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NY State contractorConstruction & Renovation

Welch Construction Inc

Marcellus, NY State contracts since 2016Updated Nov 13, 2026

Welch Construction Inc holds 8 contracts worth $1.8M with 2 New York State agencies, most with Office of General Services - Design & Construction; none active today. The first started in 2016.

Total contract value
$1.8M
Current contract amounts
Spent to date
$1.3M
73% of contract value
Active contracts
0
None active today
Contracts on record
8
Since 2016
Agencies served
2
Most with Office of General Services - Design & Construction
Years active
10
First contract 2016

Contact & company

Business information and how to reach the company.

Address

4331 Slate Hill RDMarcellus, NY 13108Onondaga County
Legal name
Welch Construction Inc.Doing business as Welch Construction Inc
Identifiers
UEI N78KKEV1N7V7 · CAGE 52B94
Federal registration
Active · renews by Mar 2027
In business since
2000

Industry codes (NAICS)

  • 236220Commercial and Institutional Building Construction
  • 221320Sewage Treatment Facilities
  • 236210Industrial Building Construction
  • 237110Water and Sewer Line and Related Structures Construction
  • 237120Oil and Gas Pipeline and Related Structures Construction
  • 237130Power and Communication Line and Related Structures Construction
  • 237310Highway, Street, and Bridge Construction
  • 237990Other Heavy and Civil Engineering Construction
  • 238110Poured Concrete Foundation and Structure Contractors
  • 238120Structural Steel and Precast Concrete Contractors
  • 238140Masonry Contractors
  • 238160Roofing Contractors

Certifications

  • Veteran-owned
  • Service-disabled veteran-owned (SDVOSB)

Shown for reference. Certifications are not part of the Contractor Score; confirm current status with the certifying agency.

Leadership

  • Mark J Welch

    President

Contracts

8 contracts with New York State agencies, active first. Open a row for the full record.

Contracts
DetailsContractTypeContract no.Term

Repair Roof Leak Bldg 51 Mohawk Valley Psychiatric Center Oneida County

DEE151TConstruction: Building

Office of General Services - Design & ConstructionConstruction: BuildingConstructionDEE151TJul 23, 2019to Dec 20, 2019Jul 23, 2019Dec 20, 2019$150,000$84,460 spent$84,460

Restore Roof, Building 12 Mohawk Valley PC, Herkimer County

DED612TConstruction: Building

Office of General Services - Design & ConstructionConstruction: BuildingConstructionDED612TOct 16, 2017to Feb 13, 2018Oct 16, 2017Feb 13, 2018$150,000$28,690 spent$28,690

Project #1028 vascular clinic

T550197Contract not subject to state pre-audit

SUNY - Upstate Medical UniversityContract not subject to state pre-auditNot pre-auditedT550197Aug 16, 2016to Jun 30, 2017Aug 16, 2016Jun 30, 2017$553,859$553,859 spent$553,859

Investigate/Repair Chiller, McPike ATC

DED184HConstruction: Building

Office of General Services - Design & ConstructionConstruction: BuildingConstructionDED184HApr 14, 2016to Oct 11, 2016Apr 14, 2016Oct 11, 2016$200,000$65,644 spent$65,644

Replace Deteriorated Columns, Art and Home Ctr, NYS Fairgrounds

DED186CConstruction: Miscellaneous

Office of General Services - Design & ConstructionConstruction: MiscellaneousConstructionDED186CMar 25, 2016to Jul 23, 2016Mar 25, 2016Jul 23, 2016$200,000$139,604 spent$139,604

Correct Structural Deficiencies, Bldg 108, Central NY PC

DED094CConstruction: Miscellaneous

Office of General Services - Design & ConstructionConstruction: MiscellaneousConstructionDED094CFeb 19, 2016to Aug 31, 2016Feb 19, 2016Aug 31, 2016$351,984$331,395 spent$331,395

Provide Snow Removal, Storehouse Roof, Bldg 108, Central NY PC Oneida County

DED128TConstruction: Building

Office of General Services - Design & ConstructionConstruction: BuildingConstructionDED128TJan 19, 2016to Apr 28, 2016Jan 19, 2016Apr 28, 2016$75,000$0 spent$0

