What to know about retaining wall in Boise
Freeze-thaw winters in Boise reward durable materials and careful sealing to keep moisture out.
What affects retaining wall cost in Boise
Beyond the local market, the same factors that drive retaining wall cost everywhere apply in Boise:
- Wall size (height and length, measured as face area).
- Material: timber is cheapest, natural stone the most expensive.
- Height: tall walls need engineering, reinforcement, and drainage.
- Drainage, backfill, and base preparation.
Retaining Wall cost by wall material in Boise
These figures are adjusted for Boise pricing (about 1.02x the national average), so they reflect what local homeowners actually pay.
| Wall material | Cost in Boise | Typical total |
|---|---|---|
| Timber | $12.24 to $36.72 /sq ft | About $1,200 to $3,650 |
| Interlocking concrete block | $20.40 to $61.20 /sq ft | About $2,050 to $6,100 |
| Boulder / rock | $22.44 to $67.32 /sq ft | About $2,250 to $6,750 |
| Poured concrete | $24.48 to $73.44 /sq ft | About $2,450 to $7,350 |
| Brick | $26.52 to $79.56 /sq ft | About $2,650 to $7,950 |
| Natural stone | $32.64 to $97.92 /sq ft | About $3,250 to $9,800 |