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4th & Idaho Office 320 W Idaho St 2,500 - 38,554 SF of 4-Star Space Available in Boise, ID 83702
All Available Spaces(5)
Display Rental Rate as
- Space
- Size
- Term
- Rental Rate
- Space Use
- Build-Out
- Available
Build to suite retail space availible Spring of 2026 for lease. Within the heart of Boise near the football stadium and great retail locations.
- Lease rate does not include utilities, property expenses or building services
- Space is in Excellent Condition
- Space is an outparcel at this property
- Build to Suit
Build to suite retail space availible Spring of 2026 for lease. Within the heart of Boise near the football stadium and great retail locations.
- Lease rate does not include utilities, property expenses or building services
- Build to Suit
- Can be combined with additional space(s) for up to 24,683 SF of adjacent space
Build to suite retail space availible Spring of 2026 for lease. Within the heart of Boise near the football stadium and great retail locations.
- Lease rate does not include utilities, property expenses or building services
- Build to Suit
- Can be combined with additional space(s) for up to 24,683 SF of adjacent space
Build to suite office space availible Spring of 2026. Within the heart of Boise near the football stadium and great retail locations.
- Lease rate does not include utilities, property expenses or building services
- Fits 10 - 29 People
- Build to Suit
- Mostly Open Floor Plan Layout
- Space is in Excellent Condition
- Lease rate does not include utilities, property expenses or building services
- Fits 12 - 37 People
| Space | Size | Term | Rental Rate | Space Use | Build-Out | Available |
| 1st Floor, Ste 140 | 5,720 SF | Negotiable | $26.00 /SF/YR $2.17 /SF/MO $148,720 /YR $12,393 /MO | Retail | Spec Suite | Now |
| 7th Floor | 2,500-20,000 SF | Negotiable | $26.00 /SF/YR $2.17 /SF/MO $520,000 /YR $43,333 /MO | Medical | - | Now |
| 8th Floor, Ste 8010 | 4,683 SF | Negotiable | $26.00 /SF/YR $2.17 /SF/MO $121,758 /YR $10,147 /MO | Medical | - | Now |
| 9th Floor, Ste 9010 | 3,621 SF | Negotiable | $26.00 /SF/YR $2.17 /SF/MO $94,146 /YR $7,846 /MO | Office | Spec Suite | Now |
| 10th Floor, Ste 1010 | 4,530 SF | Negotiable | $26.00 /SF/YR $2.17 /SF/MO $117,780 /YR $9,815 /MO | Office | - | October 01, 2026 |
1st Floor, Ste 140
| Size |
| 5,720 SF |
| Term |
| Negotiable |
| Rental Rate |
| $26.00 /SF/YR $2.17 /SF/MO $148,720 /YR $12,393 /MO |
| Space Use |
| Retail |
| Build-Out |
| Spec Suite |
| Available |
| Now |
7th Floor
| Size |
| 2,500-20,000 SF |
| Term |
| Negotiable |
| Rental Rate |
| $26.00 /SF/YR $2.17 /SF/MO $520,000 /YR $43,333 /MO |
| Space Use |
| Medical |
| Build-Out |
| - |
| Available |
| Now |
8th Floor, Ste 8010
| Size |
| 4,683 SF |
| Term |
| Negotiable |
| Rental Rate |
| $26.00 /SF/YR $2.17 /SF/MO $121,758 /YR $10,147 /MO |
| Space Use |
| Medical |
| Build-Out |
| - |
| Available |
| Now |
9th Floor, Ste 9010
| Size |
| 3,621 SF |
| Term |
| Negotiable |
| Rental Rate |
| $26.00 /SF/YR $2.17 /SF/MO $94,146 /YR $7,846 /MO |
| Space Use |
| Office |
| Build-Out |
| Spec Suite |
| Available |
| Now |
10th Floor, Ste 1010
| Size |
| 4,530 SF |
| Term |
| Negotiable |
| Rental Rate |
| $26.00 /SF/YR $2.17 /SF/MO $117,780 /YR $9,815 /MO |
| Space Use |
| Office |
| Build-Out |
| - |
| Available |
| October 01, 2026 |
1st Floor, Ste 140
| Size | 5,720 SF |
| Term | Negotiable |
| Rental Rate | $26.00 /SF/YR |
| Space Use | Retail |
| Build-Out | Spec Suite |
| Available | Now |
Build to suite retail space availible Spring of 2026 for lease. Within the heart of Boise near the football stadium and great retail locations.
- Lease rate does not include utilities, property expenses or building services
- Space is an outparcel at this property
- Space is in Excellent Condition
- Build to Suit
7th Floor
| Size | 2,500-20,000 SF |
| Term | Negotiable |
| Rental Rate | $26.00 /SF/YR |
| Space Use | Medical |
| Build-Out | - |
| Available | Now |
Build to suite retail space availible Spring of 2026 for lease. Within the heart of Boise near the football stadium and great retail locations.
- Lease rate does not include utilities, property expenses or building services
- Can be combined with additional space(s) for up to 24,683 SF of adjacent space
- Build to Suit
8th Floor, Ste 8010
| Size | 4,683 SF |
| Term | Negotiable |
| Rental Rate | $26.00 /SF/YR |
| Space Use | Medical |
| Build-Out | - |
| Available | Now |
Build to suite retail space availible Spring of 2026 for lease. Within the heart of Boise near the football stadium and great retail locations.
- Lease rate does not include utilities, property expenses or building services
- Can be combined with additional space(s) for up to 24,683 SF of adjacent space
- Build to Suit
9th Floor, Ste 9010
| Size | 3,621 SF |
| Term | Negotiable |
| Rental Rate | $26.00 /SF/YR |
| Space Use | Office |
| Build-Out | Spec Suite |
| Available | Now |
Build to suite office space availible Spring of 2026. Within the heart of Boise near the football stadium and great retail locations.
- Lease rate does not include utilities, property expenses or building services
- Mostly Open Floor Plan Layout
- Fits 10 - 29 People
- Space is in Excellent Condition
- Build to Suit
10th Floor, Ste 1010
| Size | 4,530 SF |
| Term | Negotiable |
| Rental Rate | $26.00 /SF/YR |
| Space Use | Office |
| Build-Out | - |
| Available | October 01, 2026 |
- Lease rate does not include utilities, property expenses or building services
- Fits 12 - 37 People
Property Overview
4th & Idaho is a landmark mixed-use development transforming the eastern skyline of Downtown Boise.? This dual-tower project serves as the new central headquarters for ICCU, the state’s largest credit union, while providing high-density luxury residential units and premium ground-floor retail.? Situated on the “quiet side” of downtown, it bridges the gap between the urban core and the St.? Luke’s Medical District.?
Property Facts
