DIABLO BOILER & STEAM INC (CA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $373.38K
- $373,380under this UEI
- FY2026 obligations
- $90.62K†
- $90,622Provisional
- Awards and orders
- 26
- with positive net obligations
- Latest action
- Sep 11, 2026
- SAM.gov registration
- Active
- Registration expiration date Dec 11, 2026
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Aug 15, 1985 (41 years)
- Location
- Antioch, CA
- State of incorporation
- California
† FY2026 obligations (provisional; DoD awards signed after Jul 27, 2026 are not yet public).
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI M637BWP4P7N3. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: $90,622 (provisional)
- FY2023: $8,249
- FY2022: $8,087
- FY2021: $16,935
- FY2020: $34,319
- FY2019: $22,147
- FY2018: $14,089
- FY2017: $22,956
Show all 17 yearsEarlier years (FY2008–FY2016)
- FY2016: $27,063
- FY2015: $28,129
- FY2014: $32,351
- FY2013: $16,100
- FY2012: $23,312
- FY2011: $13,340
- FY2010: $345
- FY2009: $6,870
- FY2008: $8,467
Total across 17 fiscal years: $373,380
Top awarding agencies
- Department of Homeland Security$149,938, 40.2%
- Department of Veterans Affairs$135,610, 36.3%
- Social Security Administration$87,832, 23.5%
Top awarding sub-agencies
- U.S. Coast Guard$149,938, 40.2%
- Department of Veterans Affairs$135,610, 36.3%
- Social Security Administration$87,832, 23.5%
Top NAICS by obligations
- 238220Plumbing, heating, and air-conditioning contractors$318,185, 85.2%
Top product and service codes by obligations
- Z1NBMaintenance of heating and cooling plants$83,805, 22.4%
- N045Installation of equipment- plumbing, heating, and waste disposal equipment$48,732, 13.1%
- 4420Heat exchangers and steam condensers$41,710, 11.2%
- H344Inspection- furnace, steam plant, and drying equipment; nuclear reactors$40,977, 11.0%
- J044Maint/repair/rebuild of equipment- furnace, steam plant, and drying equipment; nuclear reactor$33,204, 8.9%
Capabilities
NAICS codes
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Self Certified Small Disadvantaged Business
Product and service codes (PSC)
- N045Installation of Equipment
Capabilities & Services
Contracts
Latest awards and orders
- 36C26126P1123Purchase orderDepartment of Veterans AffairsLatest action
- 36C26126P0737Purchase orderDepartment of Veterans AffairsLatest action
- 28321320P00050103Purchase orderSocial Security AdministrationLatest action
- 70Z03121PPAF063Purchase orderDepartment of Homeland SecurityU.S. Coast GuardLatest action
- 70Z03120PPAA49500Purchase orderDepartment of Homeland SecurityU.S. Coast GuardLatest action
- 70Z03720PLBL55500Purchase orderDepartment of Homeland SecurityU.S. Coast GuardLatest action
- SS091551008Purchase orderSocial Security AdministrationLatest action
- 70Z03119PPAA38300Purchase orderDepartment of Homeland SecurityU.S. Coast GuardLatest action
- 70Z03118PLBL05800Purchase orderDepartment of Homeland SecurityU.S. Coast GuardLatest action
- HSCG3117PLBL766Purchase orderDepartment of Homeland SecurityU.S. Coast GuardLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for DIABLO BOILER & STEAM INC lists a physical address and a separate mailing address, along with 3 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
729 FULTON SHIPYARD RD B1
ANTIOCH, CA, 94509
USA
Mailing Address
PO BOX 2595
ANTIOCH, CA, 94531
USA
Government Business Contact
TIMOTHY J CLAY
MR.
PO BOX 2595
ANTIOCH, CA, 94531
USA
Electronic Business Contact
Timothy J Clay
Mr.
PO Box 2595
Antioch, CA, 94531
USA
Government Business Alternate Contact
TIMOTHY J CLAY
MR.
PO BOX 2595
ANTIOCH, CA, 94531
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
DIABLO BOILER & STEAM INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires December 11, 2026.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Not registered for disaster relief
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
Other contractors in California with primary NAICS 238220
- Able Heating & Air Conditioning, IncChula Vista, CA
- SH Mechanical Inc.Suisun City, CA
- Paradigm Mechanical Corp.Santee, CA
- Duwright Construction IncSan Diego, CA
- Reagent World, Inc.Irvine, CA
- Valkyrie Mechanical JV LLCSuisun City, CA