Countertop Fabrication Business Deductions and Equipment Write-Offs

By Yarik Yarosh, CPA ·September 5, 2026 ·4 min read

Written by Yarik Yarosh, CPA (US & Canada) September 5, 2026 · FL CPA license AC61704 · CPA Ontario

Countertop fabrication is one of the most capital-intensive trades in the home improvement industry. A competitive shop requires a CNC router ($50,000-$200,000), bridge saw ($20,000-$80,000), edge polisher ($10,000-$40,000), and water recycling system ($5,000-$20,000), before considering vehicles, raw material inventory, and shop space. Materials (granite slabs, quartz slabs, marble) typically run 30-40% of revenue. The high equipment cost creates massive Year 1 depreciation deductions, but also means the Year 2 tax jump (when depreciation normalizes) is severe. Countertop fabrication isn’t a specified service trade or business (SSTB) under IRC 199A, so the full QBI deduction applies at all income levels.

✓Key takeaway

Major deduction categories for countertop fabricators:

Major equipment (the big four):

CNC router/stone cutting machine: $50,000-$200,000 (the defining asset)
Bridge saw: $20,000-$80,000
Edge polisher/profiler: $10,000-$40,000
Water recycling/filtration system: $5,000-$20,000

Supporting equipment:

Overhead crane or gantry (for moving slabs): $10,000-$30,000
Forklift (for loading/unloading slabs): $15,000-$40,000
Router (hand-held, for field cuts): $500-$2,000
Wet polisher set: $300-$1,000
Diamond blade inventory: $200-$1,000/month (consumable)
Core drill: $300-$1,000
Seam setter: $200-$500
Vacuum lifters: $500-$3,000
A-frame slab storage racks: $500-$3,000 each
Air compressor (industrial): $2,000-$8,000
Dust and slurry management: $2,000-$10,000

Vehicles:

Box truck (slab delivery): $40,000-$80,000
A-frame truck rack system: $3,000-$8,000
Service van (templating and install): $30,000-$50,000
Forklift (if not listed above): $15,000-$40,000

Raw materials (cost of goods sold):

Granite slabs: $30-$80/sq ft (wholesale)
Quartz slabs (Caesarstone, Cambria, Silestone): $40-$100/sq ft (wholesale)
Marble slabs: $40-$150/sq ft (wholesale)
Quartzite slabs: $50-$200/sq ft (wholesale)
Porcelain slabs (Dekton, Neolith): $30-$80/sq ft
Adhesives, seam compounds, sealers: $200-$500/month
Sink cutout supplies: $50-$200/job
Edge profiles (diamond tooling): $200-$1,000/month

Templating tools:

Digital templating system (LT-2D3D or Proliner): $15,000-$30,000
Laser measurer: $200-$800
Traditional template materials: $100-$300/month

Shop overhead:

Shop lease: $3,000-$8,000/month (need overhead crane, water, drainage, heavy electrical)
Utilities (water, electric for CNC): $1,000-$3,000/month
Water treatment/disposal: $200-$500/month
Shop insurance: $2,000-$6,000/year

Insurance:

General liability: $2,000-$6,000/year
Workers’ compensation (5-8% of payroll)
Commercial auto: $2,000-$6,000/year
Inland marine: $1,000-$3,000/year
Equipment breakdown coverage: $500-$2,000/year

What does Year 1 depreciation look like for a new shop?

Hypothetical example

Round numbers. A countertop fabrication company, Year 1 startup. Equipment purchases:

Equipment	Cost
CNC router	$120,000
Bridge saw	$50,000
Edge polisher	$25,000
Water recycling system	$12,000
Overhead crane	$20,000
Forklift	$25,000
Digital templating system	$20,000
Box truck + A-frame	$55,000
Service van	$40,000
Shop equipment (racks, tools, compressor)	$15,000
Total	$382,000

Year 1 revenue and expenses:

Revenue: $500,000 (ramp-up year)
Materials (35%): $175,000
Labor (4 employees): $180,000
Shop lease: $48,000
Utilities: $24,000
Insurance: $15,000
Marketing: $12,000
Other overhead: $10,000
Total expenses before depreciation: $464,000
Net profit before depreciation: $36,000

With 100% bonus depreciation on $382,000:

Net loss: $36,000 - $382,000 = ($346,000)
Tax: $0
NOL carryforward: $346,000

Year 2 (no major equipment):

Revenue: $700,000 (growth)
Expenses: $560,000
Depreciation: $5,000 (small tools, blades)
Net profit: $135,000
NOL applied (80% x $135,000 = $108,000): ($108,000)
Taxable income: $27,000
Tax: approximately $5,800
Remaining NOL: $238,000

Year 3:

Revenue: $800,000
Expenses: $600,000
Net profit: $195,000
NOL applied (80% x $195,000 = $156,000): ($156,000)
Taxable income: $39,000
Tax: approximately $9,200
Remaining NOL: $82,000

Year 4:

Revenue: $900,000
Expenses: $650,000
Net profit: $245,000
NOL applied (remaining $82,000): ($82,000)
Taxable income: $163,000
Tax: approximately $42,000

The NOL from the $382,000 equipment investment shields income for approximately 3.5 years. In Year 4, when the NOL is exhausted, the full tax burden hits. This is the year to consider the S-Corp election (if not already in place), as the SE tax savings at $245,000 net profit would be approximately $20,000/year.

Section 179 consideration: the $2,500,000 Section 179 limit (2025) easily covers the $382,000, but Section 179 can’t create a loss. With only $36,000 in net profit before depreciation, Section 179 would be limited to $36,000. Bonus depreciation has no such limit, making it the better choice for equipment-heavy startups.

Illustrative numbers only, not a real client and not advice for your facts.

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Cite this page

Yarik Yarosh, CPA. "Countertop Fabrication Business Deductions and Equipment Write-Offs." Blue Cloud CPA, September 5, 2026. https://bluecloudcpa.com/guides/countertop-fabrication-deductions-equipment

This guide is general information, not tax advice for your specific situation. Which points apply, and how, depends on your facts.