# MERCER ISLAND SCHOOL DISTRICT #400 — public works contracts and contractors (Washington prevailing wage intents)

> 436 public works projects of MERCER ISLAND SCHOOL DISTRICT #400: the latest contracts, the prime contractors and the amounts declared on prevailing wage intents.

## MERCER ISLAND SCHOOL DISTRICT #400 — public works contracts

436 public works projects and 1,009 intents to pay prevailing wages name MERCER ISLAND SCHOOL DISTRICT #400 as the awarding agency, in the L&I file of Oct 1, 2026. L&I classes it as: [School District](/agency-type/school-district.md).

Bidding, hiring a subcontractor or checking a competitor? A [dated public works report ($19)](/report.md) on one contractor — or [an agency's awards, every month](/pro.md).

### Intents filed, by year

| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|
| 47 | 36 | 38 | 29 | 34 | 70 | 85 | 50 | 77 | 45 |

### Latest contracts (200)

| Intent filed | Contract | Prime contractor | Amount declared |
|---|---|---|---|
| Sep 23, 2026 | 194665 MISD Islander Middle School 194665 MISD/ Islander Middle School | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $596 |
| Sep 23, 2026 | 195402 MISD Northwood Elementary 195402 MISD/ Northwood Elementary | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $596 |
| Sep 4, 2026 | MARY WAYTE POOL ABATEMENT 2972500036 | [NORTHWEST ABATEMENT SRVCS INC](/search.md) | $7,225 |
| Aug 26, 2026 | Fire Extinguisher Inspection 41068208 | [Performance Systems Intgn LLC](/search.md) | $3,383 |
| Jul 20, 2026 | Mercer Island SD Mary Wayte Pool Stairs 2012500146 | [SPECTRA CONTRACT FLOORING](/search.md) | $17,021 |
| Jul 14, 2026 | ADA ramp for Administration Building 2972500033 | [WELCOME RAMP SYSTEMS INC](/search.md) | $8,147 |
| Jul 2, 2026 | Mary Wayte pool 1972500149 | [UTILITIES SERVICE CO INC](/search.md) | $5,074 |
| Jul 1, 2026 | Mercer Island HS Special Needs Room 1972500161 | [SPECTRA CONTRACT FLOORING](/search.md) | $4,333 |
| Jul 1, 2026 | 2026 Annual PO 203877-2026 | [FROULA ALARM SYSTEMS INC](/search.md) | — |
| Jun 25, 2026 | (title withheld) PO#: 1972500074 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $1,324 |
| Jun 10, 2026 | MIHS, NE & IMS 2026-2027 Landscape Maintenance 2972100012 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $25,654 |
| Jun 10, 2026 | MIHS, NE & IMS 2026-2027 Landscape Maintenance (No MIHS, NE & IMS 2026-2027 Landscape Maintenance (No | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $14,741 |
| Jun 10, 2026 | MIHS, NE & IMS 2025-2026 Landscape Maintenance 2972100012 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $6,778 |
| Jun 9, 2026 | 191594 West Mercer Elem 191594 West Mercer Elem | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $1,000 |
| Jun 1, 2026 | 191228 MISD/ Islander Middle School 191228 MISD/ Islander Middle School | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $1,000 |
| May 26, 2026 | 188965 Northwood Elementary School 188965 Northwood Elementary School | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $600 |
| May 20, 2026 | Mercer Island High School-Troubleshoot two walk-in refrigerators WO 5001324 | [MCKINSTRY CO LLC](/search.md) | $3,374 |
| May 12, 2026 | 190458 MISD/ Lakeridge Elem 190458 MISD/ Lakeridge Elem | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $1,000 |
