Prevailing Wage Policies & Determinations
Prevailing Wage determinations are issued by the L&I's Industrial Statistician. A determination by the Industrial Statistician is a more formal and lengthy process for responding to your questions. The Industrial Statistician will make a determination, such as which scope to use, based on the facts presented. Sources used to make a determination include the laws, rules, and case law as well as legislative history and intent.
View a list of pending determination requests that have been submitted to L&I, or find out how to request an Industrial Statistician Determination.
List of selected prevailing wage topics
The List of Prevailing Wage Topics includes scopes of work, types of jobs and other areas pertaining to prevailing wage. Topics are listed in alphabetical order. Each topic includes a brief summary and link to the full policy or determination document.
For questions about appropriate prevailing wage rates, contact us at pw1@lni.wa.gov.
Browse policies and determinations
This is an initial list of current public works policies and determinations regarding prevailing wage.
| Date | Subject | Number |
|---|---|---|
| 03-15-24 | Determination - Field assembly installation of the "Segmental Form Traveler," on the Sound Transit Federal Way Extension Link project | 03152024 |
| 02-13-24 | Modification to the 10/26/2023 Determination – Resinous Flooring | 02132024 |
| 10-26-23 | Determination - Resinous Flooring | 10262023 |
| 04-22-20 | Determination - Valve Actuator Repair at Columbia Generating Station | 04222020 |
| 04-08-20 | Determination - Requirements for Third Party Vendors - On Site Equipment Repair | 04082020 |
| 01-29-19 | Determination - Cedar Hills Landfill | 01292019 |
| 01-04-19 | Redetermination – Northshore Sheet Metal, Inc. | 01042019 |
| 01-03-19 | Determination – Landscape Laborer | 01032019 |
| 11-02-18 | Redetermination of Dec. 21, 2016 determination by the Industrial Statistician for the Tukwila Pool Project | 11022018 |
| 07-24-18 | Determination – Northwest Ironworkers Employers Paid Time Off Plan | 07242018 |
| 05-30-17 | Determination – Well Driller/Operating Engineer | 05302017 |
| 04-06-17 | Determination – Removal & Clean-up of Power Lines & Poles | 04062017 |
| 03-27-17 | Determination – Refinish Gymnasium Floors Scope of Work | 03272017 |
| 01-30-17 | Determination – Metropolitan Tract Properties Managed Under the Oct. 30, 2014 Management Agreement | 01302017 |
| 12-21-16 | Determination – Preparation to Swimming Pool and Pool Deck Prior to Painting | 12212016 |
| 12-09-16 | Determination – NSC-BNSF Railway Structures/Realignment Project (Fencing) | 12092016 |
| 11-07-16 | Prevailing Wage Credit for Public Works Projects | 11072016 |
| 10-31-16 | Determination – Appropriate Prevailed Rate for Construction of Multi-Story, Supported Scaffold for use by Multiple Trades | 10312016 |
| 10-17-16 | Determination – Construction Site Surveyors - Sound Transit - Point Defiance Bypass Track and Signal Improvements Project | 10172016 |
| 09-14-16 | Subcontractor Filing Multiple Prevailing Wage Intents and Affidavits When Performing Work Under Multiple Entities in a Single Public Works Project | 09142016 |
| 04-22-16 | Redetermination of Industrial Statistician's August 29, 2012 Removal of Excavated Material from Construction Site Determination | 04222016 |
| 04-12-16 | Withdrawal: Pier Demolition and Dredging Determination Request | 04122016 |
| 03-11-16 | Filing on Behalf of Policy with Addendum | 03112016 |
| 03-08-16 | Redetermination of Industrial Statistician's July 26, 2012 SIP Forms Determination | 03082016 |
| 01-29-16 | Determination Boiler Replacement | 01292016 |
| 01-08-16 | Withdrawal: SCRAPS Incinerator Repairs Determination Request | 01082016 |
