KING COUNTY NATURAL RESOURSES DEPT — public works contracts
213 public works projects and 477 intents to pay prevailing wages name KING COUNTY NATURAL RESOURSES DEPT as the awarding agency, in the L&I file of Oct 1, 2026. L&I classes it as: County.
Bidding, hiring a subcontractor or checking a competitor? A dated public works report ($19) on one contractor — or an agency's awards, every month.
Intents filed, by year
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|
| 24 | 3 | 6 | 5 | 3 | 8 | 3 | 14 | 55 | 49 |
Latest contracts (72)
| Intent filed | Contract | Prime contractor | Amount declared |
|---|---|---|---|
| Aug 27, 2026 | Cedar Hills Regional Landfill Gas Collection and Conveyance System REBID KC001671 | R C N W | $7,248,496 |
| Jul 21, 2026 | KC Solid Waste Generac TS Q07122026-334 | Legacy Telecommunications, LLC | $360 |
| Jun 23, 2026 | KC Solid Waste Queen City Truck Domicile Facility TS PO357981-0309 | Legacy Telecommunications, LLC | $360 |
| Jun 8, 2026 | South Plant Multidisciplinary Work Order 2025-2026 KC001344 | R C N W | $8,000,000 |
| Mar 17, 2026 | KC Solid Waste GS004 TS Q030926-0147 | Legacy Telecommunications, LLC | $360 |
| Mar 12, 2026 | KCL DDC Labor Multizone Controls Ali Wandy | AINSWORTH SERVICES INC | $9,920 |
| Mar 10, 2026 | KCL Mech Labor Multizone Damper Ali Wandy | AINSWORTH SERVICES INC | $9,972 |
| Mar 9, 2026 | Field Services Task Order 148067605 148067605 | ADS LLC | $35,840 |
| Feb 17, 2026 | Marymoor Park 23-406 | MUSCO SPORTS LIGHTING LLC | $1,050 |
| Dec 10, 2025 | South Treatment Plant Essential Services Standby Generator Replacement - REBID KC001453 | APEX MECHANICAL LLC | $1,260,000 |
| Nov 7, 2025 | Vashon ATS Q080125-458 | Legacy Telecommunications, LLC | $500 |
| Nov 4, 2025 | Queen City, Truck Domicile Facility POKC000715-346 | Legacy Telecommunications, LLC | $59,757 |
| Oct 2, 2025 | VASHON TREATMENT PLANT INFLUENT GATE ACTUATORS KC001395 | DERIAN INC | $384,503 |
| Aug 6, 2025 | Brightwater Facilities Program Multi- Disciplinary Work Order 2025-26 KC001431 | R C N W | $8,318,868 |
| Jul 24, 2025 | South Plant Multidisciplinary Work Order 2025-2026 KC001344 | R C N W | $8,000,000 |
| Jun 10, 2025 | Building Repair and Renovation KC001024 | R C N W | $1,000,000 |
| Jun 10, 2025 | South Plant Dewatering Bldg Truck Loading Bay Ventilation Improvements KC001330 | APEX MECHANICAL LLC | $1,173,252 |
| May 12, 2025 | KC Solid Waste Main Office TS PO6381582-357 | Legacy Telecommunications, LLC | $418 |
| Mar 13, 2025 | Maintenance of Closed Landfills KC001235 | R C N W | $3,324,238 |
| Mar 6, 2025 | Electrical Services Work Order KC001260 | PRIME ELECTRIC LLC | $1,092,231 |
| Mar 6, 2025 | Environmental Lab Routine & Emergency Electrical Work KC001221 | PRIME ELECTRIC LLC | $1,000,000 |
| Feb 6, 2025 | King County Wastewater Treatment Division UPS 221360460 | Eaton Corporation | $33,618 |
| Oct 24, 2024 | Building Repair and Renovation KC001024 | R C N W | $1,000,000 |
| Aug 15, 2024 | Cedar Hills GS003 TS PO6381582-3451100 | Legacy Telecommunications, LLC | $880 |
| Aug 13, 2024 | King County Georgetown PV KC000802 | PRIME ELECTRIC LLC | $285,823 |
| Jun 18, 2024 | Island Harbor Generator Rental KC000715-271 | Legacy Telecommunications, LLC | $44,000 |
| Feb 12, 2024 | King County - Shoreline PV KC000802/ 6401604 | PRIME ELECTRIC LLC | $280,099 |
| Feb 12, 2024 | King County - Bow Lake PV KC000802/ 6401604 | PRIME ELECTRIC LLC | $282,706 |
| Jan 21, 2024 | Marymoor Park Abatement MM | RIVERS EDGE ENVRNMNTL SRVS INC | $1,876 |
| May 22, 2023 | Removal, Disposal, and Installation of Carbon into King County Plant Odor Scrubbers KC000679 | VENTILATION POWER CLEANING INC | — |
| Feb 21, 2023 | Janitorial Services for Environment Education and Community Center SR-0000130414;WA 05919 | SEALX LLC | $300,000 |
| Nov 1, 2022 | Preston Mill Park 2062293965 | APPLIED ORGANICS INC | — |
| May 18, 2022 | Lake to Sound Trail - Segment C PSE Work Orders 101116486 & 186053583 | PUGET SOUND ENERGY INC | $224,948 |
| Dec 17, 2021 | Marymoor Ballfield Safety Fence C01431C20 � 6181152 | G L Y CONSTRUCTION INC | $378,268 |
