Accessory Dwelling Unit (ADU) Construction in Plano, TX — Costs $54,290 to $316,692
What does accessory dwelling unit (adu) construction cost in Plano? Average $135,725, ranging $54,290–$316,692. Labor runs $26.99/hr locally — 10% below the national average. Free breakdown with material + labor split.
Plano, TX Market
-10% vs nationalLabor Rate
$26.99/hr
Material Index
91
Avg Permit Cost
$646
Median Home Price
$254,215
Plano is a mid-sized city in Texas 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. Plano offers slightly below-average renovation costs, giving homeowners a small cost advantage compared to most US markets. The median home in Plano is valued at $254,215, putting this project at about 53.4% of home value — a moderate investment with a projected 80% ROI.
Low Estimate
$54,290
National: $60,000
Mid-Range
$135,725
National: $150,000
High End
$316,692
National: $350,000
Per Sq Ft
$226
National: $250
Accessory Dwelling Unit (ADU) Construction Cost Calculator for Plano
Adjusted for Plano's labor rate ($26.99/hr) and material costs (index 91).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Plano
$135,725
Based on 200 sq ft at mid quality, adjusted for Plano market rates.
Local Cost Breakdown
At Plano's average rate of $26.99/hr (10% below national avg)
Material cost index 91 (9% below national baseline of 100)
Accessory Dwelling Unit (ADU) Construction vs. Home Value in Plano
| Metric | Plano | National Avg |
|---|---|---|
| Accessory Dwelling Unit (ADU) Construction (Mid-Range) | $135,725 | $150,000 |
| Median Home Price | $254,215 | $350,000 |
| Project as % of Home Value | 53.4% | 42.9% |
| Estimated ROI | 80% | 80% |
| Median Household Income | $47,543 | $75,000 |
What Affects the Price in Plano
- 1Local labor rates ($26.99/hr in Plano)
- 2Material cost index (91 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
Other Projects in Plano, TX
Second Story Addition
$180,967
Room Addition
$81,435
Swimming Pool Installation
$58,881
Garage Addition
$49,766
Home Addition
$72,428
Inground Swimming Pool
$58,915
Attic Conversion
$49,737
Swimming Pool Construction
$45,216
Accessory Dwelling Unit (ADU) Construction in Other Texas Cities
Planning a Accessory Dwelling Unit (ADU) Construction in Plano
Building permits are typically required for a accessory dwelling unit (adu) construction in Plano. The average permit fee in this area is $646, 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 Plano, skilled contractors charge an average of $26.99/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
In Plano, where the median household income is $47,543, a $135,725 project requires careful budgeting. Look into home improvement loans, HELOC options, or local grants that may be available in Texas.
Accessory Dwelling Unit (ADU) Construction — National Guide
See the full national cost guide with DIY tips, cost factors, and ROI analysis.
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