BidFox

Federal contract amendments and deadline changes

1,806 open federal contracts on SAM.gov changed in the last 45 days, newest first. When an agency amends a notice it posts a new version: we compare each version with the one before and list what changed. Updated every morning (Oct 24, 2026).

Watch the contracts you bid on. BidFox Pro emails you when a contract you watch is amended, its deadline moves or its set-aside changes, inside your morning alert. 7 days free.

  1. Notice type changed · 3 updates in 45 days
    Valve, Regulating, FL, in Repair/modification of
    Department of the Navy · due Nov 20, 2026 · N0010425QZB97
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Description text changed
  2. Deadline extended · 3 updates in 45 days
    Transformer
    Department of the Navy · due Nov 6, 2026 · N0010426QUC15
    • Deadline extended from Oct 9, 2026 to Nov 6, 2026
    • Description text changed
  3. Deadline extended
    Cable Assembly, Spec
    Department of the Navy · due Nov 20, 2026 · N0010426QQC13
    • Deadline extended from Aug 17, 2026 to Nov 20, 2026
  4. Deadline extended
    Detection Unit
    Department of the Navy · due Nov 20, 2026 · N0010426QLC44
    • Deadline extended from Oct 16, 2026 to Nov 20, 2026
    • Description text changed
  5. Description updated · 2 updates in 45 days
    Valve, Solenoid
    Department of the Navy · due Nov 30, 2026 · N0010426QYABQ
    • Description text changed
  6. Description updated · 2 updates in 45 days
    Parts Kit, Ball Valv
    Department of the Navy · due Nov 20, 2026 · N0010426QND17
    • Description text changed
  7. Description updated · 2 updates in 45 days
    Valve, Solenoid
    Department of the Navy · due Nov 20, 2026 · N0010425QYF41
    • Description text changed
  8. Deadline extended
    Valve, Solenoid
    Department of the Navy · due Nov 30, 2026 · N0010426QYAJD
    • Deadline extended from Oct 15, 2026 to Nov 30, 2026
    • Description text changed
  9. Description updated · 2 updates in 45 days
    Circuit Card Assemb
    Department of the Navy · due Nov 12, 2026 · N0010425QLC44
    • Description text changed
  10. Deadline extended
    Plate Assembly, Stau
    Department of the Navy · due Nov 16, 2026 · N0010426QFG55
    • Deadline extended from Sep 4, 2026 to Nov 16, 2026
  11. Deadline extended
    Cylinder, Pump
    Department of the Navy · due Nov 4, 2026 · N0010426QFC81
    • Deadline extended from Apr 13, 2026 to Nov 4, 2026
  12. Description updated · 2 updates in 45 days
    Connection, Flexible
    Department of the Navy · due Nov 20, 2026 · N0010425QYM15
    • Description text changed
  13. Deadline extended
    Cable Assembly, Spec
    Department of the Navy · due Dec 18, 2026 · N0010426QYA9T
    • Deadline extended from Oct 21, 2026 to Dec 18, 2026
    • Description text changed
  14. Deadline extended
    Feeder Assembly
    Department of the Navy · due Nov 13, 2026 · N0010426QQC03
    • Deadline extended from Aug 14, 2026 to Nov 13, 2026
  15. Deadline extended
    Actuator, Hydraulic-
    Department of the Navy · due Nov 23, 2026 · N0010426QZB06
    • Deadline extended from Jun 8, 2026 to Nov 23, 2026
  16. Deadline extended
    Receiver-transmitte
    Department of the Navy · due Oct 30, 2026 · N0010426QQC60
    • Deadline extended from Oct 13, 2026 to Oct 30, 2026
  17. Deadline extended · 2 updates in 45 days
    Parts Kit, Ball Valv
    Department of the Navy · due Nov 20, 2026 · N0010426QNE19
    • Deadline extended from Oct 13, 2026 to Nov 20, 2026
    • Description text changed
  18. Description updated · 2 updates in 45 days
    Valve, Solenoid
    Department of the Navy · due Nov 30, 2026 · N0010426QYADJ
    • Description text changed
  19. Description updated · 4 updates in 45 days
    Connection, Flexible
    Department of the Navy · due Nov 20, 2026 · N0010426QYAFK
