Killingworth, CT Office Units for Rent & Lease

Updated: Sep 7

Office Unit with Full Kitchen

8 Route 80 Unit 1, Killingworth, CT 06419

$1,150/Mo

1,800 sqft

1,800 sq. ft. office unit measuring 30' wide x 60' deep
4 enclosed offices and 3 open offices
Conference area and full kitchen
Handicap‑accessible men's and ladies' bathrooms
Located at 8 Route 80 Unit 1, Killingworth, CT 06419

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Updated: Aug 6, 2025

Killingworth Professional Office Space Available

255 Route 80 #208, Killingworth, CT 06419

$1,125/Mo

750 sqft

Premiere Professional Office Center location at the intersection of Route 80 and 81.
Rent includes all utilities and CAM charges.
Abundant natural light due to southeast‑facing orientation.
Convenient access to I‑95 (Exit 63) and Clinton Crossings Outlet Center.
Elevator access and common bathrooms.

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Professional Office Space Available

255 Route 80 #207, Killingworth, CT 06419

$900/Mo

540 sqft

Office space for rent with utilities included near I-95.

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Office Suites at Route Intersection

255 Route 80, Killingworth, CT 06419

$354/Mo

Small office spaces include utilities, with elevator service and accessible entry in a mixed-use building.

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Killingworth Office/Retail Space For Rent

176 Route 81, Killingworth, CT 06419

$975/Mo

14,107 sqft 3.20 AC lot

Office and retail spaces available in Killingworth's 'The Courtyard'!

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Office Suite with Kitchen

8 Rte 80, Killingworth, CT 06419

Contact for pricing

1,800 sqft

Well-designed 1,800 SF office suite with multiple enclosed offices, conference space, and a full kitchen.

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Flex Space with Warehouse Doors

F-8 Route 80, Killingworth, CT 06419

$10 SF/Yr

Industrial flex space pairs first-floor offices with warehouse functionality and expansion potential.

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Functional Office Space For Lease

Deep River, CT 06419

$1,150/Mo

1.92 AC lot

1,800 sq ft office space with a well-designed layout.

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Based on your search, we've compiled 13 Potential Opportunities for your consideration. Besides 8 Active listings in Killingworth, CT, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 1 Properties for Sales.

Office Units for Lease in Nearby Cities

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

Three-Level Flex Space with Loading Dock

27- B West Main St, Clinton, CT 06413

$3,500/Mo

6,115 sqft

Warehouse, retail, office, and basement areas provide a versatile commercial configuration.

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Warehouse/Retail Space with Office

27 W Main St, Clinton, CT 06413

$3,500/Mo

6,115 sqft 0.37 AC lot

6,115 SF warehouse/retail space with office and basement.

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Single-Level Office Units

3 Inspiration Lane, Chester, CT 06412

$5,500/Mo

4,000 sqft 8.37 AC lot

Updated professional office space with private rooms, shared meeting areas, central air, and extensive on-site parking.

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Office Units with Private Offices

1-3 Inspiration Ln, Chester, CT 06412

$5,500/Mo

4,000 sqft

Single-level professional workspace includes private offices, meeting space, storage, a kitchenette, and three bathrooms.

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Similar Spaces for Sale in Killingworth, CT

Consider Similar Space for Sale. We found 1 Spaces matching your search parameters.

Mixed-Use Property with Office Suites

255 Rte 80, Killingworth, CT 06419

Contact for pricing

202 sqft

Office suites include utilities, with elevator service and accessible features in the building.

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Killingworth, CT Office Units Lease Rates & Market Statistics

Explore 8 Office Units for lease in Killingworth, CT on Realmo, a commercial real estate exchange covering the Killingworth area. The current inventory totals 18,997 square feet of properties.

Asking lease rates for Office Units in Killingworth start at $7.67 SF/Yr, average $13.92 SF/Yr, and reach $20 SF/Yr at the top of the market. That's a 3x spread between entry-level and premium space, making side-by-side comparison of asking rents and lease terms essential. The local average of $13.92 SF/Yr is 33% below the Connecticut state average of $20.82 SF/Yr.

Killingworth accounts for 6% of the 126 office units currently available across Middlesex County, where nearby markets include Middletown and Old Saybrook. Office Units make up 100% of the 8 Office Spaces currently for lease in Killingworth, with asking rates in line with the citywide Office Spaces average.