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This is a genuinely large built-in project, not a standalone furniture piece — four separate bays (sink base, trash pull-out, dishwasher panel, and open shelving) are built as individual plywood cabinets, then joined into one continuous run behind a single back panel. Build the sink base first: cut 4"x4" toekicks into the front edges with a jigsaw, attach the shelf flush to the toekick cutout with pocket holes, then add three bay supports for strength — note that the top bay supports run vertically here specifically to clear a modern oversized sink.
Double-check your actual dishwasher's clearance requirement before cutting the dishwasher panel — 24" is standard, but not universal, and some dishwashers need more room than the plan assumes. The plan also flags that the top-front bay support on this panel may need to be skipped depending on that clearance, with a bottom-back support added instead for strength.
Once all four bays are built, the single back panel spans and ties them together — glued, brad-nailed, and reinforced with screws through every joint. Trim (top, bottom, and stile boards) wraps the whole assembled run, with 1x3 stiles at the outer corners specifically because the corbels need a wider board to land on than a 1x2 provides. The countertop itself is sourced and fabricated separately — this plan builds the cabinet base only, not the counter, and the corbels go on last, secured from the back side once the countertop is in place.
| Item | Qty |
|---|---|
| 3/4" hardwood plywood, full sheets | 2 each |
| 1/2" hardwood plywood, full sheet | 1 each |
| 1x2, 8 ft | 5 each |
| 1x6, 8 ft | 2 each |
| 1x3, 10 ft | 1 each |
| 1x4, 8 ft, for drawer and baseboard | 3 each |
| 1x3, 8 ft, furring strips for bay supports | 6 each |
| Full extension drawer slides, 20 in | 1 pair |
| Double trash pull-out, max 15 in width | 1 each |
| Concealed hinges, frameless half overlay | 2 set |
| Corbels, 9 in x 12 in | 2 each |
| Pocket hole screws, 1-1/4" | 120 each |
| Brad nails, 1-1/4" | 150 each |
| Wood glue | 8 oz |
| Edge banding | 30 ft |
| Countertop, sourced and fabricated separately (not included in this build's cost) | 1 set |
| Primer and paint, or stain and poly | 1 set |
Overall cost: $$$$$. Lumber prices vary by region, species, and season, so we give a band rather than a figure we would only be pretending to know.
| Part | Qty | T × W × L |
|---|---|---|
| Cabinet side/shelf panels3/4" hardwood plywood, full sheetsEdge band front exposed edges. | 5 | 3/4" × 23 1/4" × 34 1/2" |
| Trash pull-out shelf3/4" hardwood plywood, full sheets | 1 | 3/4" × 23 1/4" × 15" |
| Open shelf panels3/4" hardwood plywood, full sheets | 4 | 3/4" × 11 1/4" × 34 1/2" |
| Open shelf boards3/4" hardwood plywood, full sheets | 6 | 3/4" × 11 1/4" × 24 1/2" |
| Back panel1/2" hardwood plywood, full sheet | 1 | 1/2" × 76 1/2" × 34 1/2" |
| Top trim1x2, 8 ft | 1 | 3/4" × 1 1/2" × 76 1/2" |
| Top trim cap1x6, 8 ft | 1 | 3/4" × 5 1/2" × 76 1/2" |
| Front stiles1x2, 8 ft | 4 | 3/4" × 1 1/2" × 27 1/2" |
| Side top trim1x2, 8 ft | 2 | 3/4" × 1 1/2" × 35 3/4" |
| Side top trim cap1x6, 8 ft | 2 | 3/4" × 5 1/2" × 35 3/4" |
| Outer corner stiles1x3, 10 ftWider stile so the corbels land on solid trim. | 4 | 3/4" × 2 1/2" × 27 1/2" |
| Mid stiles1x2, 8 ft | 4 | 3/4" × 1 1/2" × 27 1/2" |
| Dishwasher end panel trim1x2, 8 ft | 1 | 3/4" × 1 1/2" × 34 1/2" |
| Baseboard trim1x4, 8 ft, for drawer and baseboardMeasure and cut to fit. | 1 | 3/4" × 3 1/2" × 76 1/2" |
| Drawer sides1x4, 8 ft, for drawer and baseboard | 2 | 3/4" × 3 1/2" × 20" |
| Drawer front/back1x4, 8 ft, for drawer and baseboardMeasure and cut to fit after installing drawer sides. | 2 | 3/4" × 3 1/2" × 12 1/2" |
| Drawer bottom1/2" hardwood plywood, full sheetMeasure and cut to fit. | 1 | 1/2" × 14" × 20" |
| Drawer face, trash pull-out1x6, 8 ft | 1 | 3/4" × 6" × 15 1/2" |
| Door, trash pull-out3/4" hardwood plywood, full sheets | 1 | 3/4" × 23 1/4" × 15 1/2" |
| Doors, sink base3/4" hardwood plywood, full sheets | 2 | 3/4" × 17 3/8" × 29 1/2" |
Buy 22 boards at 8 ft.
3 boards
1 board
Cut 4"x4" toekicks into the front edges with a jigsaw. Attach the shelf to the sides with 3/4" pocket holes and 1-1/4" pocket hole screws, flush to the toekick cutout. Cut and attach three bay supports, running the top supports vertically for sink clearance.
Repeat the sink base steps for the trash cabinet panel and shelf, strengthening with bay supports.
Confirm your dishwasher's actual clearance requirement (24" is standard, some need more). Build the panel and add bay supports, skipping the top-front support if your clearance requires it and adding a bottom-back support instead.
Cut the 1/2" plywood back with a circular saw and attach with glue and 1-1/4" brad nails, adding pocket hole screws at the joints for extra strength.
Build the open shelf carcass with 3/4" pocket holes and 1-1/4" pocket hole screws, attaching through the bay supports to the back plywood. Add bay supports at the bottom as well.
Measure, cut, and nail on the top and bottom trim, then the vertical stile trim on the front edges of the plywood. Repeat for the sides using the wider 1x3 stiles at the outer corners.
Cut and nail a 1x2 to trim the front edge of the dishwasher panel. Trim the entire base with 1x4 baseboard, measured and cut to fit.
Build the drawer from 1x4 boards. Install the drawer sides onto the drawer slides inside the cavity, measure the gap between them, cut the front/back to fit, and attach with pocket hole screws. Cut and attach the 1/2" plywood bottom with glue and nails, positioning the drawer at a height the face will cover.
Attach the drawer face to the drawer box. Install the doors with frameless half-overlay concealed hinges.
Have the countertop fabricated and installed separately by a fabricator (this plan builds only the cabinet base). Once installed, attach the corbels from the back side with 2" screws.
Sand all surfaces and apply primer and paint, or stain and poly.
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4 boards
1 board
2 boards
2 boards
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5 boards
1 board
1 board
Assumes 8 ft stock, a 1/8" saw kerf, and buying each part at its own width. Change the board size or kerf on the full board plan →