    • Description text changed
  20. Description updated · 4 updates in 45 days
    Actuator, Hydraulic-
    Department of the Navy · due Oct 30, 2026 · N0010426QYAFY
    • Description text changed
  21. Notice type changed · 3 updates in 45 days
    Pipe, 8IN
    Department of the Navy · due Nov 9, 2026 · N0010426RED38
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Set-aside changed from Small Business Set Aside - Total to None
    • Description text changed
  22. Deadline extended · 4 updates in 45 days
    Connection, Flexible
    Department of the Navy · due Dec 18, 2026 · N0010426QYA7W
    • Deadline extended from Oct 20, 2026 to Dec 18, 2026
    • Description text changed
  23. Description updated · 3 updates in 45 days
    Transformer, Power
    Department of the Navy · due Apr 20, 2027 · N0010426QDA80
    • Description text changed
  24. Description updated · 4 updates in 45 days
    Valve Regulating Sy, in Repair/modification of
    Department of the Navy · due Nov 20, 2026 · N0010426QYACP
    • Description text changed
  25. Deadline extended · 3 updates in 45 days
    Accumulator, Hydraul
    Department of the Navy · due Jan 8, 2027 · N0010425RYK73
    • Deadline extended from Oct 16, 2026 to Jan 8, 2027
    • Description text changed
  26. Notice type changed · 3 updates in 45 days
    Camo CVR LWR Barrel
    Department of the Navy · due Dec 23, 2026 · N0010426QYA62
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Set-aside changed from Small Business Set Aside - Total to None
    • Description text changed
  27. Description updated · 3 updates in 45 days
    Camo CVR Upr Barrel
    Department of the Navy · due Dec 23, 2026 · N0010426QYA61
    • Description text changed
  28. Description updated · 3 updates in 45 days
    Camo CVR Head Windw
    Department of the Navy · due Dec 23, 2026 · N0010426QYA5Z
    • Description text changed
  29. Description updated · 3 updates in 45 days
    Seal, Plain
    Department of the Navy · due Nov 23, 2026 · N0010425QFB84
    • Description text changed
  30. Description updated · 3 updates in 45 days
    Disk Assembly, Valve, in Repair/modification of
    Department of the Navy · due Dec 16, 2026 · N0010425RYE89
    • Description text changed
  31. Description updated
    Custodial Services at Kunsan AB
    Department of the Army · due Nov 2, 2026 · W90VN727RA001
    • Description text changed
  32. Set-aside changed · 2 updates in 45 days
    550-20-121 Demo Old Boiler Plant B100 (CON)
    Department of Veterans Affairs · Illinois · due Nov 18, 2026 · 36C25227B0002
    • Set-aside changed from None to Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)
    • Description text changed
  33. Deadline extended · 2 updates in 45 days
    Munitions Maintenance and Inspection Facility and Conventional Munitions Cube Storage Addition, HIANG, JBPHH, HI
    Department of the Army · due Nov 12, 2026 · W50SLF26RA005
    • Deadline extended from Oct 30, 2026 to Nov 12, 2026
    • Description text changed
  34. Description updated
    Equipment Support Services (ess) Guam
    Department of the Navy · due Oct 30, 2026 · N3943026R0009
    • Description text changed
  35. New version posted · 3 updates in 45 days
    RFI for Next Generation Hypersonic Cruise Missiles
    Defense Advanced Research Projects Agency (darpa) · due Nov 6, 2026 · DARPA-SN-26-93
    • New version posted on SAM.gov (Special notice)
  36. Deadline extended
    Facility Hood Cleaning and Inspection
    Department of Veterans Affairs · due Oct 27, 2026 · 36C26227Q0034
    • Deadline extended from Oct 26, 2026 to Oct 27, 2026
  37. Deadline extended
    Cap, Valve
    Department of the Navy · due Nov 20, 2026 · N0010426QNF04
    • Deadline extended from Nov 16, 2026 to Nov 20, 2026
  38. Deadline extended
    Stem, Fluid Valve
    Department of the Navy · due Nov 20, 2026 · N0010426QNE89