| May 7, 2026 | 190302 MISD/ Maintenance 190302 MISD/ Maintenance | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $700 |
| Apr 28, 2026 | (title withheld) 1992500045 | [SME SOLUTIONS LLC](/search.md) | — |
| Apr 24, 2026 | Mercer Island SD Summer 2026 2972500031 | [SPECTRA CONTRACT FLOORING](/search.md) | $67,821 |
| Apr 20, 2026 | Mercer Island Stucco Repair 206-949-4135 | [EUROPEAN EXQUISITE TOUCH LLC](/search.md) | $33,000 |
| Apr 9, 2026 | Mercer Island SD Kuhn 5250 | [NORTHWEST INSTALLATION ENT INC](/search.md) | $20,296 |
| Apr 7, 2026 | Lakeridge Elementary Playground Swing 2972500029 | [PLAY-CREATION INC](/search.md) | $20,436 |
| Mar 16, 2026 | 25-WA-260236 Mercer Island SD - Island Park Elementary School PO 2972500028 | [GARLAND/DBS INC](/search.md) | $737,003 |
| Mar 9, 2026 | 187623 Parkway Elem 187623 Parkway Elem | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $1,500 |
| Mar 5, 2026 | 2025-2026 School Year Steve | [ELECTROCOM](/search.md) | $10,000 |
| Mar 2, 2026 | Mercer Island School District Kitchen Exhaust Hood System Cleaning Service 1972500113 | [R&T HOOD AND DUCT SERVICES](/search.md) | $8,584 |
| Feb 18, 2026 | 186777 Crest Learning 186777 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $600 |
| Feb 2, 2026 | (title withheld) 185513 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $593 |
| Jan 27, 2026 | 185726 Mercer Island Middle School 185726 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $595 |
| Jan 19, 2026 | (title withheld) Operators | [CRESSY DOOR CO INC](/search.md) | $17,694 |
| Jan 15, 2026 | ISLANDER MIDDLE SCHOOL DW Repair 9127214 1972400060 | [HOBART](/search.md) | $2,062 |
| Jan 9, 2026 | 184875 MISD West 184875 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $595 |
| Dec 18, 2025 | (title withheld) Front entry door | [CRESSY DOOR CO INC](/search.md) | — |
| Dec 16, 2025 | 184013 Mercer Island High 184013 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $600 |
| Dec 9, 2025 | (title withheld) 182482 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $595 |
| Dec 4, 2025 | Arbor Care- Deep Root Fertilization & Tree Care-AN 1072262 / 1072245 - WO 339941/335913 1072245/1072262 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $7,548 |
| Dec 1, 2025 | Mary Wayte POOL 2069494135 | [GARY THAYER CONSTRUCTION LLC](/search.md) | $31,529 |
| Nov 17, 2025 | Alder tree | [PnD Logging & Tree Service](/search.md) | $2,480 |
| Nov 10, 2025 | Mary Wayte Pool Site Visit 31417 | [WMS AQUATICS](/search.md) | $2,494 |
| Nov 7, 2025 | 181778 - Mary Wayte Pool - Replace Keypad 181778 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $911 |
| Oct 22, 2025 | 181197 - Mary Wayte Pool - Door Sensor re-installed 181197 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $983 |
| Oct 16, 2025 | unit is not heating and cleaning well West Mercer Elementary | [HOBART](/search.md) | $817 |
| Oct 9, 2025 | 179225 - Islander Middle School - Time is off on schedules for DNA fusion system 179225 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $1,731 |
| Oct 3, 2025 | 180682 MISD Mercer Island High 180682 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $595 |
