Cost to Retaining Wall Construction in Phoenix, AZ

$2,850–$9,500 in Phoenix

5% below the national average · 0.95x cost multiplier

In Phoenix, a retaining wall construction runs $2,850 to $9,500 on average — about 5% below what homeowners pay nationwide. The Mountain West market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.

Cost Breakdown in Phoenix

Line Item	Low	Mid	High
Cost per linear ft	$19	$43	$81
Materials	$1,425	$2,660	$5,225
Labor	$1,140	$2,565	$4,275
Permits	$190	$333	$475
Total	$2,755-5% vs. national avg	$6,033-5% vs. national avg	$11,400-5% vs. national avg

Budget

Interlocking concrete block (Allan Block or similar), 3 ft tall, 50 linear feet, no engineering required, basic gravel backfill and drainage

Mid-Range

Natural stone or premium block, 4 ft tall, 50 linear feet, geogrid reinforcement, proper drainage system, landscape-ready cap

Premium

Natural stone or poured concrete, 6 ft tall, 50 linear feet, engineered design, full drainage system, geogrid layers, rebar reinforcement

Material Options

Material prices below are national averages; availability in Phoenix may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
Interlocking Concrete Block	$20-$35 per linear ft (3 ft height)	Most cost-effective, uniform appearance, no mortar needed, excellent drainage integration	Limited style options, can look repetitive on long runs, cheaper blocks fade in UV	Most residential applications, garden terracing, functional retaining up to 4 feetMost cost-effective, uniform appearance, no mortar needed, excellent drainage integration
Natural Stone (Fieldstone/Limestone)	$40-$70 per linear ft (3 ft height)	Beautiful natural appearance, ages well, each wall is unique, excellent curb appeal	Expensive, labor-intensive to install, requires skilled mason, irregular shapes need more backfill	Front-yard walls visible from the street, upscale properties, blending with natural landscapesBeautiful natural appearance, ages well, each wall is unique, excellent curb appeal
Poured Concrete	$30-$55 per linear ft (3 ft height)	Strongest option, smooth modern appearance, can be formed to any shape, can add decorative finishes	Requires formwork, longest installation time, cracks need repair, utilitarian appearance without finishing	Tall walls over 6 feet, commercial-grade strength needs, modern or contemporary home stylesStrongest option, smooth modern appearance, can be formed to any shape, can add decorative finishes
Timber/Landscape Ties	$15-$25 per linear ft (3 ft height)	Cheapest option, easy DIY installation, natural look, quick to build	Shortest lifespan (10-15 years), rots even when treated, not recommended above 4 feet, can attract termites	Garden terracing, short-term solutions, rural properties, DIY projects under 3 feetCheapest option, easy DIY installation, natural look, quick to build
Boulder Wall	$35-$60 per linear ft (3 ft height)	Very natural appearance, extremely durable, minimal maintenance, no mortar needed	Requires heavy equipment to place, less precise than block, takes up more ground space, limited height	Wooded or natural settings, lakeside properties, slopes where a rustic look fits the landscapeVery natural appearance, extremely durable, minimal maintenance, no mortar needed

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Back to national average for Retaining Wall Construction

Phoenix Estimate

Typical Range

$2,850–$9,500

vs. National Average

5% below national

Cost Multiplier

0.95x

Cost Per linear ft

$19–$81

Estimates apply Phoenix's 0.95x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.

See national average costs →