Concrete Block Wall Cost Guide — Calculate Wall Construction Costs

Concrete Block Wall Cost Guide

Calculate concrete block wall costs, materials, and labor. Determine total project cost based on wall dimensions, block type, and local labor rates.

Step 1: Wall Dimensions

20.0
6.0

Standard Block Dimensions

Standard concrete block: 8″ x 8″ x 16″
Blocks per square foot: 1.125
Mortar per 100 blocks: 3 cubic feet
Footings required: Depth = 1/2 wall height

Step 2: Cost Factors

$1.25
$45

Average Costs by Region

Low Cost: $10-15 per sq.ft.
Medium Cost: $15-25 per sq.ft.
High Cost: $25-40 per sq.ft.
Labor: Typically 40-60% of total cost

Wall Cost Estimation

Summary
Cost Breakdown
Materials List

Total Estimated Cost

$1,845
$15.38 per sq.ft • 120 sq.ft wall
Wall Area
120 sq.ft
Blocks Required
135 blocks
Material Cost
$745
Labor Cost
$1,100

Detailed Cost Breakdown

Cost Item Quantity Unit Cost Total Cost

Materials List

For a 20′ x 6′ Concrete Block Wall

Blocks: 135 standard concrete blocks (8″ x 8″ x 16″)
Mortar: 4 cubic feet (approximately 18 bags)
Concrete Footings: 2.5 cubic yards (if required)
Rebar: 40 feet of #4 rebar (vertical reinforcement)
Wall Ties: 30 pieces (if connecting to existing structure)
Cap Blocks: 15 blocks (for top course)

Tools Needed: Masonry trowel, level, chalk line, wheelbarrow, mortar hoe, joint tool

Construction Timeline

Estimated Construction Time

Site Preparation: 4-8 hours (clearing, marking, digging footings)
Footing Installation: 4-6 hours (forms, pouring, curing)
Block Laying: 12-20 hours (approximately 7-10 blocks per hour)
Finishing: 4-6 hours (pointing, cleaning, sealing)
Total Labor Hours: 24-40 hours

Note: These estimates are for professional masons. DIY projects may take 50-100% longer.

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