Chimney Sweep Business Estimated Taxes: Quarterly Payment Guide

By Yarik Yarosh, CPA ·September 5, 2026 ·3 min read

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

Chimney sweep businesses are among the most seasonal trades. Demand peaks sharply from September through January, when homeowners prepare for and use their fireplaces and wood stoves. Spring brings a secondary bump (post-season cleanings and repairs), while summer is the slowest period. This seasonality creates a mismatch between the equal quarterly payment schedule (April, June, September, January) and actual cash flow. The annualized income installment method under IRC 6654(d)(2) is particularly valuable for chimney sweeps because it lets you pay less in Q1 and Q2 (when income is lowest) and more in Q3 and Q4 (when revenue peaks).

✓Key takeaway

Estimated tax planning for chimney sweep businesses:

Set-aside rate: 22-25% of net profit
Seasonal revenue pattern: September-January = 60-70% of annual revenue; April-May = 15-20%; June-August = 10-15%
Recommended method: annualized income installment method (reduces Q1 and Q2 payments to match actual income)
Quarterly due dates: April 15, June 15, September 15, January 15
High margins mean more taxable income: materials are only 5-15% of revenue, so 50-65% of revenue flows to taxable profit after expenses
Safe harbor: 100% of prior year tax (110% if AGI > $150,000)

How does seasonality affect quarterly payments?

Hypothetical example

Round numbers. A solo chimney sweep, single filer. Annual net profit: $96,000. Revenue distribution by quarter:

Quarter	Revenue Share	Net Profit
Q1 (Jan-Mar)	25%	$24,000
Q2 (Apr-Jun)	10%	$9,600
Q3 (Jul-Sep)	20%	$19,200
Q4 (Oct-Dec)	45%	$43,200
Total	100%	$96,000

Annual tax: approximately $23,200 (SE tax $13,547 + income tax $9,653, after QBI deduction)

Method 1: Equal quarterly payments (standard). Each payment: $23,200 / 4 = $5,800

Due Date	Payment	Cumulative Income	Cash Available
April 15	$5,800	$24,000 (Q1)	Tight but possible
June 15	$5,800	$33,600 (Q1+Q2)	Difficult, summer is slow
September 15	$5,800	$52,800 (Q1-Q3)	Manageable, fall starting
January 15	$5,800	$96,000 (full year)	Easy, peak season just ended

The June 15 payment is the hardest. Only $9,600 in profit was earned in Q2, but $5,800 is due.

Method 2: Annualized income installment method. This method calculates each quarter’s payment based on actual income earned through that quarter, annualized and then compared to the safe harbor.

Quarter	YTD Income	Annualized	Tax on Annualized	Required YTD Payment	Incremental Payment
Q1	$24,000	$96,000	$23,200	$5,800	$5,800
Q2	$33,600	$67,200	$14,400	$7,200	$1,400
Q3	$52,800	$70,400	$15,400	$11,550	$4,350
Q4	$96,000	$96,000	$23,200	$23,200	$11,650

Annualized method savings in Q2: $5,800 - $1,400 = $4,400 deferred

The June 15 payment drops from $5,800 to $1,400, freeing up $4,400 in cash during the slowest period. The deferred amount is repaid in Q3 and Q4 when revenue is highest.

Using the annualized method requires filing Form 2210 Schedule AI with the tax return to demonstrate that the unequal payments were based on annualized income, not simply late. Without this form, the IRS will assess underpayment penalties on the Q2 shortfall.

Practical tip: set aside 25% of every deposit into a separate tax savings account. In peak months (October, November, December), the account builds a surplus. In slow months (June, July, August), the surplus covers the gap. This self-funding mechanism works regardless of which payment method you use.

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

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Cite this page

Yarik Yarosh, CPA. "Chimney Sweep Business Estimated Taxes: Quarterly Payment Guide." Blue Cloud CPA, September 5, 2026. https://bluecloudcpa.com/guides/chimney-sweep-estimated-taxes

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