| Sep 30, 2025 | MIHS Stadium stairs 1972400135 | [WELCOME RAMP SYSTEMS INC](/search.md) | $11,757 |
| Sep 15, 2025 | WO# 330239 Islander Middle School Landscape Clean-Up 330239 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $6,065 |
| Sep 12, 2025 | Northwood Elem DW 1972400141 | [HOBART](/search.md) | — |
| Sep 11, 2025 | Dive Stand & Diving Board 297-2400-046 | [WMS AQUATICS](/search.md) | $38,664 |
| Aug 25, 2025 | Mercer Island High School 1972400141 | [HOBART](/search.md) | — |
| Aug 22, 2025 | Mercer Island School District Kitchen Exhaust Hood System Cleaning and Kitchen Fire Suppression System Inspection ervice 1972500002 | [R&T HOOD AND DUCT SERVICES](/search.md) | $8,321 |
| Aug 21, 2025 | Mercer Island HS Stair 2972400041 | [PERFORMANCE CONTRACTING INC](/search.md) | $11,162 |
| Aug 9, 2025 | Mercer Island HS Restripe po 2972400038 | [BEYNON SPORTS SURFACES INC](/search.md) | $11,846 |
| Aug 5, 2025 | 177950 MISD Northwood Elementary 177950 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $1,000 |
| Jul 22, 2025 | 175489 Islander Middle School 175489 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $1,000 |
| Jul 22, 2025 | Mary Wayte Pool Renovation | [G L Y CONSTRUCTION INC](/search.md) | $3,344,900 |
| Jul 15, 2025 | Mercer Island HS Stadium Track 2972400043 | [FIELD TURF NORTHWEST](/search.md) | $12,008 |
| Jul 3, 2025 | MIHS, NE & IMS 2025-2026 Landscape Maintenance 2972100012 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $22,596 |
| Jul 3, 2025 | MIHS, NE & IMS 2025-2026 Landscape Maintenance 2972100012 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $6,083 |
| Jul 3, 2025 | MIHS, NE & IMS 2024-2025 Landscape Maintenance (Northwood Elementary) 2972100012 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $13,770 |
| Jul 3, 2025 | 173499 - Islander Middle School Program Open/Closes 173499 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $595 |
| May 23, 2025 | 174484 - Mercer Island High School - Troubleshoot Panel Error 174484 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $716 |
| May 16, 2025 | booster temp overload West Mercer Elementary | [HOBART](/search.md) | $1,200 |
| May 7, 2025 | 171685 - Islander Middle School - Trouble Sisarming System 171685 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $2,669 |
| May 2, 2025 | 173949- Islander Middle School - Security System Troubleshooting 173949 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $595 |
| Apr 30, 2025 | Elementary Schools Painting Project N/A | [BAYLEY CONSTRUCTION LP](/search.md) | $561,620 |
| Apr 23, 2025 | (title withheld) Jen | [SME SOLUTIONS LLC](/search.md) | $1,500 |
| Apr 16, 2025 | 173302 - Admn Building - Trouble on FACP 173302 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $588 |
| Apr 15, 2025 | 172259 - Islander Middle School - Investigate False Alarms on Security System 172259 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $777 |
| Apr 14, 2025 | 173154 - Crest Learning Center Investigate Trouble Signal on Panel 173154 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $1,000 |
| Apr 7, 2025 | 170041 - Lakeridge Elementary - Investigate Alarm Zone 45 170041 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $600 |
| Apr 2, 2025 | #1 Gas Pump Out after Power Outtage | [MASCOTT EQUIPMENT CO INC](/search.md) | $1,531 |
