Federal contractor profile
COASTLINE CONSULTING & DEVELOPMENT, LLC
UEI KXLKEGR2K4M6CAGE 43XC0Company website ↗
Overview
- Legal name
- COASTLINE CONSULTING & DEVELOPMENT, LLC
- Registered location
- BRANFORD, CT, USA
- Website
- Company website ↗
- Primary NAICS
- 237990 — Other Heavy and Civil Engineering Construction
- Latest award activity
- Oct 31, 2025
Read company summary
COASTLINE CONSULTING & DEVELOPMENT, LLC is associated with UEI KXLKEGR2K4M6 and CAGE 43XC0 in public federal records. AcornBids currently links 6 prime awards totaling $9.2M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Other Heavy and Civil Engineering Construction. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 237990 (Other Heavy and Civil Engineering Construction). Its public SAM.gov registration lists BRANFORD, CT, USA.
At a glance
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 14, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- COASTLINE CONSULTING & DEVELOPMENT, LLC
- UEI
- KXLKEGR2K4M6
- CAGE
- 43XC0
- Registered address
- 261 E MAIN ST, BRANFORD, CT, 06405, USA
- Registration status
- Active
- Primary NAICS
- 237990 — Other Heavy and Civil Engineering Construction
- SAM activation
- Jun 22, 2026
- Initial registration
- Aug 30, 2005
- Entity start
- Jul 22, 1998
- SAM updated
- Jun 22, 2026
- Registration expires
- Jun 17, 2027
- Fiscal year end
- Dec 31
- Place of incorporation
- CT, USA
Research brief
Source facts
- Loaded prime-award records link 6 awards and $9,184,717 in reported obligations to this legal entity. Source
- Recorded awards include Other Heavy and Civil Engineering Construction (NAICS 237990); this classification is not proof of every company capability. Source
- An example award describes: MAINTENANCE DREDGING STONY CREEK HARBOR, BRANFORD, CONNECTICUT Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 6 of 6 selected awards. Select a period to explore its awards.
Funding change
Dated, valued transaction obligations in equal-length adjacent periods; missing records are unknown. Default: last completed federal fiscal year. Percentage is unavailable when the prior period has no positive reported obligations.
| Measure | Reported value |
|---|---|
| Current period | Oct 1, 2025 – Sep 30, 2026 |
| Current obligations | $27.5K |
| Prior period | Oct 1, 2024 – Sep 30, 2025 |
| Prior obligations | $2.3M |
| Change | $-2.2M |
| Growth | -98.8% |
Where the work is performed
State tile map; darker tiles have larger absolute net obligations. Outlined tiles indicate net deobligations. Unshaded tiles have no reported transactions in this selection. Other locations appear in the table.
Agencies
| Category | Period obligations | Awards |
|---|---|---|
| Department of Defense | $2.4M | 3 |
| Department of Homeland Security | $-111.1K | 3 |
Offices
| Category | Period obligations | Awards |
|---|---|---|
| W2SD ENDIST NEW ENGLAND | $2.4M | 3 |
| CEU PROVIDENCE(000G1) | $-111.1K | 3 |
Naics
| Category | Period obligations | Awards |
|---|---|---|
| 237990 — Other Heavy and Civil Engineering Construction | $2.3M | 6 |
Psc
| Category | Period obligations | Awards |
|---|---|---|
| Y1QA — CONSTRUCTION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE) | $2.4M | 3 |
| Z1KF — MAINTENANCE OF DREDGING FACILITIES | $-111.1K | 3 |
Vehicles
| Category | Period obligations | Awards |
|---|---|---|
| Unclassified | $2.3M | 6 |
Set Asides
| Category | Period obligations | Awards |
|---|---|---|
| SMALL BUSINESS SET ASIDE - TOTAL | $2.3M | 6 |
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| W912WJ25CA013MAINTENANCE DREDGING STONY CREEK HARBOR, BRANFORD, CONNECTICUT | Department of Defense | $2.5M | Oct 1, 2025 | Feb 15, 2026 |
| 70Z0G125CSLIS0001DREDGE CHANNEL AT USCG STATION EATONS NECK (FY25) NORTHPORT, NEW YORK | Department of Homeland Security | $576.2K | Jan 30, 2025 | May 30, 2025 |
| W912WJ24C0020MAINTENANCE DREDGING, JOSIAS RIVER AT PERKINS COVE, OGUNQUIT, MAINE | Department of Defense | $2.6M | Sep 9, 2024 | Apr 15, 2025 |
| 70Z0G122CABCD0001BOAT BASIN DREDGING AT USCG STATION JONESPORT, ME | Department of Homeland Security | $425.3K | Nov 4, 2021 | Nov 4, 2021 |
| 70Z0G124CSLIS0002THE PROJECT INCLUDES ALL PERSONNEL, EQUIPMENT, MATERIALS, TOOLS, VEHICLES, SUPERVISION, AND OTHER ITEMS AND SERVICES REQUIRED TO PERFORM MAINTENANCE DREDGING AT THE USCG STATION… | Department of Homeland Security | $2.4M | Sep 9, 2024 | Feb 7, 2025 |
| W912WJ24C0002MAINTENANCE DREDGING CUTTYHUNK HARBOR, CUTTYHUNK ISLAND, MASSACHUSETTS | Department of Defense | $742.9K | Nov 20, 2023 | Mar 15, 2024 |
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Jun 22, 2026 |
| Source loaded | Sep 19, 2026 |
| Initial registration | Aug 30, 2005 |
| Entity start | Jul 22, 1998 |
Registration classifications: Self Certified Small Disadvantaged Business, Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 237990 — Other Heavy and Civil Engineering Construction | Not reported |
| 238140 — Masonry Contractors | Not reported |
| 238990 — All Other Specialty Trade Contractors | Not reported |
| 541310 — Architectural Services | Not reported |
| 541330 — Engineering Services | Not reported |
| 541340 — Drafting Services | Not reported |
| 541370 — Surveying and Mapping (except Geophysical) Services | Not reported |
| 541490 — Other Specialized Design Services | Not reported |
| 541620 — Environmental Consulting Services | Not reported |
| 541690 — Other Scientific and Technical Consulting Services | Not reported |
| 561730 — Landscaping Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| MARK E JACKSON | Government business | Contact method not published | SAM registration | Not available |
| MARK E JACKSON | Electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 237990 — Other Heavy and Civil Engineering Construction
- 238140 — Masonry Contractors
- 238990 — All Other Specialty Trade Contractors
- 541310 — Architectural Services
- 541330 — Engineering Services
- 541340 — Drafting Services
- 541370 — Surveying and Mapping (except Geophysical) Services
- 541490 — Other Specialized Design Services
- 541620 — Environmental Consulting Services
- 541690 — Other Scientific and Technical Consulting Services
- 561730 — Landscaping Services
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
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Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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