    • Deadline extended from Nov 16, 2026 to Nov 20, 2026
  39. Deadline extended
    Tailpiece, Valve
    Department of the Navy · due Nov 20, 2026 · N0010426QNE88
    • Deadline extended from Nov 16, 2026 to Nov 20, 2026
  40. Deadline extended
    Parts Kit, Ball Valv
    Department of the Navy · due Nov 20, 2026 · N0010426QNE86
    • Deadline extended from Nov 16, 2026 to Nov 20, 2026
  41. Deadline extended
    Stem, Fluid Valve
    Department of the Navy · due Nov 20, 2026 · N0010426QNE46
    • Deadline extended from Nov 16, 2026 to Nov 20, 2026
  42. Description updated · 12 updates in 45 days
    711th HPW Mission Support Services MAC IDIQ
    Department of the Air Force · Ohio · due Oct 30, 2026 · FA239626RB008
    • Description text changed
  43. Description updated · 2 updates in 45 days
    Shipyard Infrastructure Optimization Program Multi-Mission Dry Dock, Multiple Award Construction Contract
    Department of the Navy · due Dec 1, 2026 · N4425526R0005
    • Description text changed
  44. Notice type changed · 2 updates in 45 days
    Imaging Testing and Inspection Services - Medical Physicist
    Department of Veterans Affairs · due Oct 27, 2026 · 36C26127Q0074
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Oct 27, 2026 (was Oct 26, 2026)
    • Description text changed
  45. Description updated · 2 updates in 45 days
    Edwards AFB Holiday Light & Decor Installation
    Department of the Air Force · California · due Nov 2, 2026 · FA930127Q0006
    • Description text changed
  46. Set-aside changed
    RFQ Shuttle Services for VA Central California Health Care System
    Department of Veterans Affairs · due Nov 16, 2026 · 36C26127Q0051
    • Set-aside changed from Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14) to None
    • Description text changed
  47. Notice type changed
    Systems Warfighting Architecture Navigator (SWAN) Operations, Sustainment, and Decision Support Services
    Department of the Air Force · California · due Oct 26, 2026
    • Notice type changed from Sources sought to Special notice
  48. Notice type changed
    Pump, Centrifugal, Coolant
    Defense Logistics Agency · due Nov 4, 2026 · SPRRA227QA003
    • Notice type changed from Sources sought to Solicitation: now open for bids
    • Set-aside changed from No Set aside used to SBA Certified Women-Owned Small Business (WOSB) Program Set-Aside (FAR 19.15)
    • Response deadline set to Nov 4, 2026 (was Oct 9, 2026)
  49. Description updated
    Fabricated Components for the SR Embedded Floor Plates for the ALS-U Project
    Department of Energy · California · due Nov 11, 2026 · AA-2027-02
    • Description text changed
  50. Notice type changed · 2 updates in 45 days
    Valve, Linear, Direct
    Defense Logistics Agency · due Nov 16, 2026 · SPRDL1-26-Q-0076
    • Notice type changed from Solicitation to Pre-solicitation
    • Description text changed
  51. Deadline extended · 3 updates in 45 days
    Palm Beach Harbor, South Jetty Rehabilitation 2026, Palm Beach County, Florida
    Department of the Army · due Oct 26, 2026 · W912EP26BA019
    • Deadline extended from Oct 23, 2026 to Oct 26, 2026
  52. Deadline extended · 2 updates in 45 days
    Request For Information M67854-26-I-2023: Own Force Monitoring at Echelon (OFM-E) Electromagnetic Spectrum Sensing
    Department of the Navy · Virginia · due Nov 5, 2026 · M67854-26-I-2023
    • Deadline extended from Oct 29, 2026 to Nov 5, 2026
  53. Notice type changed
    WJHTC Armed Security Guard Services
    Federal Aviation Administration · New Jersey · due Nov 4, 2026 · 692M15-25-R-00012
    • Notice type changed from Sources sought to Solicitation: now open for bids
    • Response deadline set to Nov 4, 2026 (was Oct 29, 2026)
    • Description text changed
  54. New version posted