| Apr 2, 2025 | Access Switches 2762400141 | [SEMAPHORE CORPORATION](/search.md) | $15,704 |
| Apr 2, 2025 | Distribution Switches 2762400139 | [SEMAPHORE CORPORATION](/search.md) | $2,094 |
| Apr 2, 2025 | Core Switches 2762400138 | [SEMAPHORE CORPORATION](/search.md) | $1,047 |
| Mar 21, 2025 | 168647 - Islander Middle School - Security Panel Replacement 168647 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $3,885 |
| Mar 21, 2025 | NORTHWOOD ELEMENTARY 4030 86th AVE SE MERCER ISLAND, WA 98040 1972400099 | [ALL CITY FENCE CO](/search.md) | $2,326 |
| Mar 4, 2025 | Mercer Island School District Kitchen Exhaust Hood System Cleaning Service 1972400092 | [R&T HOOD AND DUCT SERVICES](/search.md) | $8,321 |
| Mar 3, 2025 | LAKERIDGE ELEMENTARY 8215 SE 78th ST MERCER ISLAND, WA 98040 1972400099 | [ALL CITY FENCE CO](/search.md) | $1,963 |
| Feb 28, 2025 | Northwood Elementary 1972400097 | [PnD Logging & Tree Service](/search.md) | $9,702 |
| Jan 29, 2025 | 59903-8 Mercer Island School District Admin 1972400090 / 59903-8 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $5,111 |
| Jan 21, 2025 | Faulty Pump Message | [MASCOTT EQUIPMENT CO INC](/search.md) | $1,119 |
| Jan 17, 2025 | Admin Building - Troubleshoot Door Lock 167664 - | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $744 |
| Jan 7, 2025 | 167420 MISD / Lakeridge Elementary 167420 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $540 |
| Dec 26, 2024 | 2024-2025 School Year steve | [ELECTROCOM](/search.md) | $10,000 |
| Dec 17, 2024 | installed new switch PO 1972400060 | [HOBART](/search.md) | $1,605 |
| Nov 25, 2024 | Northwood Elementary School PO 2972400016 | [AXIOM CONST & CONSULTING LLC](/search.md) | $2,854 |
| Oct 31, 2024 | conveyor shut off PO 1972400060 | [HOBART](/search.md) | $1,000 |
| Oct 15, 2024 | ISLAND PARK ELEMENTARY 5437 ISLAND CREST WAY MERCER ISLAND, WA 98040 2972400008 | [ALL CITY FENCE CO](/search.md) | $2,379 |
| Oct 15, 2024 | Juniper AP Install 2762300156 | [SEMAPHORE CORPORATION](/search.md) | $53,954 |
| Sep 24, 2024 | Mercer Island School District Kitchen Exhaust Hood System Cleaning Service and Fire Suppression Inspection 1972400016 | [R&T HOOD AND DUCT SERVICES](/search.md) | $8,339 |
| Aug 28, 2024 | WO# 243246 Northwood Elementary Clear Blackberry and weeds from rain garden 243246 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $4,280 |
| Aug 28, 2024 | MISD BUS LOT EV CHARGING STATION 901616 | [Veca Electric & Tech LLC](/search.md) | — |
| Aug 13, 2024 | 35286 Mercer Island School Walking Path 2972300045 | [RAINIER ASPHALT SEALING LLC](/search.md) | $23,144 |
| Aug 6, 2024 | Crest Learning Center R6005752 | [REGION 6 SEC INTEGRATION LLC](/search.md) | $6,600 |
| Jul 23, 2024 | Mercer Island SD Maint 2024 Kuhn 5017 | [NORTHWEST INSTALLATION ENT INC](/search.md) | $18,346 |
| Jun 12, 2024 | MIHS, NE & IMS 2024-2025 Landscape Maintenance 2972100012 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $6,083 |
| Jun 12, 2024 | MIHS, NE & IMS 2024-2025 Landscape Maintenance 2972100012 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $25,376 |
| Jun 12, 2024 | MIHS, NE & IMS 2024-2025 Landscape Maintenance (Northwood Elementary) 2972100012 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $13,770 |