| 12-30-15 | Determination Geothermal Installation Scope | 12302015 |
| 12-28-15 | Determination Port of Seattle Tenant Improvement | 12282015 |
| 08-13-15 | Redetermination - Installation of Plexipave Tennis Courts | 08132015 |
| 07-31-15 | Prevailing Wage Survey Methodology | 07312015 |
| 06-01-15 | Prevailing Wage Classification for Stockman | 06012015 |
| 05-26-15 | Prevailing Wage Determination Scope of Work for the Installation of the Traffic-Pedestrian Railing | 05262015B |
| 05-26-15 | Prevailing Wage Determination Scope of Work for the Installation of the Cable Safety Rail | 05262015A |
| 05-27-15 | Intec Prevailing Wage - Memorandum of Understanding | 05272015 |
| 04-22-15 | Prevailing Wage Rate for the Construction of a Spill Prevention Control and Countermeasures Structure | 04222015 |
| 04-06-15 | Prevailing Wage Requirements for Portable Toilets | 04062015C |
| 04-06-15 | Prevailing Wage Requirements for Lock and Locksmith Work | 04062015B |
| 04-06-15 | Office Cubicles and Furniture | 04062015A |
| 02-25-15 | Clarification/Reconsideration of August 7, 2013 Determination - Construction Site Surveyors Work on SR 99 Deep Bore Project. | 02252015 |
| 02-06-15 | Tug Boat Towing Work on the Seattle Tunnel Project | 02062015B |
| 02-06-15 | Tug Boat Towing Work on the Terminal 117 Cleanup & Sediment & Upland Expansion Project in the Duwamish River | 02062015A |
| 02-03-15 | Tug Boat Towing Work on the SR 520 Pontoon Construction Design Build Project | 02032015 |
| 11-17-14 | Prevailing Wage Classification for Laying Geothermal Piping | 11172014 |
| 11-10-14 | Tukwila Pool – Floor and Wall Installation | 11102014 |
| 10-31-14 | Travel Time for Concrete Pumping Activities | 10312014C |
| 10-31-14 | Briarwood Elementary Landscape Construction | 10312014B |
| 10-31-14 | Prevailing Wage Classifications for Specific Concrete Procedures | 10312014A |
| 10-03-14 | Seattle Tunnel Project – Temporary Ventilation Duct Work | 10032014 |
| 09-19-14 | Overtime on a Joint Federal and WA State Project | 09192014 |
| 04-17-14 | Determination – Replacing Water Meters | 04172014 |
| 09-12-13 | Calculation of Prevailing Wage Overtime Requirements on Joint Federal-State Projects | 09122013 |
| 08-30-13 | Prevailing Wage Requirements for Travel Time and Loading and Unloading Employer’s Truck | 08302013 |
| 08-13-13 | Stray Electrical Current Testing on Railroad Tracks | 08132013 |
| 08-07-13 | Construction Site Surveyors – work to enable regional effects monitoring of tunneling operations | 08072013 |
| 07-15-13 | Telecommunication Technicians and Electronic Technicians Scopes of Work and Electrical Licensing Laws | 07152013B |
| 07-15-13 | Valve, Valve Actuator Maintenance/Repair/Refurbishment – Columbia Generating Station | 07152013A |
| 07-11-13 | Telecommunication Technicians and Electronic Technicians Scopes of Work and Electrical Licensing Laws | 07112013 |
| 06-19-13 | Tennis Court Surface Installation – Cement Masons | 06192013 |
| 05-28-13 | Piping Work for Geothermal Heat Pump Systems | 05282013 |
| 04-19-13 | Cost to Public Entity for Moving and Supplementing Privately Owned Utilities | 04192013 |
| 04-18-13 | Delivery of Precast Concrete Tunnel Liners | 04182013 |
| 04-17-13 | Data Cabling Work – Telecommunications Technicians; Electronic Technicians | 04172013 |
| 04-16-13 | Fireboat Construction | 04162013 |
| 04-08-13 | Valve and Valve Actuator Work — Columbia Generating Station | 04082013 |
| 04-05-13 | Youth Haven Project Qualifies for Residential Construction Rates | 04052013 |
| 04-04-13 | Irrigation Districts — Certain Projects Exempt from Prevailing Wage Requirements | 04042013 |
| 03-28-13 | Telecommunications — No Prevailing Wage Requirement for Certain Leased Equipment | 03282013 |
| 02-28-13 | Usual Benefits | 02282013B |