Investigate & Mitigate Radon in Basement, Cortland Regional Sub-Office

DEC822HConstruction: Building

Office of General Services - Design & ConstructionConstruction: BuildingConstructionDEC822HJan 15, 2016to May 14, 2016Jan 15, 2016May 14, 2016$96,860$86,860 spent$86,860
Repair Roof Leak Bldg 51 Mohawk Valley Psychiatric Center Oneida CountyOffice of General Services - Design & ConstructionJul 23, 2019 – Dec 20, 2019$150,000
Description
Repair Roof Leak Bldg 51 Mohawk Valley Psychiatric Center Oneida County
Contract number
DEE151T
Type
Construction: BuildingConstruction
Term
Jul 23, 2019 → Dec 20, 20195 months
Approved
Sep 24, 2019
Status
Ended
Amount
$150,000
Spent to date
$84,460 · 56% of the amount
Restore Roof, Building 12 Mohawk Valley PC, Herkimer CountyOffice of General Services - Design & ConstructionOct 16, 2017 – Feb 13, 2018$150,000
Description
Restore Roof, Building 12 Mohawk Valley PC, Herkimer County
Contract number
DED612T
Type
Construction: BuildingConstruction
Term
Oct 16, 2017 → Feb 13, 20184 months
Approved
Nov 17, 2017
Status
Ended
Amount
$150,000
Spent to date
$28,690 · 19% of the amount
Project #1028 vascular clinicSUNY - Upstate Medical UniversityAug 16, 2016 – Jun 30, 2017$553,859
Description
Project #1028 vascular clinic
Contract number
T550197
Type
Contract not subject to state pre-auditNot pre-audited
Term
Aug 16, 2016 → Jun 30, 201710 months
Approved
Oct 5, 2016
Status
Ended
Amount
$553,859
Spent to date
$553,859 · 100% of the amount
Investigate/Repair Chiller, McPike ATCOffice of General Services - Design & ConstructionApr 14, 2016 – Oct 11, 2016$200,000
Description
Investigate/Repair Chiller, McPike ATC
Contract number
DED184H
Type
Construction: BuildingConstruction
Term
Apr 14, 2016 → Oct 11, 20166 months
Approved
Jun 8, 2016
Status
Ended
Amount
$200,000
Spent to date
$65,644 · 33% of the amount
Replace Deteriorated Columns, Art and Home Ctr, NYS FairgroundsOffice of General Services - Design & ConstructionMar 25, 2016 – Jul 23, 2016$200,000
Description
Replace Deteriorated Columns, Art and Home Ctr, NYS Fairgrounds
Contract number
DED186C
Type
Construction: MiscellaneousConstruction
Term
Mar 25, 2016 → Jul 23, 20164 months
Approved
Apr 15, 2016
Status
Ended
Amount
$200,000
Spent to date
$139,604 · 70% of the amount
Correct Structural Deficiencies, Bldg 108, Central NY PCOffice of General Services - Design & ConstructionFeb 19, 2016 – Aug 31, 2016$351,984
Description
Correct Structural Deficiencies, Bldg 108, Central NY PC
Contract number
DED094C
Type
Construction: MiscellaneousConstruction
Term
Feb 19, 2016 → Aug 31, 20166 months
Approved
May 3, 2016
Status
Ended
Amount
$351,984
Spent to date
$331,395 · 94% of the amount
Provide Snow Removal, Storehouse Roof, Bldg 108, Central NY PC Oneida CountyOffice of General Services - Design & ConstructionJan 19, 2016 – Apr 28, 2016$75,000
Description
Provide Snow Removal, Storehouse Roof, Bldg 108, Central NY PC Oneida County
Contract number
DED128T
Type
Construction: BuildingConstruction
Term
Jan 19, 2016 → Apr 28, 20163 months
Approved
Feb 12, 2016
Status
Ended
Amount
$75,000
Spent to date
$0 · 0% of the amount
Investigate & Mitigate Radon in Basement, Cortland Regional Sub-OfficeOffice of General Services - Design & ConstructionJan 15, 2016 – May 14, 2016$96,860
Description
Investigate & Mitigate Radon in Basement, Cortland Regional Sub-Office
Contract number
DEC822H
Type
Construction: BuildingConstruction
Term
Jan 15, 2016 → May 14, 20164 months
Approved
Feb 5, 2016
Status
Ended
Amount
$96,860
Spent to date
$86,860 · 90% of the amount
1–8 of 8

Contract-type mix

Share of contract value by type

Contracts over time

Contracts started per year

View as table
YearContracts
2016: 6 contracts, $1.5M6
2017: 1 contracts, $150.0K1
2018: 0 contracts, $0.00
2019: 1 contracts, $150.0K1
2020: 0 contracts, $0.00
2021: 0 contracts, $0.00
2022: 0 contracts, $0.00
2023: 0 contracts, $0.00
2024: 0 contracts, $0.00
2025: 0 contracts, $0.00
2026: 0 contracts, $0.00

How the Contractor Score adds up

Established (B, 65/100): active federal registration, $1.8M in contracts.

  • Contract volume+4.7measured

    $1.8M in current contract value across 8 contracts, more than 69% of scored contractors.

  • Recent activity−2.3measured

    No active contracts today; the most recent was approved in September 2019.

  • Agency breadth+4.3measured

    Contracts with 2 different state agencies and facilities.

  • Experience−1.1measured

    First contract started in January 2016 (10 years of contract history).

  • Contract-type mix+4.7measured

    3 contract types; the largest group is construction (69% of value). Goods and services contracts are 69% of the total.

  • Spending vs. value−0.5measured

    On 7 completed contracts with spending recorded, spending is 76% of the contract value. Spending below the full value is common (work can finish under budget) and isn't treated as a problem.

  • Federal award history0.0unknown

    No federal award history found. Scored as neutral.

  • Federal registration+5.2measured

    Registered to do business with the federal government (registration active).

50 + contributions = 65 (B, Established)Starts at 50. Bars: cool adds, warm subtracts.

Agencies served

Contract value with each agency or facility

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Contract figures are public New York State contract records as of Nov 13, 2026: current contract amounts and spending to date as reported. Company details are shown when we can match this contractor to a registered business with confidence.

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