio is full of successful projects, and our commercial building services include help with:

Washington Village Parcel 1, 2 & 3 Norwalk, CT

350,000 sq’  Apartment buildings

Deerfield Academy, Deerfield, MA

33,000 sq’ Deerfield Academy Dorm

Beacon Hill


Carter Mario Law Office, Milford

Install 30,0000 sq’ Office building

530 Western Ave, Brighton

Install 122,000 sq’ Apartment building

6 Congress Ave, Parcel 9 & 10, New Haven

Install 460,000 sq’ Apartments

6 Congress Ave, Parcel 11, New Haven

Install 460,000 sq’ Apartments

Webb-Deane Stevens Museum Education & Visitors Center, Weathersfield, Ct

Supply and install 8,000 sq’ Museum

11 Lenox Street Boston

45,000 sq’ Appartment building Mass Timber project

CCCC Science & Engineering Building

35,000 sq’ College Mass timber CLT roof install

CIEE 69 A Street, Boston, MA

30,000 sq’ Apartment Mass timber project

Community Healthcare, Meriden, CT

5,000 sq’ Post and beam prefab and install

H. Smith Richardson Clubhouse, Fairfield, CT

25,000 sq’ Club House /Cart barn Supply and install

Manchester Memorial Elementary School, Manchester-by-the-Sea

4,000 sq’ School post and beam install

Quinnipiac University Health & Wellness Center, Hamden, CT

35,000 sq’ UniversityMass timber install

Prospect, Pawtucket, Storage facility 

45,000 sq’ Restructure Stucutural members Storage facility

Westport Project, Darien, CT

15,000 sq’ Apartments Mass Timber install

Build better with Errigal Construction.
Serving Connecticut, Massachusetts, and clients throughout New England, Errigal Construction is proud to offer union contracting services with great rates and quality craftsmanship guaranteed. 

Contact us today to learn more about our company, or give us a call at 203-509-2977 for questions, quotes, and more. We are always open to new commercial building development and are happy to consider most wood frame construction projects in New England.