Concrete and Masonry Business Estimated Taxes: Seasonal Income Guide

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

Concrete and masonry work is among the most seasonal trades. In northern states, the pouring season runs roughly March through November. Below-freezing temperatures make concrete placement impractical (fresh concrete must be maintained above 50 degrees F for proper curing). Revenue can drop 70-90% in December through February. This seasonality creates a mismatch between when income is earned and when equal quarterly payments are due.

✓Key takeaway

Seasonal income pattern for concrete/masonry:

Typical revenue distribution (northern states):

Q1 (Jan-Mar): 10-15% of annual revenue (mostly March)
Q2 (Apr-Jun): 30-35% of annual revenue (peak booking season)
Q3 (Jul-Sep): 35-40% of annual revenue (highest production)
Q4 (Oct-Dec): 15-20% of annual revenue (wrapping up before freeze)

Three approaches to estimated taxes:

Equal quarterly payments (simplest): divide last year’s tax by 4, pay that amount each quarter. Problem: you’re paying $6,500 in January when your bank account is near empty from winter.
Prior year safe harbor (recommended for most): pay 100% of last year’s total tax (110% if AGI over $150,000), divided into 4 equal quarters. You know the exact number on April 15. Same cash flow problem as above, but no penalty risk.
Annualized income installment method (Form 2210, Schedule AI): each quarter’s payment is based on income earned through that quarter. Q1 payment is low (10-15% of annual income earned). Q2-Q3 payments are higher (matching the busy season). This aligns payments with cash flow. The calculation is more complex, but the cash flow benefit is significant.

Cash flow planning for winter:

During the busy season (April-October), set aside 25-27% of net revenue into a tax savings account
That reserve covers estimated payments AND the winter cash shortfall
By October 31, the tax savings account should hold enough to cover the Q4 payment (Jan 15) and Q1 payment (Apr 15) plus operating expenses through March

How does the annualized method help concrete businesses?

Hypothetical example

Round numbers. A sole proprietor concrete contractor. Annual net profit: $114,000. Single filer. Revenue follows the typical seasonal pattern.

Annual tax liability: $26,100 (SE tax $16,100 + income tax $10,000)

Method 1: Equal quarterly payments. $26,100 / 4 = $6,525 per quarter

Quarter	Due Date	Payment	Cash Available
Q1	Apr 15	$6,525	Low (winter ending, March revenue just starting)
Q2	Jun 15	$6,525	Moderate (April-May revenue received)
Q3	Sep 15	$6,525	High (peak season)
Q4	Jan 15	$6,525	Low (winter, minimal revenue since November)

The Q1 and Q4 payments hit when cash is lowest. Many concrete contractors skip those payments, trigger underpayment penalties, and owe a lump sum at filing.

Method 2: Annualized income installment method. Income earned through each quarter:

Through Mar 31 (Q1): $14,000 (12% of annual)
Through May 31 (Q2): $52,000 (46% of annual)
Through Aug 31 (Q3): $94,000 (82% of annual)
Through Dec 31 (Q4): $114,000 (100%)

Required annualized payments:

Q1: ($14,000 annualized tax) x factor = approximately $2,000
Q2: ($52,000 annualized tax) x factor - Q1 paid = approximately $7,500
Q3: ($94,000 annualized tax) x factor - Q1-Q2 paid = approximately $9,500
Q4: remaining = approximately $7,100

Quarter	Due Date	Payment	Cash Available
Q1	Apr 15	$2,000	Low (but payment is small)
Q2	Jun 15	$7,500	Moderate-High (peak season starting)
Q3	Sep 15	$9,500	High (peak season)
Q4	Jan 15	$7,100	Low (but funded from Q3 reserves)

Cash flow difference: the annualized method defers $4,525 from Q1 (when the account is empty) to Q2-Q3 (when revenue is pouring in). No underpayment penalty because Schedule AI proves the payments match actual income.

The S-Corp payroll approach: For a concrete contractor with $114,000 net profit:

Reasonable salary: $55,000 (weekly payroll of approximately $1,058)
Withholding covers federal income tax + employee FICA throughout the year
W-2 withholding is treated as paid ratably across all 4 quarters, even if the actual paychecks are concentrated in the busy season
Only the K-1 distribution ($59,000) might need a small estimated payment
This effectively solves the seasonality problem: withholding from busy-season paychecks covers the full-year tax obligation

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

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Cite this page

Yarik Yarosh, CPA. "Concrete and Masonry Business Estimated Taxes: Seasonal Income Guide." Blue Cloud CPA, September 5, 2026. https://bluecloudcpa.com/guides/concrete-masonry-estimated-taxes

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