| 02-28-13 | How to Calculate the Hourly Rate of Contribution for Usual (Fringe) Benefits as Part of the Prevailing Rate of Wage | 02282013A |
| 02-22-13 | Closed Loop Geothermal Drilling | 02222013 |
| 02-06-13 | Off-Site Bulldozing of Excavated Material Removed from Construction Site | 02062013B |
| 02-06-13 | Removal of Industrial Engine & Machine Mechanic Wage Rates | 02062013A |
| 11-26-12 | Installation of Fiber Optic Cable Between Traffic Signal Cabinets | 11262012 |
| 11-13-12 | Tunnel Pay Requirements for Electrical System Installation | 11132012B |
| 11-13-12 | Installation of Fire Protection Sprinkler System in Firefighters Quarters Not “Residential Construction” | 11132012A |
| 09-13-12 | Power Substation Maintenance | 09132012 |
| 08-29-12 | Removal of Excavated Material from Construction Site | 08292012 |
| 08-28-12 | Bore Drilling for Geothermal System | 08282012 |
| 08-23-12 | Home for Children with Disabilities — “Residential Construction” | 08232012 |
| 08-15-12 | Request for Shipbuilding and Ship Repair Pipefitters Worker Classification and Rate for Snohomish County | 08152012 |
| 08-06-12 | Determination of Prevailing Wage Rate Classification for Stevens Court Buildings C and D | 08062012 |
| 08-01-12 | Union Terrace — Residential versus Commercial Wage Rates | 08012012 |
| 07-26-12 | Stay-In-Place Metal Forms/Decking — Murray Morgan Bridge | 07262012 |
| 07-26-12 | Precast Concrete Tunnel Liners — Alaskan Way Viaduct Replacement | 07262012 |
| 07-11-12 | Review and Modification of Scaffold Erector Apprentices April 17, 2012 Determination | 07112012 |
| 06-08-12 | Prevailing Wage Requirements — Conservation District Reclamation/Restoration Projects | 06082012 |
| 05-14-12 | Precast Segments for the Sound Transit S440/S.200th Street Project | 05142012 |
| 04-30-12 | Request to Repeal Construction Site Surveyor Scope of Work Denied | 04302012 |
| 04-17-12 | Applicable Scope of Work for Scaffold Erector Apprentices | 04172012 |
| 03-07-12 | Handling of Electrical Equipment on Construction Sites | 03072012 |
| 02-17-12 | Land Surveyor's Association of Washington | 02172012 |
| 12-14-11 | Electronic Technicians — HVAC Control Systems | 12142011 |
| 11-30-11 | Bridge 99/560 Pedestrian Barrier Redetermination | 11302011 |
| 11-29-11 | Social Security Number Requirements for Certified Payroll Record Reports | 11292011 |
| 09-27-11 | Vactor Truck Operation | 09272011 |
| 09-08-11 | Bridge 99/560 Pedestrian Barrier Determination | 09082011 |
| 08-23-11 | Compensation for Special Shift Hours | 08232011 |
| 08-18-11 | Apprentices Indentured to Specific Trades | 08182011 |
| 08-11-11 | Bore Drilling for Geothermal System | 08112011 |
| 07-29-11 | Construction Site Surveyors | 07292011 |
| 06-30-11 | Manufactured Tunnel Liner Segments | 06302011 |
| 06-21-11 | Safespan System Installation | 06212011 |
| 05-26-11 | HVAC Controls and Direct Digital Controls (DDC) | 05262011 |
| 05-05-11 | Refrigeration Mechanics and Sheet Metal Workers | 05052011 |
| 04-20-11 | HUD Housing Projects — Housing Act of 1937 | 04202011 |
| 07-07-10 | Landscape Construction — Water Garden Feature | 07072010 |
| 05-19-10 | Landscape Construction | 05192010 |
| 01-28-10 | Non-Governmental, Non-Profits Receiving WA Funds | 01282010 |
| 10-05-09 | Concrete Grinding, Polishing, Staining and Hardening | 10052009 |
| 05-11-09 | Requirement to File Statement of Intent to Pay Prevailing Wages and Affidavit of Wages Paid Form | 05112009 |
| 03-10-09 | Service and Repair of Fire Extinguishers | 03102009 |
| 11-24-08 | Residential Construction Farmworker Housing — La Posada E&W2 | 11242008 |
| 10-27-08 | Residential Construction Farmworker Housing — La Posada E&W1 | 10272008 |
| 10-17-08 | Brick and Marble Finishers MOU | 10172008 |
