| 24/7 Builders Inc | 3 | $1,500 | Nov 20, 2025 |
| Alexander Mark Pulos | 1 | $350 | Feb 24, 2016 |
| All-Tex, Inc. | 5 | $4,300 | Feb 14, 2025 |
| Allied Insulation, Inc. | 5 | $3,275 | Sep 11, 2025 |
| Apollo Detailing, LLC Aka Apollo Restoration & Protection, LLC | 3 | $620 | Aug 9, 2017 |
| Aria Electric & Construction | 2 | $2,100 | Aug 7, 2017 |
| Atria Management Company LLC | 8 | $4,060 | Jan 24, 2023 |
| Bank of the West | 6 | $1,610 | Jun 18, 2018 |
| Bay Club America Inc. | 1 | $1,000 | Feb 4, 2020 |
| Blackstone Development Inc | 5 | $2,500 | Feb 18, 2026 |
| Bogart Construction, Inc | 13 | $20,495 | Dec 19, 2024 |
| Bonifacio Chavez | 1 | $500 | Aug 2, 2016 |
| Cardinal Builder, Inc. | 4 | $955 | Jun 18, 2025 |
| Carollo Engineers, Inc. | 6 | $12,335 | Jun 28, 2022 |
| Ceibas Enterprise Inc. | 4 | $4,000 | Sep 15, 2020 |
| Center Shadelands, LLC | 3 | $785 | May 24, 2018 |
| City of Walnut Creek Recreation Division | 2 | $750 | May 11, 2015 |
| Cleary Bros. Landscape, Inc. | 6 | $18,750 | Sep 8, 2017 |
| CMRR II, Inc | 4 | $475 | Mar 9, 2016 |
| Crocker Electric Incorporated | 4 | $1,545 | Dec 19, 2024 |
| D & D Ready Mix | 3 | $375 | Aug 18, 2016 |
| Daysh Developments Inc | 2 | $15,100 | Jul 2, 2025 |
| DDC, Davis Development Company, Inc. | 1 | $450 | Mar 8, 2017 |
| Dirito Brothers Walnut Creek Inc. | 1 | $12,600 | Dec 15, 2016 |
| Dragan Gavric and Jelena Gavric, Individually and | 2 | $310 | Sep 18, 2018 |
| Exaro Technologies Corporation | 2 | $300 | Aug 20, 2020 |
| Faas Enterprises, LLC | 3 | $895 | Jun 18, 2015 |
| Fadelli Concrete Pumping Inc | 7 | $35,350 | May 22, 2020 |
| Falcon Paving | 4 | $700 | Sep 11, 2025 |
| Frederic Freihofner | 6 | $913 | Mar 9, 2016 |
| George Piombo | 5 | $875 | Feb 23, 2016 |
| Geronimo C. del Carmen | 3 | $620 | Jun 18, 2015 |
| GHC of Walnut Creek, LLC | 5 | $7,875 | Dec 23, 2020 |
| Gomez Construction, Inc. | 5 | $750 | Nov 18, 2015 |
| Got Watts Electric Inc. | 2 | $600 | Jun 5, 2020 |
| Henry Ortiz JR. | 4 | $500 | Aug 18, 2016 |
| Howell Landscape Construction Inc. | 3 | $600 | Sep 17, 2020 |
| Integrity Builders & Investments Inc. | 3 | $375 | Aug 24, 2016 |
| Jannisse & Sons Construction | 3 | $1,523 | May 11, 2015 |
| John Muir Health | 6 | $31,225 | Jun 29, 2026 |
| John Muir Health Walnut Creek | 1 | $800 | Oct 23, 2024 |
| John Muir Medical Center | 18 | $12,180 | Sep 17, 2024 |
| John R Galbraith, an Individual | 5 | $800 | Aug 24, 2016 |
| John's Genova Delicatessen, Inc. | 4 | $1,370 | May 24, 2021 |
| Kaiser Permanente Medical Group | 1 | $280 | Aug 10, 2021 |
