Cornerstone Construction Services, LLC
Cornerstone Construction Services, LLC is a small business in Woburn, MA registered on SAM.gov to bid on federal contracts. It has won about $47.1 million in federal prime contracts since fiscal year 2024, according to USAspending.gov's award records for its UEI.
- UEI
- JYEWBM2PC2J5
- CAGE code
- 4XRZ9
- SAM.gov registration
- Active
Federal contract history
| Fiscal year | Obligated, prime contracts |
|---|---|
| FY2024 | $18.6 million |
| FY2025 | $6.9 million |
| FY2026 (incomplete) | $21.6 million |
| FY2027 (so far) | $47,945 |
FY2026 ended September 30, and its year-end contract reports and corrections are still arriving, so it's marked incomplete until about early January 2027.
These are every prime contract USAspending.gov records under UEI JYEWBM2PC2J5, from its award search. For a company that is part of a parent company, USAspending's recipient page can show a different figure for a year, because it counts the company's own record and its parent's record separately.
Its biggest federal customers since fiscal year 2024: Public Buildings Service ($17.9 million), Federal Aviation Administration ($16.1 million), Department of Veterans Affairs ($7.9 million), U.S. Coast Guard ($2.5 million) and U.S. Fish and Wildlife Service ($1.6 million).
Recent contract awards
New contracts, by the date each was first signed. Orders and changes to older contracts count in the yearly totals above but aren't listed here, and Defense awards appear 90 days after signing.
| Awarded | Agency | What it's for | Obligated |
|---|---|---|---|
| Aug 25, 2026 | Public Buildings Service | Oneill fob hydronic piping phase 4 | $2.4 million |
| Aug 13, 2026 | Federal Aviation Administration | Demolition of the laguardia airport runway 22 localizer shelter, flushing NY | $160,000 |
| Aug 10, 2026 | Public Buildings Service | Task order to replace crac units located at the EPA complex(DC0523AB, DC0522AB,… | $2.7 million |
| Aug 10, 2026 | U.S. Fish and Wildlife Service | Construct boat launch, parking lot and trail (umbagog NWR) | $1.6 million |
| Jul 29, 2026 | Public Buildings Service | Passenger elevator modernization at at philibin federal building in fitchburg, MA | $1.2 million |
| Jul 6, 2026 | Department of the Air Force | In accordance with the statement of work (SOW) dated 18 may 2026, this project is… | $250,000 |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
Registration details
Show registration details
From SAM.gov's monthly public file dated Nov 1, 2026. If the business has updated its registration since, SAM.gov shows the newer details.
| Legal business name | Cornerstone Construction Services, LLC |
|---|---|
| Unique Entity ID (UEI) | JYEWBM2PC2J5 |
| CAGE code | 4XRZ9 |
| Location | Woburn, MA |
| SAM.gov registration | Active through Aug 17, 2027 |
| Business started | 2007 |
| Primary NAICS code | 236220: Commercial and Institutional Building Construction |
| Website | www.cornerstone-serv.com |
| How to contact | Through its website above. No phone or email in SAM.gov's public file. Search UEI JYEWBM2PC2J5 in SBA's Small Business Search for a contact the business added. |
Certifications and business types
No SBA certification (8(a), HUBZone or WOSB) in SAM.gov's public file (Nov 1, 2026).
- Service-disabled veteran-owned (self-reported in SAM.gov)
- Veteran-owned (self-reported in SAM.gov)
SBA certifications let a business compete for set-aside contracts (set-asides explained). Check the current record on its SAM.gov entry.
How to check or correct this record
The file sometimes leaves a certification out, and a newer one won't be in it yet. Self-reported business types are what the firm says about itself on SAM.gov; they aren't SBA certifications. This page doesn't show SBA's VetCert certification for veteran-owned firms; SBA's search below does.
Check or correct this record at the source: open its SAM.gov entry, or search UEI JYEWBM2PC2J5 () in SAM.gov's entity search (free sign-in) and in SBA's Small Business Search (formerly DSBS), which shows SBA certifications including VetCert. The business can update its details in its SAM.gov registration and its certifications at certifications.sba.gov.