| Jun 10, 2024 | 34298 Mercer Island District Striping - PO 2972300035 2972300035 | [RAINIER ASPHALT SEALING LLC](/search.md) | $94,929 |
| May 17, 2024 | (title withheld) Jen Williamson | [SME SOLUTIONS LLC](/search.md) | — |
| Apr 29, 2024 | Mercer Island Shchool District Kitchen Exhaust Hood System Cleaning 459327,459328,459332,459333 | [R&T HOOD AND DUCT SERVICES](/search.md) | $6,888 |
| Apr 25, 2024 | Mercer Island SD Boiler Replacement 220104 | [MCKINSTRY ESSENTION LLC](/search.md) | — |
| Apr 15, 2024 | change out leaking pump PO#1972300109 | [AQUATIC SPECIALTY SERVICES INC](/search.md) | $2,237 |
| Apr 8, 2024 | Mary Wayte Pool Leak per Tony | [WESTERN MECH CONTRACTORS INC](/search.md) | — |
| Mar 29, 2024 | Lakeridge ES Refresh 2972300038 | [SPECTRA CONTRACT FLOORING](/search.md) | $339,958 |
| Mar 29, 2024 | Island Park ES Refresh 2972300036 | [SPECTRA CONTRACT FLOORING](/search.md) | $304,160 |
| Mar 29, 2024 | West Mercer ES Refresh 2972300037 | [SPECTRA CONTRACT FLOORING](/search.md) | $317,417 |
| Feb 29, 2024 | MERCER ISLAND HIGH SCHOOL ISLAND PARK ELEMENTARY SCHOOL NORTHWOOD ELEMENTARY SCHOOL WEST MERCER ELEMENTARY SCHOOL MARY WAYTE POOLMERCER ISLAND, WA 98040 2972300032 | [ALL CITY FENCE CO](/search.md) | $33,252 |
| Feb 27, 2024 | Islander Middle School 1972300089 | [ALEXANDER GOW FIRE EQUIP CO](/search.md) | $779 |
| Feb 27, 2024 | Northwood Elementary School 1972300089 | [ALEXANDER GOW FIRE EQUIP CO](/search.md) | $710 |
| Feb 9, 2024 | Mercer Island HS Ramp Sheet Vinyl Repair 1972300096 | [SPECTRA CONTRACT FLOORING](/search.md) | $1,330 |
| Feb 7, 2024 | SMF Fiber Install 2762300122 | [SEMAPHORE CORPORATION](/search.md) | $12,840 |
| Jan 8, 2024 | (title withheld) 1972300078 | [NOR-PAC SEATING COMPANY INC](/search.md) | $2,798 |
| Jan 5, 2024 | Stair Tower for band 2972200060 | [PERFORMANCE CONTRACTING INC](/search.md) | $9,109 |
| Dec 29, 2023 | Mercer Island HS 4904 Kuhn 4904 | [NORTHWEST INSTALLATION ENT INC](/search.md) | $2,699 |
| Dec 28, 2023 | Northwood Elementary, Lakeridge Elementary | [PnD Logging & Tree Service](/search.md) | $5,670 |
| Dec 21, 2023 | Mercer SD Admin Boardroom 2972300024 | [P B S SUPPLY COMPANY INC](/search.md) | $12,756 |
| Nov 29, 2023 | West Mercer ES Gym Speaker Replacement 2762300096 | [ELECTROCOM](/search.md) | — |
| Nov 20, 2023 | MS Fiber Install 2762300094 | [SEMAPHORE CORPORATION](/search.md) | $5,692 |
| Nov 20, 2023 | UPS replacement 2762300088 | [SEMAPHORE CORPORATION](/search.md) | $5,551 |
| Nov 1, 2023 | Lake Ridge Elementary 77255061/77283422 | [HOBART](/search.md) | $1 |
| Oct 27, 2023 | MISD Transportation Dept Glass Wall 2972200074 | [EVERGREEN FURNISHINGS](/search.md) | $15,995 |
| Oct 20, 2023 | MISD BUS LOT TRANSFORMER REPLACEMENT PO 2972300013 | [Veca Electric & Tech LLC](/search.md) | $14,490 |
| Oct 9, 2023 | Crest Learning Center Exterior WOM 2972300012 | [SPECTRA CONTRACT FLOORING](/search.md) | — |
| Sep 25, 2023 | Northwood Elemtary | [PnD Logging & Tree Service](/search.md) | $8,258 |
| Sep 21, 2023 | Mercer Island SD IGA PO#2972200026 | [MCKINSTRY ESSENTION LLC](/search.md) | $102,751 |
| Sep 7, 2023 | Lakeridge Elementary 77241804 | [HOBART](/search.md) | $0 |
| Sep 7, 2023 | Island Park Elementary 77241801 | [HOBART](/search.md) | $1 |
