Accessory Dwelling Unit (ADU) Construction in Metairie, LA — Costs $67,190 to $391,942

What does accessory dwelling unit (adu) construction cost in Metairie? Average $167,975, ranging $67,190–$391,942. Labor runs $40.49/hr locally — 12% above the national average. Free breakdown with material + labor split.

Metairie, LA Market

+12% vs national

Labor Rate

$40.49/hr

Material Index

89

Avg Permit Cost

$1,639

Median Home Price

$215,000

Metairie is a mid-sized city in Louisiana with a healthy pool of local contractors. Homeowners generally have several options to compare for a accessory dwelling unit (adu) construction, which helps keep pricing competitive. Costs in Metairie run slightly above the national average, though the gap is modest enough that smart material choices and timing can close it. At a median home price of $215,000, homeowners in Metairie should weigh the project cost (78.1% of home value) carefully against expected returns to avoid over-improving for the local market.

Low Estimate

$67,190

National: $60,000

Mid-Range

$167,975

National: $150,000

High End

$391,942

National: $350,000

Per Sq Ft

$280

National: $250

Duration: 6-18 months
DIY: Hard
Permits: Required
ROI: 80%

Accessory Dwelling Unit (ADU) Construction Cost Calculator for Metairie

Adjusted for Metairie's labor rate ($40.49/hr) and material costs (index 89).

50 sq ft1,000 sq ft

Mid-grade materials, good quality fixtures, standard options.

Estimated Total in Metairie

$167,975

Based on 200 sq ft at mid quality, adjusted for Metairie market rates.

Local Cost Breakdown

Labor (50%)$83,988

At Metairie's average rate of $40.49/hr (35% above national avg)

Materials (50%)$83,988

Material cost index 89 (11% below national baseline of 100)

Accessory Dwelling Unit (ADU) Construction vs. Home Value in Metairie

MetricMetairieNational Avg
Accessory Dwelling Unit (ADU) Construction (Mid-Range)$167,975$150,000
Median Home Price$215,000$350,000
Project as % of Home Value78.1%42.9%
Estimated ROI80%80%
Median Household Income$48,700$75,000

What Affects the Price in Metairie

  • 1Local labor rates ($40.49/hr in Metairie)
  • 2Material cost index (89 vs national 100)
  • 3Attached vs detached
  • 4Size and bedroom count
  • 5Kitchen and bath quality
  • 6Local ADU regulations

Popular Upgrades

  • Full kitchen
  • Separate entrance
  • Solar panels for energy independence

Planning a Accessory Dwelling Unit (ADU) Construction in Metairie

Building permits are typically required for a accessory dwelling unit (adu) construction in Metairie. The average permit fee in this area is $1,639, though costs vary based on project scope. Permit fees in this market are above average — factor them into your total budget. Plan for 6-18 months from start to finish.

A accessory dwelling unit (adu) construction is a complex project best left to licensed professionals. In Metairie, skilled contractors charge an average of $40.49/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

In Metairie, where the median household income is $48,700, a $167,975 project requires careful budgeting. Look into home improvement loans, HELOC options, or local grants that may be available in Louisiana.

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