    Amendment 0001 Radiation Safety Officer for the Eastern Oklahoma VA Health Care System
    Department of Veterans Affairs · Oklahoma · due Nov 3, 2026 · 36C25927R0005
    • New version posted on SAM.gov (Solicitation)
  55. Description updated · 3 updates in 45 days
    Copy of FY27Q1-CON 668-24-106 Renovate CLC East Wing and Courtyard
    Department of Veterans Affairs · due Nov 23, 2026 · 36C26027R0020
    • Description text changed
  56. Description updated · 2 updates in 45 days
    Rendezvous Proximity Operations, and Capture (RPOC) VI
    National Aeronautics and Space Administration · Texas · due Oct 28, 2026 · 80JSC027RPOC6
    • Description text changed
  57. Description updated
    EC-ECAO Exterior Door Replacement
    Departmental Offices · due Nov 4, 2026 · 140RR027Q0011
    • Description text changed
  58. Description updated
    Region 7 Southeast Mines Superfund Site
    Department of the Army · due Nov 6, 2026 · W912P927RA003
    • Description text changed
  59. Notice type changed · 2 updates in 45 days
    Annual/Sem-i annual fire smoke inspections and auto door services l EKH
    Department of Veterans Affairs · Kansas · due Nov 3, 2026 · 36C25526Q0617
    • Notice type changed from Sources sought to Solicitation: now open for bids
    • Response deadline set to Nov 3, 2026 (was Oct 23, 2026)
    • Description text changed
  60. Description updated
    WWYK100209-Repair Perimeter Dr and Industrial Blvd
    Department of the Air Force · Oklahoma · due Oct 30, 2026 · FA813727R0003
    • Description text changed
  61. Deadline extended · 3 updates in 45 days
    Design Build to Install Parking Shades and Parking Lot Reconfiguration Project 593-26-306
    Department of Veterans Affairs · Nevada · due Nov 2, 2026 · 36C26126R0055_2
    • Deadline extended from Oct 23, 2026 to Nov 2, 2026
  62. Notice type changed · 2 updates in 45 days
    USACE Omaha District - $249M Unrestricted Sentinel Construction Management Services (CMS) MATOC
    Department of the Army · due Nov 10, 2026 · W9128F26RA124
    • Notice type changed from Special notice to Solicitation: now open for bids
    • Response deadline set to Nov 10, 2026 (was Oct 28, 2026)
    • Description text changed
  63. Description updated · 2 updates in 45 days
    Building 262 Renovation, FLETC Glynco, Georgia
    Federal Law Enforcement Training Center · Georgia · due Nov 9, 2026 · 70LGLY27RSSB00001
    • Description text changed
  64. Description updated · 2 updates in 45 days
    Emergency Residential and Case Management Services- VA New Jersey Health Care System- Health Care for Homeless Veterans (HCHV) Program
    Department of Veterans Affairs · due Dec 31, 2026 · 36C24226Q0118
    • Description text changed
  65. Notice type changed
    Coos Bay Pier Utilities
    Department of the Army · due Nov 23, 2026 · W9127N27BA004
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 23, 2026
    • Description text changed
  66. Description updated
    Frozen Fruit for use in Domestic Food Assistance Programs
    Agricultural Marketing Service · District of Columbia · due Nov 2, 2026 · 12-3J14-27-B-0005
    • Description text changed
  67. Description updated
    General Services Administration (GSA) Lease: Office Space FOREST, MISSISSIPPI
    Public Buildings Service · Mississippi · due Nov 2, 2026 · 4MS0229
    • Description text changed
  68. Deadline extended
    Oxford PlasmaLab 100 tool PLC upgrade or its Equivalent
    Department of Energy · New York · due Nov 6, 2026 · 482829
    • Deadline extended from Oct 13, 2026 to Nov 6, 2026
    • Description text changed
  69. Deadline extended · 4 updates in 45 days
    654-24-004 | Remediate Old Parking Garage
    Department of Veterans Affairs · due Nov 20, 2026 · 36C26126Q1297
    • Deadline extended from Nov 16, 2026 to Nov 20, 2026
    • Description text changed
  70. Award posted
