Office Space for Lease in Killingworth, CT
Killingworth is a rural Middlesex County town on Route 80 and Route 81, north of Clinton.
Conn-Comp market snapshot
Office sales in Middlesex County, last 12 months
25
sales recorded
$132
median price per SF
$106 - $175
middle half, per SF
6.95%
average mortgage rate
Killingworth has too few office sales in Conn-Comp to report separately, so these are the numbers for Middlesex County. Median sale price $634,000. 46% of sales were financed, average loan 71% of price. Median price per SF up 4% from the prior 12 months. October 2025 through September 2026. Source: Conn-Comp Sales Data, verified Connecticut sales and recorded mortgages.
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About Killingworth
Killingworth is mostly residential and wooded, with limited commercial property near the center where Route 80 and Route 81 meet. I-95 is a few miles south in Clinton.
| Population | 6,240 |
|---|---|
| Jobs located here | 1,412 |
| Active businesses | 592 |
| Largest job sectors | Government, professional and technical services, construction |
| Largest employers | Regional School District 17, Interstate Battery, True Value, The Kinningworth Kid's Center, LaForesta |
| Commercial and industrial share of grand list | 3% |
| Median household income | $140,655 |
| People within a 45-minute drive | 1,134,432 |
| Land area | 35 square miles |
| Highways | Route 80, Route 81, Route 148 |
| County | Middlesex County |
Sources: AdvanceCT and CTData Collaborative, 2026 Town Profile
Questions and answers
How many office space listings are for lease in Killingworth, CT?
As of October 26, 2026, Conn-Comp Listings has 2 current office space listings for lease in Killingworth, CT. Listings are added by Connecticut brokers and updated daily.
What are asking rents for office space in Killingworth, CT?
Asking rents from $9.75 / SF to $20.99 / SF. Based on current listings that show a rent.
Where can I find verified lease rents in Middlesex County?
Conn-Comp Sales Data has verified Connecticut sales and leases. Subscribers sign in with Sales Data Login.