NAICS codes Cornerstone Construction Services, LLC is small under
On its SAM.gov registration, Cornerstone Construction Services, LLC meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 236220 Commercial and Institutional Building Construction
- 221310 Water Supply and Irrigation Systems
- 221320 Sewage Treatment Facilities
- 236210 Industrial Building Construction
- 237110 Water and Sewer Line and Related Structures Construction
- 237130 Power and Communication Line and Related Structures Construction
- 237210 Land Subdivision
- 237310 Highway, Street, and Bridge Construction
- 237990 Other Heavy and Civil Engineering Construction
- 238110 Poured Concrete Foundation and Structure Contractors
- 238120 Structural Steel and Precast Concrete Contractors
- 238160 Roofing Contractors
- 238190 Other Foundation, Structure, and Building Exterior Contractors
- 238210 Electrical Contractors and Other Wiring Installation Contractors
- 238220 Plumbing, Heating, and Air-Conditioning Contractors
- 238290 Other Building Equipment Contractors
- 238330 Flooring Contractors
- 238910 Site Preparation Contractors
- 238990 All Other Specialty Trade Contractors
- 541330 Engineering Services
- 541360 Geophysical Surveying and Mapping Services
- 541370 Surveying and Mapping (except Geophysical) Services
- 541620 Environmental Consulting Services
- 541690 Other Scientific and Technical Consulting Services
Open contracts in Cornerstone Construction Services, LLC's NAICS codes
867 open federal opportunities on SAM.gov use one of Cornerstone Construction Services, LLC's NAICS codes and may be open to it: no set-aside, or, in the codes it is registered small under, a small business set-aside or one for a status it reports about itself on SAM.gov (service-disabled veteran-owned). Here are a few, those in its primary code first, then those in Massachusetts, then the soonest due.
Confirm eligibility first. Cornerstone Construction Services, LLC's service-disabled veteran-owned status is self-reported on SAM.gov, and this page can't confirm an SBA certification for it, so set-asides for it may be relevant but may not be open to it: SDVOSB and VOSB set-asides need SBA VetCert certification. That applies to these 2 notices below: “523A4-CSI-288 3.0T MRI Site Prep - Design Build West Roxbury VA Medical Center (VAMC_ West Roxbury, MA” and “657-27-103JB, FCA Replace Building 51 Roof, JB”. SBA's Small Business Search shows a firm's current certifications.
- USCG ISA Tenant Improvement Construction Project
✦ GSA is doing market research for a tenant fit-out for the U.S. Coast Guard Northeast District at the JFK Federal Building in Boston, MA, including a secure SCIF. This is a…
Due in 16 daysNov 23, 2026, 2:00 PM EST
- 523A4-CSI-288 3.0T MRI Site Prep - Design Build West Roxbury VA Medical Center (VAMC_ West Roxbury, MA
✦ Presolicitation: only service-disabled veteran-owned small businesses (SDVOSBs) can bid on this design-build project, which the Department of Veterans Affairs Program Contracting…
Expected Nov 27, 2026When the solicitation is expected, not a bid deadline.
- Hanscom’s Execution & Rapid Operations (HERO) Umbrella Program Notice
Due Sep 29, 2027End of day (12:00 AM Sep 30 EDT)
- Building 143 Concrete Scale Pad Expansion and Dock Leveler Replacement
Due in 2 daysNov 9, 2026, 10:00 AM EST
- 657-27-103JB, FCA Replace Building 51 Roof, JB
✦ This is a sources sought notice, market research only, from the VA (Network Contract Office 15) for replacing the Building 51 roof at the St.
Due in 2 daysNov 9, 2026, 10:00 AM CST
Similar small businesses
Other small businesses of a similar size with the same primary NAICS code (236220) that have won federal contracts in Massachusetts:
- Stone & Lime Imports, Inc, Brookfield, MA
- Ironclad Services Inc, Springfield, MA
- P & S Construction Inc., Westford, MA
- Classic Site Solutions Inc, Wilbraham, MA
- Kee Solutions LLC, Bourne, MA
- Brican, Inc., Springfield, MA
Is this your business? Get a reminder before the SAM.gov registration expires
Get a reminder before the SAM.gov registration expires. It's active through Aug 17, 2027. We'll email you 60, 30 and 7 days ahead, and if it lapses.
Frequently asked questions
What is Cornerstone Construction Services, LLC's CAGE code?
Cornerstone Construction Services, LLC's CAGE code is 4XRZ9. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Cornerstone Construction Services, LLC's UEI?
Cornerstone Construction Services, LLC's Unique Entity ID (UEI) is JYEWBM2PC2J5. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Cornerstone Construction Services, LLC's SAM.gov registration active?
Yes, as of SAM.gov's public data from Nov 1, 2026, Cornerstone Construction Services, LLC's registration is active through Aug 17, 2027. Registrations are renewed every year.
Is Cornerstone Construction Services, LLC a small business?
Cornerstone Construction Services, LLC is registered on SAM.gov as small under 28 NAICS codes, including its primary code, 236220. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
- Hiring subcontractors? List small businesses by state, NAICS code and certification
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To report a mistake on this page, or to ask us to remove it, email hello@fedready.us with the page address; we reply within 2 business days. For a removal, write from an address at the company.