Graystone Enterprises Inc
CSLB #1139878 · C-271590 Continental St. San Diego CA. 92154
(619) 761-1113
Ontario landscapes often prioritize heat-tolerant planting, shade, water efficiency, wind-aware materials, and practical gathering space. Use your actual project ZIP to see one labeled featured contractor plus 21 records ranked by exact ZIP and then approximate distance.
Results below use central Ontario ZIP 91764. Your ZIP creates a more relevant list.
One featured record appears first; the rest are ordered from ZIP 91764. A mailing location is not a promised service area.
1590 Continental St. San Diego CA. 92154
(619) 761-1113
651 East H St, Ontario CA 91764
(562) 221-6834
1019 E Nocta St, Ontario CA 91764
(909) 437-3871
425 East F St, Ontario CA 91764
(909) 471-2850
1052 E 6th St Apt 3, Ontario CA 91764
(909) 490-6176
608 N Mariposa Ave, Ontario CA 91764
(909) 675-5010
1042 N Mountain Ave #B191, Upland CA 91764
(626) 253-7570
1850 North Madera Ave, Ontario CA 91764
(909) 772-5908
964 W Granada Court, Ontario CA 91762
(909) 938-1548
1044 Hollowell St, Ontario CA 91762
(909) 525-7878
1030 N Mountain Ave143, Ontario CA 91762
(626) 324-1975
827 West B St, Ontario CA 91762
(909) 223-7251
License snapshot: 2026-05-30. Verify the latest record with CSLB before hiring.
These guides help define the homeowner’s scope. They do not claim that every nearby C-27 record specializes in that service.
Plan a cohesive California landscape with planting, irrigation, hardscape, lighting, and drainage considered together.
Read the Ontario guidePlan new landscapes, full-yard transformations, and coordinated outdoor upgrades with a clearly defined C-27 project scope.
Read the Ontario guideReplace thirsty lawn and planting with a lower-water landscape suited to your California property.
Read the Ontario guideScope sprinkler repairs, drip systems, new irrigation, and smart controller upgrades before comparing nearby C-27 records.
Read the Ontario guidePlan artificial grass, pet turf, putting greens, sod, and lawn-removal projects with the right site-preparation details.
Read the Ontario guidePlan patios, paths, landscape steps, edging, and garden walls as part of a coordinated landscape project.
Read the Ontario guideAddress pooling, runoff, erosion, and landscape slope problems with a clearly scoped site solution.
Read the Ontario guideFind help installing trees, shrubs, privacy planting, native gardens, edible beds, mulch, and groundcover.
Read the Ontario guideAdd low-voltage path, step, and accent lighting or repair landscape water features as part of your outdoor project.
Read the Ontario guidePlan property cleanups, pruning, bed renewal, irrigation checks, and recurring care with a clear landscape scope.
Read the Ontario guideThis city hub connects 10 homeowner planning guides, live contractor profile pages, and the ZIP-based 22-record matcher. Each guide combines the conditions described for Ontario with a specific project scope and nearby public license data.