New Castle, CO Office Spaces for Rent & Lease

Updated: Feb 16

Warehouse with Loading Docks

6100 County Road 335, New Castle, CO 81647

$20,600/Mo

20,600 sqft

20,600‑square‑foot warehouse built in 1998
Two 14‑foot overhead doors, one 12‑foot overhead door, and a sunken loading dock
Warehouse layout can be divided
Two‑level front office plus an in‑warehouse conference room
14‑foot by 64‑foot cooler

View details

Updated: Jun 3, 2025

Renovated Downtown Office Suites

151 W Main Street, New Castle, CO 81647

Contact for pricing

Affordable office space in downtown New Castle
Recently renovated in 2020
Immediate occupancy available
Two unit sizes available: 390 sqft and 450 sqft
Top floor location**

View details

Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center

Based on your search, we've compiled 8 Potential Opportunities for your consideration. Besides 2 Active listings in New Castle, CO, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 2 Properties for Sales.

Office Spaces for Lease in Nearby Cities

Here are 4 Similar Spaces we found in Nearby Locations for your consideration.

Office Unit with Private Offices

2700 Gilstrap Court, Unit 300, Glenwood Springs, CO 81601

$27 SF/Yr

37,528 sqft

Configured with reception, kitchen, bullpen, and multiple enclosed offices for a flexible workplace layout.

View details

River-Facing Office Unit

2700 Gilstrap Court, Unit 350, Glenwood Springs, CO 81601

$27 SF/Yr

37,000 sqft

Three river-facing offices and a kitchen provide a practical setting for professional office use.

View details

Flex Space with Overhead Doors

2005 County Road 319, Rifle, CO 81650

$8,122/Mo

9,300 sqft

Functional office and warehouse space with a showroom, private rooms, kitchen, fenced yard, and NNN lease structure.

View details

Flex Space with Clear-Span Warehouse

2001 County Road 319, Rifle, CO 81650

$7,750/Mo

9,300 sqft

Office area includes a showroom, private rooms, and a full kitchen.

View details

Similar Spaces for Sale in New Castle, CO

Consider Similar Space for Sale. We found 2 Spaces matching your search parameters.

Short-Term Rental Property with Retail Space

502 W Main Street, New Castle, CO 81647

$1,450,000

Remodeled mixed-use property with furnished residential rentals and an occupied commercial unit.

View details

Retail Building with Overhead Door

298 W Main St, New Castle, CO 81647

Contact for pricing

4,278 sqft

One-level retail building with large display windows and an 11'6" x 11'6" overhead door.

View details

New Castle, CO Office Spaces Lease Rates & Market Statistics

Browse 2 Office Spaces for lease in New Castle, CO on Realmo, a commercial real estate marketplace serving the New Castle area. The current inventory totals 20,600 square feet of properties.

Office Spaces lease rates in New Castle range from $12 SF/Yr at the entry level to $12 SF/Yr at the top of the market, averaging $12 SF/Yr. Pricing across the market is relatively uniform, which simplifies like-for-like comparison between listings. At $12 SF/Yr, the local average runs 41% below Colorado's state average of $20.19 SF/Yr.

New Castle accounts for 9% of the 22 office spaces currently available across Garfield County, where nearby markets include Glenwood Springs and Carbondale.