| 08-12-08 | Off Site Fabrication Pre-Cast Prison Cells — Mike Leininger — NWFCA Coyote Ridge | 08122008B |
| 08-12-08 | Overtime Public and Private Work Allocation — McPhee, Workland & Witherspoon | 08122008A |
| 08-08-08 | Cement Masons Polishing and Grinding Concrete Floors | 08082008A |
| 07-28-08 | Residential Construction — Farmworker Housing — Columbia Point | 07282008 |
| 07-14-08 | Inside Electricians Tunnel Work — Elcon | 07142008 |
| 06-27-08 | HVAC TAB Testcomm Director's Arbitration Decision | 06272008 |
| 05-30-08 | Off Site Fabrication Control Panels — MD Control Systems | 05302008 |
| 04-30-08 | Redetermination, Bethlehem Construction, Inc. — Link Light Rail Project — Pre-cast Concrete Work | 04302008 |
| 04-25-08 | Fiber Optic Cable Installation-Fiber Guys-Sound Transit | 04252008 |
| 04-15-08 | Overtime Usual Benefits — Schwabe Granite NW | 04152008B |
| 04-15-08 | Electronic Technician Fire Alarm Testing Intellisystems | 04152008A |
| 02-26-08 | Power Pole Maintenance PUD | 02262008 |
| 02-14-08 | Modular Building Construction-Marysville School District | 02142008 |
| 01-04-08 | State Grant Funds — CTED-Monroe YMCA | 01042008 |
| 12-19-07 | Subsurface Utility Engineering Applied Professional Services | 12192007 |
| 12-3-07 | Decision of Office of Administrative Hearings - Testcomm | 12032007 |
| 11-27-07 | Off Site Fabrication Control Panels-TSI | 11272007 |
| 11-19-07 | Landscape Construction - Pacific Earth Works | 11192007 |
| 11-01-07 | Metal Fabrication Determination | 11012007 |
| 07-09-07 | Security Guards — Western WA Merchant Patrol | 07092007 |
| 06-01-07 | Determination - Prevailing wage for Cable CURE silicone injection | 06012007 |
| 05-07-07 | Royal Brougham Guard Rail Reconsideration | 05072007 |
| 04-27-07 | HVAC Duct Cleaning — Indoor Air Technologies | 04272007 |
| 04-12-07 | Design Build Projects WSDOT | 04122007 |
| 03-30-07 | Flashing Reglet and Drip Edge Installation — Icon Corporation | 03302007 |
| 03-19-07 | Stoner Electric Automated Door Systems | 03192007 |
| 03-09-07 | Determination - Exhaust System Modification to Fire Trucks | 03192007 |
| 01-26-07 | Drywaller #2 | 01262007 |
| 01-05-07 | Fabricated Concrete | 01052007 |
| 12-28-06 | Turnkey Project | 12282006 |
| 12-21-06 | Drywaller | 12212006 |
| 12-20-06 | Automated Meter | 12202006 |
| 11-17-06 | Overtime | 11172006 |
| 08-28-06 | Baggage Conveyor and Dispenser | 08282006 |
| 08-01-06 | On-line Lottery Ticketing System | 08012006 |
| 07-20-06 | Royal Brougham Guard Rail Redetermination | 07202006 |
| 06-08-06 | Sheet Metal Roofing Scope | 06082006 |
| 05-30-06 | Recycling Service Drop Boxes | 05302006 |
| 05-09-06 | HVAC TAB Testcomm Administrative Hearing Proposed Decision | 05092006 |
| 05-08-06 | Packaged vs. Non-Packaged Pre-Engineered Metal Buildings | 05082006B |
| 05-08-06 | Packaged Pre-Engineered Metal Buildings Scope | 05082006A |
| 04-20-06 | Exclusion of Tunnel Differential | 04202006 |
| 03-17-06 | HVAC Air Balancing #3 | 03172006B |
| 03-17-06 | HVAC Air Balancing #2 | 03172006A |
| 07-05-05 | Royal Brougham Guard Rail Determination | 07052005 |
| 04-07-05 | Grass Pavers | 04072005 |
| 01-19-05 | Erosion Control | 01192005 |
| 01-07-05 | Fireproofing Determination | 01072005 |
| 10-20-04 | HVAC Air Balancing | 10202004 |
| 04-30-04 | Herbicide Application | 04302004 |
| 03-10-04 | Silt Fence — Construction Barrier Fence | 03102004 |
| 09-25-02 | Erosion Control — Not Landscape Construction | 09252002 |
| 10-18-00 | Utilities Construction — Not Landscape Construction #2 | 10182000 |
| 10-15-99 | Brick Pavers | 10151999 |
| 08-05-99 | Utilities Construction-Not Landscape Construction | 08051999 |
| 09-09-98 | Silt Fence — Construction Laborer — Not Fence Erector | 09091998 |
| 11-23-93 | Keystone Block Retaining Wall | 11231993 |