| Sep 4, 2023 | Mercer Island School District Ktichen Exhaust Hood System Cleaning Serivce 458108,458111,458112 | [R&T HOOD AND DUCT SERVICES](/search.md) | $5,307 |
| Aug 24, 2023 | 32983 West Mercer Elementary School (TIPS #23010402)_A_PO 2972200073 2972200073 | [RAINIER ASPHALT SEALING LLC](/search.md) | $16,574 |
| Aug 23, 2023 | Crest Learning Leak Crest Learning | [WESTERN MECH CONTRACTORS INC](/search.md) | — |
| Aug 21, 2023 | Fiber install 2762200151 | [SEMAPHORE CORPORATION](/search.md) | $75,128 |
| Aug 14, 2023 | West Mercer ES Intercom Upgrade 2762300026 | [ELECTROCOM](/search.md) | $35,116 |
| Aug 1, 2023 | Mercer Island School District MIHS PAC Mercer Island School District | [TODD ROBINSON PAINTING INC](/search.md) | $41,299 |
| Aug 1, 2023 | Mercer Island 4848 Kuhn 4848 | [NORTHWEST INSTALLATION ENT INC](/search.md) | $17,487 |
| Jul 21, 2023 | Tree Trimming (top 9 cypress shrubs) 258 | [CEDAR VALLEY EARTHWORKS INC](/search.md) | $9,917 |
| Jul 17, 2023 | BUS LOT FUELING FACILITY PO # 2972200059 | [PACIFIC ENVIRONMENTAL SRVCS CO](/search.md) | $120,010 |
| Jul 13, 2023 | Mercer Island SD Admin Building 2972200067 | [LONG PAINTING CO](/search.md) | $17,096 |
| Jul 13, 2023 | Mercer Island HS Intercom Speaker Additions 2762300015 | [ELECTROCOM](/search.md) | $38,411 |
| Jul 10, 2023 | MERCER ISLAND HS 2972200043 | [BARGREEN ELLINGSON INC](/search.md) | $88,408 |
| Jul 10, 2023 | WEST MERCER ELEMENTARY 2972200046 | [BARGREEN ELLINGSON INC](/search.md) | $37,806 |
| Jul 10, 2023 | LAKERIDGE ELEMENTARY 2972200044 | [BARGREEN ELLINGSON INC](/search.md) | $37,806 |
| Jul 10, 2023 | ISLAND PARK ELEMENTARY 2972200045 | [BARGREEN ELLINGSON INC](/search.md) | $37,806 |
| Jul 6, 2023 | West mercer elementary playground recostruction 2972200061 | [GARY THAYER CONSTRUCTION LLC](/search.md) | $158,984 |
| Jun 21, 2023 | Mercer Island HS PAC 2972200054 | [SPECTRA CONTRACT FLOORING](/search.md) | — |
| Jun 21, 2023 | Mercer Island HS Weight & Wrestling Room 4140624 | [SPECTRA CONTRACT FLOORING](/search.md) | — |
| Jun 13, 2023 | West Mercer Elementary School 2972200057 | [LANDSCAPE STRUCTURES INC](/search.md) | $335,853 |
| Jun 7, 2023 | Islander Middle School-Plumbing Diagnose and Repair--Other Symptom Inv 10160243 WO 9877597 | [MCKINSTRY CO LLC](/search.md) | $28,030 |
| Jun 4, 2023 | 2023 maintenance coatings gym floors 1972200165-4140041 | [WESTERN HARDWOOD INC](/search.md) | $10,451 |
| Jun 2, 2023 | (title withheld) Jen Williamson | [SME SOLUTIONS LLC](/search.md) | — |
| May 31, 2023 | MISD Transportation Cabinets 2972200050 | [EVERGREEN FURNISHINGS](/search.md) | $12,509 |
| May 31, 2023 | Northwood Elementary 2972200037 | [LANDSCAPE STRUCTURES INC](/search.md) | $97,860 |
| May 30, 2023 | Mercer Island High School Pathway (TIPS #23010402)_A_ PO 297220042 297220042 | [RAINIER ASPHALT SEALING LLC](/search.md) | $7,808 |
| May 30, 2023 | 32034 Lakeridge Elementary School - (PO 297220041 297220041 | [RAINIER ASPHALT SEALING LLC](/search.md) | $15,919 |
| May 30, 2023 | 32033 Mercer Island School Bus Barn (TIPS #23010402)_A PO 2972200040 2972200040 | [RAINIER ASPHALT SEALING LLC](/search.md) | $70,541 |
| May 30, 2023 | Mercer Island HS Commons Restrooms 4140378 | [SPECTRA CONTRACT FLOORING](/search.md) | — |
