Portland, CT Office Spaces 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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$4,500/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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4,602 SF

New Mixed-Use Development Space

185 Main St, Portland, CT

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

New town center development under construction
Mixed‑use development featuring residential apartments, retail, medical, and office spaces
±8,000 SF rooftop bar/restaurant space available
Join Starbucks
1,470‑20,000 SF available in various buildings

Updated: Sep 30, 2024

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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 16 Potential Opportunities for your consideration. Besides 6 Active listings in Portland, CT, 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.

$1,450/Mo

855 SF

Updated Office Space Available Now

Versatile 855 SF office space for immediate occupancy.

670 Newfield Street, Middletown, CT 06457

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$2,100/Mo

1,200 SF

Unique Commercial Space in Cromwell

Retail/office space in a unique location, must see!

309 Main Street, Cromwell, CT 06416

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$2,800/Mo

Main Street Mixed-Use Property

Mixed-use property with retail and office space available for rent.

542 Main Street, Cromwell, CT 6416

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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 2 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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Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

$24 SF/Yr

3,241 SF

Prime Downtown New Haven Location

Build-to-suit commercial spaces in a high-traffic downtown area.

80 Temple St, New Haven, CT 6510

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$2,500/Mo

Commercial Land on Montauk Highway

0.55-acre commercial lot on busy Montauk Highway.

1467 Montauk Highway, Mastic, NY 11967

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$10,000/Mo

Prime Retail Corridor Land Lease

20,245 sq ft land for lease in Shirley, NY.

550 William Floyd Pkwy, Shirley, NY 11967

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$1,000/Mo

Commercial Land in High-Traffic Area

0.18 acre vacant lot with high visibility and traffic.

586 Montauk Highway, Shirley, NY 11967

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Portland, CT Office Spaces Leasing Opportunities Market Analysis

Explore Office Spaces leasing options in Portland, CT with 6 listings featured on our commercial real estate exchange. The current inventory includes 5,000 square feet of properties with an estimated lease value of $10 SF/Yr.

Estimated lease rates for Office Spaces in Portland, CT begin at $10 SF/Yr, with an average of $10 SF/Yr and extend to $10 SF/Yr.