Portland, CT Commercial real estate for Rent & Lease

$129-$6,756/Mo

(972) 764-8885

CT, New Britain - Liberty Square

Discover many ways to work your way in CT, New Britain - Liberty Square

1 Liberty Sq, Unit 301, New Britain, CT 06052

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$129-$5,066/Mo

(972) 764-8885

Rocky Hill

Discover many ways to work your way in Rocky Hill

175 Capital Blvd, Unit 4TH, Rocky Hill, CT 06067

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$4,000/Mo

4,804 SF

Route 66 Commercial Property

143 Marlborough St, Portland, CT 6480

Two-building commercial property on Route 66 with flexible uses.

High‑traffic location on Route 66 with 20,700 vehicles passing daily.
Owner financing available for purchase.
B2 zoning allows for a wide range of retail, office, and service uses.
Two independent street‑level storefronts with separate access and lower‑level space.
Detached 2,304 sq ft rear structure with drive‑in overhead door for warehouse/flex use.

Updated: May 19

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$4,500/Mo

5,000 SF

Prime Retail/Office Space Available

143 Marlborough Street, Portland, CT 6480

5000 sqft retail/office space in high-traffic area.

Prime location on Rte. 66 with high traffic count near Rte. 17 and the Portland Bridge.
Divisible 5,000 sqft building offering flexible configurations (two 2,500 sqft spaces).
Ample off‑street parking for customers and staff.
Suitable for retail, office, flex space, or storage.
Detached garage potentially divisible into two rental units.

Updated: Jul 8, 2025

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72,002 SF

Retail Space in New Development

Retail space available in mixed-use development in Portland, Connecticut.

Marlborough Street, Portland, CT 6480

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$48 SF/Yr

500 SF

Retail Space in Portland, CT

Retail space available for lease in Portland, Connecticut.

850 Portland-Cobalt Rd, Portland, CT

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4,602 SF

New Mixed-Use Development Space

Retail, restaurant, and office spaces available in Portland, Connecticut.

185 Main St, Portland, CT

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9,982 SF

Retail and Restaurant Space Available

Retail and restaurant spaces for lease in mixed-use development.

25 Marlborough St, Portland, CT

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5,244 SF

New Mixed-Use Development Space

Commercial spaces available in Portland, Connecticut's new town center.

2 Perry Ave, Portland, CT

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10,242 SF

Mixed-Use Development Retail Space

Retail, medical, and office spaces available in new town center.

69 Marlborough St, Portland, CT

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Based on your search, we've compiled 20 Potential Opportunities for your consideration. Besides 10 Active listings in Portland, CT, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 6 Properties for Sales.

Commercial real estate for Lease in Nearby Cities

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

$3,400/Mo

2,000 SF

Downtown Retail Space

2,000-square-foot retail space available for lease in Cromwell’s downtown business zoning district.

309 Main St, Cromwell, CT 06416

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$1,600/Mo

850 SF

Downtown Retail Space

Retail suite available in downtown Cromwell, suitable for small retailers seeking street-level storefront presence.

309 Main Street, Cromwell, CT 06416

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$1,300/Mo

925 SF

Middletown Office Space For Rent

Office unit available for lease in Middletown, Connecticut.

670 Newfield Street #D, Middletown, CT 6457

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$550/Mo

1,317 SF

Office Suites Available For Rent

Office suites for rent, utilities not included.

769 Newfield St, Middletown, CT

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Similar Spaces for Sale in Portland, CT

Consider Similar Space for Sale. We found 6 Spaces matching your search parameters.

Versatile Commercial Property in Portland

$750,000

3,024 SF

Versatile Commercial Property in Portland

9.5-acre commercial property with two buildings and high visibility.

455 Portland Cobalt Road, Portland, CT 6480

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2,500 SF

Route 66 Commercial Property

Two-building commercial property on Route 66 with flexible uses.

143 Marlborough Street, Portland, CT 6480

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$710,000

8,300 SF

Operational Marina on Connecticut River

Marina with frontage on Connecticut River, showroom, mechanic shop.

674 Main Street, Portland, CT 6480

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$130,000

0.14 Acres

Turn-Key Bar Eatery For Sale

Established bar and eatery with fully equipped kitchen and bar.

164 Main Street, Portland, CT 6480

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$742,500

7.94 Acres

Land Off Route 66

Land with industrial zoning and high traffic count location.

800 Portland-Cobalt Rd, Portland, CT

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$742,500

7.94 Acres

Industrial Land Lots For Sale

Two industrial land lots totaling 7.94 acres available.

William St, Portland, CT 6480

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Portland, CT Commercial real estate Leasing Opportunities Market Analysis

Explore Commercial real estate leasing options in Portland, CT with 10 listings featured on our commercial real estate exchange. The current inventory includes 10,304 square feet of properties with an estimated lease value of $68 SF/Yr.

Estimated lease rates for Commercial real estate in Portland, CT begin at $9 SF/Yr, with an average of $22 SF/Yr and extend to $48 SF/Yr.