| May 30, 2023 | 32031 MOT Building_(TIPS #23010402) 2972200039 | [RAINIER ASPHALT SEALING LLC](/search.md) | $3,964 |
| May 15, 2023 | High school 3197 | [UTILITIES SERVICE CO INC](/search.md) | — |
| Apr 7, 2023 | MIHS, NE & IMS 2023-2024 Landscape Maintenance (Northwood Elementary) 2972100012 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $13,770 |
| Apr 7, 2023 | MIHS, NE & IMS 2023-2024 Landscape Maintenance 2972100012 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $6,083 |
| Apr 7, 2023 | MIHS, NE & IMS 2023-2024 Landscape Maintenance 2972100012 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $25,376 |
| Mar 16, 2023 | Mercer Island School District - Kitchen Exhaust Hood System Cleaning 457383,457384,457385,457386 | [R&T HOOD AND DUCT SERVICES](/search.md) | $6,881 |
| Feb 23, 2023 | Semi-Annual Inspection of 2 Kitchen Hood Fire Suppression Systems 1972200142 | [ALEXANDER GOW FIRE EQUIP CO](/search.md) | $1,740 |
| Feb 14, 2023 | Mercer Island SD District Office Paging System 2762200117 | [ELECTROCOM](/search.md) | $46,647 |
| Jan 18, 2023 | DNAFusion SWM 2023 Update 1972200121 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $16,962 |
| Jan 13, 2023 | Islander Middle School Access Control Updates 1972200113 | [GUARDIAN SECURITY SYSTEMS INC](/search.md) | $3,292 |
| Nov 21, 2022 | Northwood ES Hallway Carpet 2972200016 | [SPECTRA CONTRACT FLOORING](/search.md) | — |
| Nov 17, 2022 | 2022-2023 School Year Steve | [ELECTROCOM](/search.md) | $10,000 |
| Oct 7, 2022 | Mercer Island elementary 3186 | [UTILITIES SERVICE CO INC](/search.md) | — |
| Sep 28, 2022 | Crest Learning Center Intercom Upgrade 2762200054 | [ELECTROCOM](/search.md) | $11,357 |
| Sep 19, 2022 | Mercer Island School District - Kitchen Exhaust Hood System Cleaning 456509,456510,456523 | [R&T HOOD AND DUCT SERVICES](/search.md) | $4,321 |
| Sep 8, 2022 | Mercer Island HS Stair Treads 2972100061 | [SPECTRA CONTRACT FLOORING](/search.md) | — |
| Aug 25, 2022 | Island Park Elementary 2972100055 | [LANDSCAPE STRUCTURES INC](/search.md) | $10,488 |
| Aug 22, 2022 | Mercer Island HS Photo Lab 2972100062 | [SPECTRA CONTRACT FLOORING](/search.md) | — |
| Jul 29, 2022 | 30016 School Bus Location_ST 2022 School Bus Location | [RAINIER ASPHALT SEALING LLC](/search.md) | $3,026 |
| Jul 29, 2022 | 30147 Islander Middle School_ST 2022 Islander Middle School | [RAINIER ASPHALT SEALING LLC](/search.md) | $1,924 |
| Jul 29, 2022 | 30018 Mary Wayte Pool 2022-07-Mary Wayte Pool | [RAINIER ASPHALT SEALING LLC](/search.md) | $3,164 |
| Jul 12, 2022 | WEST MERCER ELEM. BRUSH MOWING 2972100051 | [CUSTOM DIRT WORKS INC](/search.md) | $11,450 |
| Jul 7, 2022 | SideSewer replacement and Bus lot Trenching 297 2100 049 | [GARY THAYER CONSTRUCTION LLC](/search.md) | $114,000 |
| Jul 6, 2022 | Mercer Island High School 1972100225 | [HOBART](/search.md) | $1,982 |
| Jul 6, 2022 | Lakeridge Elem. School Intercom Upgrade 2762100164 | [ELECTROCOM](/search.md) | $32,651 |
| Jul 5, 2022 | Island Park Elementary 1972100194 | [HOBART](/search.md) | $1,871 |
| Jun 30, 2022 | MIHS, NE & IMS 2022-2023 Landscape Maintenance 2972100012 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $44,916 |