| May 24, 2021 | King County Environmental Lab Second Floor Lighting Verbal | PRIME ELECTRIC INC | — |
| Feb 11, 2021 | King County Environmental Lab-bollard lights NTP -Ali Wandy | PRIME ELECTRIC INC | $9,981 |
| Dec 31, 2020 | Receptacle & Breaker Work Verbal | PRIME ELECTRIC INC | — |
| Dec 2, 2020 | King County Environmental Lab Lighting Verbal | PRIME ELECTRIC INC | — |
| Aug 3, 2020 | Alki Administration Building Roof Replacement C01428C20 | S Q I INC | $186,231 |
| Nov 19, 2019 | Clean contaminated area | NRC ENVIRONMENTAL SERVICES INC | — |
| Oct 3, 2019 | Carkeek CSO Building Roof Replacement C01363C19 | V & R SHEET METAL LLC | $177,498 |
| Mar 28, 2019 | Sewer Release | NRC ENVIRONMENTAL SERVICES INC | — |
| Mar 5, 2019 | Alki Seal Module signed quote | PUMPTECH INC | — |
| Feb 13, 2019 | Cottage Lake Cottage Lake | Wester Solar Inc. | $10,000 |
| Jul 26, 2018 | Ramp 4830 | WELCOME RAMP SYSTEMS INC | $8,778 |
| Sep 29, 2017 | BRIGHTWATER OUTFALL INSPECTION E00500E17 | GLOBAL DIVING AND SALVAGE INC | $450,000 |
| Jul 18, 2017 | Aquatic Center/Steve Cox/Marymoor Solar Systems 2017-041 I (3-1) | ABACUS RESOURCE MANAGEMENT CO | $754,805 |
| Mar 17, 2016 | Solid Waste Division Building Repair and Renovation Work Order 2015-2016 C01012C15 | M J TAKISAKI INC | $1,000,000 |
| Nov 9, 2015 | King County Environmental Lab BKFLO-092015 | MCKINSTRY CO LLC | $2,546 |
| Jan 8, 2015 | Harbor Island Fire Sprinkler Work Order CPA#5731307 | FIRE SPRINKLERS INCORPORATED | — |
| May 2, 2014 | Energy Project Wastewater Treatment Plant 2014-134 H (1-2) | ABACUS RESOURCE MANAGEMENT CO | $273,750 |
| May 2, 2014 | Energy Project Aquatic Center 2014-134 G (1-1) | ABACUS RESOURCE MANAGEMENT CO | $1,720,858 |
| May 2, 2014 | Aquatic Center Solar PV 2014-134 I (2-1) | ABACUS RESOURCE MANAGEMENT CO | $559,151 |
| Oct 25, 2013 | Walker Preserve Ivy Removal 022013ELOS | EARTHCORPS | $2,888 |
| Jul 11, 2013 | KC RFMS Misc. Noxious Weed Herbicide Treatment 2013 526373/OVP 12-01_2013 | EARTHCORPS | $10,000 |
| May 9, 2013 | King Co DNR File Cabinet Lock Repair | ARGENS INC | $330 |
| Feb 7, 2013 | King County WPTP Dewatering Replacement 2011-263 G (1-1) | JOHNSON CONTROLS INC | $13,335,987 |
| Nov 1, 2012 | Snoqualmie Valley Restoration ERS110112CY | Environmental Systems | — |
| Aug 6, 2012 | KC RFMS Misc Noxious Weed Herbicide Treatment 2012 B22919B/ OVP12-01 | EARTHCORPS | — |
| Jul 13, 2012 | Mitigation/Landscape Site Maintenance 2012 Work Order C00727C12 | WESTGRO CORPORATION | — |
| Jul 11, 2012 | Restoration and Restoration Maintenance B22919B | EARTHCORPS | — |
| Jul 9, 2012 | Restoration and Restoration Maintenance 08NOX2011 | EARTHCORPS | — |
| Jul 2, 2012 | Restoration and Restoration Maintenance Contractor Pool B22918B | Environmental Systems | — |
| Jun 11, 2012 | Murray Ave. Pump Station Wet Well Access Platform Replacement C00738C12 | NORDIC CONSTRUCTION INC | $82,423 |
| May 11, 2012 | WPTP 704 Substation & MCC Upgrade C00707C12 | VALLEY ELEC CO/MT VERNON INC | $2,590,000 |
| Apr 17, 2012 | Miscellaneous Pipe Repair and Restoration 2011-2012 Work Order Contract C00682C11 | R C N W | $1,500,000 |
| Mar 26, 2012 | Cipher Lock Change 519759 | ARGENS INC | $235 |
| Nov 10, 2011 | Hazardous Materials Quality Assurance and Inspection C00187C07 | EMR INC | — |
| Aug 12, 2011 | Restoration and Restoration Maintenance B22919B | EARTHCORPS | — |
| Aug 12, 2011 | Restoration and Restoration Maintenance 08NOX2011 | EARTHCORPS | — |
| May 6, 2011 | BELLEVUE INFLUENT TRUNK & W CENTRAL BUSINESS DISTRICT TRUNK SEWER IMP. C00562C10 | K L B CONSTRUCTION INC | $2,327,783 |
| Jul 28, 2009 | Bellevue Pump Station upgrade c00334c08 | LAKEWOOD PLUMBING/MECHNCAL INC | $23,590 |
Most recent first. Each amount is the figure declared on the prime contractor's intent; amounts are not added up. Project addresses are not published.
Contractors that filed intents on its projects
Alphabetical order; the 25 contractors with the most filings on this agency's projects, prime and subcontractors together.