| Kaiser Permanente Walnut Creek Medical Center | 2 | $1,600 | Nov 16, 2023 |
| Kevin Scaffolding Inc | 3 | $825 | Mar 17, 2022 |
| Kga Business Consultants, Inc. | 5 | $990 | Aug 16, 2017 |
| Labormax Staffing LLC | 3 | $1,050 | Apr 24, 2015 |
| Lithia Motors Inc. | 5 | $24,425 | Jan 14, 2026 |
| M.C.M. Construction, Inc. | 9 | $44,580 | May 1, 2023 |
| Main Street Wash & Detail LLC | 3 | $555 | May 16, 2015 |
| Marc Depew | 4 | $700 | Feb 23, 2016 |
| Mountain Cascade, Inc. | 49 | $40,695 | Aug 27, 2026 |
| MT. Diablo Unified School District, Walnut Acres Elementary School | 2 | $150 | Feb 10, 2016 |
| Muller Veterinary Hospital | 1 | $450 | Nov 6, 2023 |
| N I R West Coast Inc | 1 | $250 | Oct 9, 2015 |
| Nordstrom Inc., #421 | 2 | $3,400 | Jul 1, 2016 |
| Ocal Rodent Proofing Specialists | 5 | $17,300 | May 13, 2026 |
| Paragon Ventures, Inc. | 6 | $18,710 | Sep 1, 2020 |
| Parrott Construction | 3 | $375 | Aug 18, 2016 |
| Pars Design & Construction | 5 | $12,100 | Jun 12, 2019 |
| Pat Hannan, an Individual | 4 | $500 | Aug 24, 2016 |
| Pegasus Group | 2 | $11,800 | Sep 26, 2017 |
| Pizza Oliva | 1 | $500 | Jun 17, 2025 |
| Point Green Home Solutions LLC | 9 | $70,800 | Sep 13, 2024 |
| Preferred Staffing | 3 | $900 | Apr 24, 2015 |
| Ramfire Building Maintenance | 5 | $27,600 | Aug 1, 2016 |
| Rogers Behavioral Health Walnut Creek | 1 | $300 | Jul 10, 2026 |
| Schuchart Corporation | 3 | $2,200 | Aug 16, 2022 |
| Scott Busby Construction, Inc. | 15 | $4,885 | Jun 11, 2024 |
| Sierra Valley Painting Inc | 6 | $5,875 | Sep 26, 2024 |
| Stone Tree, Inc. | 6 | $7,250 | Jun 24, 2022 |
| Stubblefield Landscape, Inc. | 3 | $375 | Aug 25, 2016 |
| TM Demolition, Inc. | 4 | $1,240 | May 24, 2018 |
| Traverso Tree Service Inc. | 4 | $13,475 | Jul 10, 2021 |
| Tree Sculpture Group | 1 | $18,000 | Jul 12, 2023 |
| U.S. Postal Service - Walnut Creek | 3 | $76,863 | Sep 22, 2021 |
| V Mendoza Roofing Inc. | 4 | $11,400 | Dec 4, 2019 |
| Vca Inc. Encina Veterinary Medical Center | 1 | $3,250 | Mar 5, 2024 |
| Vincent Contractors, Inc. | 2 | $18,750 | Apr 5, 2022 |
| W F Builders Inc | 1 | $250 | Sep 22, 2015 |
| Walnut Creek Ford Inc. | 1 | $0 | Oct 3, 2022 |
| Walt Hughes | 1 | $85 | Mar 9, 2016 |
| Waraner Tree Experts | 3 | $11,300 | Oct 3, 2018 |
| Wavedivision Holdings, LLC | 9 | $17,950 | Oct 14, 2019 |
| West Coast Solar Inc. | 6 | $16,630 | May 3, 2018 |
| William Taft Thompson, an Individual | 3 | $555 | Aug 9, 2017 |
| Willow Creek Construction | 2 | $10,900 | Oct 23, 2015 |
| Winter Roofing, Inc | 3 | $1,950 | Apr 21, 2016 |