| Jun 28, 2022 | Semi-Annual Kitchen Hoods Inspection 25539468/25539446 | [ALEXANDER GOW FIRE EQUIP CO](/search.md) | $2,400 |
| Jun 28, 2022 | MISD - South Mercer Playfield Improvements 201801-01 | [FIELDTURF USA INC](/search.md) | $4,775,350 |
| Jun 23, 2022 | 5 School IDF Grooming 2762100162 | [SEMAPHORE CORPORATION](/search.md) | $13,923 |
| Jun 21, 2022 | Bus Lot EV Charging Install 2972100041 | [MILNE ELECTRIC INC](/search.md) | $43,930 |
| Jun 2, 2022 | Mercer Island High School Learning Commons & Family Consumer Sciences 22-331 | [C D K CONST SERVICES INC](/search.md) | $795,865 |
| May 31, 2022 | Mercer Island HS new bleachers #303665 2972100026 | [NOR-PAC SEATING COMPANY INC](/search.md) | $324,244 |
| Apr 14, 2022 | Mercer Island SD Warehouse 2972100035 | [SPECTRA CONTRACT FLOORING](/search.md) | — |
| Apr 14, 2022 | Mercer Island HS Library 4134650 | [SPECTRA CONTRACT FLOORING](/search.md) | — |
| Apr 4, 2022 | Mercer Island SD-West Mercer Apex to ACM Upgrade Signed Proposal | [A T S AUTOMATION INC](/search.md) | $22,317 |
| Mar 22, 2022 | IDF/MDF Cleanup 2762100127 | [SEMAPHORE CORPORATION](/search.md) | $12,454 |
| Mar 9, 2022 | Mercer Island School District - Kitchen Exhaust Hood System Cleaning 455681,455676,455676 | [R & T HOOD & DUCT SERVICES INC](/search.md) | $4,305 |
| Feb 10, 2022 | West Mercer Elementary School Cleanup WO78239 1972000202 | [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | $2,948 |
| Jan 18, 2022 | Mercer Island Bus Barn Inv 270786 | [DAVIS DOOR SERVICE INC](/search.md) | $873 |
| Dec 30, 2021 | UPS Removal & Replacement SEMQ7241 | [SEMAPHORE CORPORATION](/search.md) | $4,340 |
| Dec 9, 2021 | Mercer Island High School 1872000030 | [HOBART](/search.md) | $1,681 |

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

| Contractor | Intents on this agency's projects |
|---|---|
| [A T S AUTOMATION INC](/search.md) | 8 |
| [ALL CITY FENCE CO](/search.md) | 23 |
| [COMPLETED FLOOR COVERING INC](/search.md) | 8 |
| [ELECTROCOM](/search.md) | 20 |
| [EVERGREEN CONCRETE CUTTING INC](/search.md) | 7 |
| [GUARDIAN SECURITY SYSTEMS INC](/search.md) | 59 |
| [HOBART](/search.md) | 17 |
| [LANDSCAPE STRUCTURES INC](/search.md) | 6 |
| [MILNE ELECTRIC INC](/search.md) | 5 |
| [NORTHWEST INSTALLATION ENT INC](/search.md) | 14 |
| [NORTHWEST PLAYGROUND EQUIP INC](/search.md) | 6 |
| [P K ELECTRIC](/search.md) | 10 |
| [PLAY-CREATION INC](/search.md) | 7 |
| [PnD Logging & Tree Service](/search.md) | 11 |
| [R & R CONSTRUCTION INC](/search.md) | 9 |
| [R&T HOOD AND DUCT SERVICES](/search.md) | 8 |
| [RAINIER ASPHALT SEALING LLC](/search.md) | 20 |
| [Ralph's Concrete Pumping](/search.md) | 11 |
| [SEMAPHORE CORPORATION](/search.md) | 11 |
| [SIGNATURE LANDSCAPE SVCS LLC](/search.md) | 29 |
| [SME SOLUTIONS LLC](/search.md) | 6 |
| [SMITH FLOORING LLC](/search.md) | 5 |
| [SPECTRA CONTRACT FLOORING](/search.md) | 25 |
| [WELCOME RAMP SYSTEMS INC](/search.md) | 8 |
| [WESTERN MECH CONTRACTORS INC](/search.md) | 6 |

Alphabetical order; the 25 contractors with the most filings on this agency's projects, prime and subcontractors together.

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---

Página: https://wa-public-works-records.pages.dev/agency/mercer-island-school-district-400/
Fonte: https://data.wa.gov/d/t9je-9qwa
Recolha: 2026-10-01