    Wi-fws Upr MS Riv Natl-herbicide Treatment at Brice Prairie Management Unit
    Departmental Offices · 140FS226Q0206
    • Award notice posted: QUERCUS LAND STEWARDSHIP SERVICES LLC 4681 COUNTY ROAD JJ Black Earth WI 53515 USA (24725)
  71. Deadline extended · 2 updates in 45 days
    Integrated Pest Management Services
    Department of Veterans Affairs · due Nov 17, 2026 · 36C25726Q0885
    • Deadline extended from Nov 6, 2026 to Nov 17, 2026
    • Description text changed
  72. Deadline extended
    SPE4A6-27-R-0059, NSN 3110-01-486-7656, Bearing, Roller, Needle
    Defense Logistics Agency · due Oct 28, 2026 · SPE4A6-27-R-0059
    • Deadline extended from Oct 19, 2026 to Oct 28, 2026
    • Description text changed
  73. Description updated · 2 updates in 45 days
    Medical Repair and Renewal (MRR) Korea
    Department of the Army · due Nov 10, 2026 · W912DY26RA093
    • Description text changed
  74. Description updated
    Float Well Pipe Repairs, Surry Mountain Dam, Surry, NH
    Department of the Army · New Hampshire · due Nov 23, 2026 · W912WJ27X1CTD
    • Description text changed
  75. Description updated · 3 updates in 45 days
    FCC TERRE HAUTE Heating Condensate Pumps
    Federal Prison System / Bureau of Prisons · Indiana · due Nov 2, 2026 · 15B41826Q00000005
    • Description text changed
  76. New version posted · 3 updates in 45 days
    Houston National Cemetery SOD Delivery and Installation IDIQ Base plus 4 + Q&A Amendment
    Department of Veterans Affairs · Texas · due Oct 29, 2026 · 36C78626Q50257
    • New version posted on SAM.gov (Solicitation)
  77. Deadline added
    Electric Tow Tractor
    Department of the Air Force · Oklahoma · due Nov 4, 2026 · FA812527Q0005
    • Response deadline set to Nov 4, 2026
    • Description text changed
  78. Deadline extended
    Bearing, Roller, Cylindrical
    Defense Logistics Agency · Virginia · due Nov 9, 2026 · SPE4A627RX041
    • Deadline extended from Oct 9, 2026 to Nov 9, 2026
    • Description text changed
  79. Deadline extended · 2 updates in 45 days
    Hickman Borings Drilling and Testing
    Department of the Army · due Oct 26, 2026 · W912EQ26QA050
    • Deadline extended from Oct 12, 2026 to Oct 26, 2026
    • Description text changed
  80. Notice type changed · 2 updates in 45 days
    561-26-104 Repair Operating Room (OR) & Bathroom Leaks
    Department of Veterans Affairs · due Nov 4, 2026 · 36C24226R0128
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Description text changed
  81. Description updated
    Wheel Well Stands
    Department of the Air Force · Oklahoma · due Oct 28, 2026 · FA8125-27-Q-0002
    • Description text changed
  82. Description updated · 3 updates in 45 days
    Longleaf Timber Stand Improvement
    Forest Service · Florida · due Oct 27, 2026 · 12444726Q0070
    • Description text changed
  83. Description updated · 4 updates in 45 days
    FortiNet FortiGate Software License Renewals
    Department of the Navy · Maryland · due Oct 28, 2026 · N00019-26-RFPREQ-APM290-0806
    • Description text changed
  84. Description updated
    W9127N27BA005 Foster Spillway Gate Nut Replacements and Re-Tensioning
    Department of the Army · due Nov 5, 2026 · W9127N27BA005
    • Description text changed
  85. Deadline extended · 3 updates in 45 days
    Upgrade Fire Detection System at FDC Honolulu, Hawaii
    Federal Prison System / Bureau of Prisons · Hawaii · due Nov 4, 2026 · 15BBNF26B60300001
    • Deadline extended from Oct 28, 2026 to Nov 4, 2026
    • Description text changed
  86. Description updated
    Chemical, Biological, Radiological, and Nuclear (CBRN) Medical Countermeasure (MCM) Participant Basic Agreement (PBA)
    Department of the Army · W911SR-26-R-HEAL
    • Description text changed
  87. Deadline extended
    Rota-rack
    Department of the Army · due Oct 28, 2026 · W911S226U4399
    • Deadline extended from Sep 10, 2026 to Oct 28, 2026
    • Description text changed
  88. Description updated
    Repair Electrical Systems
    Department of the Air Force · due Nov 12, 2026 · FA860126R0017
    • Description text changed
  89. Deadline extended · 2 updates in 45 days
    Multiple Award IDIQ Contract for Design Build & General Construction Services - New York & New Jersey
    Public Buildings Service · New York · due Nov 4, 2026 · 47PC0225R0015
    • Deadline extended from Oct 28, 2026 to Nov 4, 2026
    • Description text changed
  90. Deadline extended · 3 updates in 45 days
    Belle Fountain Ditch Cleanout Phase 2
    Department of the Army · due Nov 3, 2026 · W912EQ26BA002
    • Deadline extended from Oct 27, 2026 to Nov 3, 2026
    • Description text changed
  91. Deadline extended · 2 updates in 45 days
    Grease Trap and Used Cooking Oil Containment Services
    Department of the Air Force · California · due Oct 28, 2026 · FA930126Q0034
    • Deadline extended from Oct 23, 2026 to Oct 28, 2026
    • Description text changed
  92. New version posted
    Wv-canaan Vly Nwr-chain Link Fence
    Departmental Offices · due Oct 27, 2026 · 140FF027Q0011
    • New version posted on SAM.gov (Solicitation)
  93. Notice type changed · 2 updates in 45 days
    VA Police Psychological Evaluations
    Department of Veterans Affairs · Minnesota · due Nov 6, 2026 · 36C26327Q0038
    • Notice type changed from Sources sought to Combined synopsis/solicitation: now open for bids
    • Set-aside changed from None to Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)
    • Response deadline set to Nov 6, 2026 (was Oct 16, 2026)
  94. New version posted · 2 updates in 45 days
    FY27 1ST QTR Subsistence Awards
    Federal Prison System / Bureau of Prisons · Ohio · VARIOUS
    • New version posted on SAM.gov (Award notice)
  95. Description updated · 2 updates in 45 days
    Call for Industry Review of DRAFT MIL-STD-3071 with Change 2
    Department of the Army · due Nov 20, 2026 · W909MY-26-R-MILS
    • Description text changed
  96. Description updated
    Saber V Hill AFB
    Department of the Air Force · due Nov 5, 2026 · FA820126R0020
    • Description text changed
  97. New version posted
    Wv-canaan Vly NWR-VC ADA Doors
    Departmental Offices · due Oct 28, 2026 · 140FF027Q0010
    • New version posted on SAM.gov (Solicitation)
  98. Deadline extended · 6 updates in 45 days
    Tools for Veteran
    Department of Veterans Affairs · Pennsylvania · due Oct 28, 2026 · 36C10D26Q0171
    • Deadline extended from Oct 23, 2026 to Oct 28, 2026
    • Description text changed
  99. Notice type changed
    Duct Assy, Oil Cooler
    Defense Logistics Agency · SPE4A726R0693
    • Notice type changed from Award notice to Pre-solicitation
    • Description text changed
  100. Notice type changed · 2 updates in 45 days
    FY27 Remove/Install Two (2) Commercial-Grade Laser/LED Projectors
    Department of Veterans Affairs · due Nov 4, 2026 · 36C24827Q0036
    • Notice type changed from Pre-solicitation to Solicitation: now open for bids
    • Response deadline set to Nov 4, 2026 (was Oct 26, 2026)
    • Description text changed

Get the changes to your contracts by email

Every morning BidFox emails you the new notices for your trade and states, plus any change to the contracts you watch. 7 days free; we email you before the first charge.

Your plan after the free trial

7 days free, then the plan you pick. You add a card on the next step (secure, by Stripe) and you're not charged until the trial ends. Cancel anytime before then and you pay nothing.

From the daily public SAM.gov data. It doesn't list attachments: open the official notice for new documents. BidFox is not connected to SAM.gov or the U.S. Government. Methodology.

7 days freeCancel online anytime Start free trial