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Danbury, CT Office Spaces for Lease

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54 properties
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Second-Floor Office Space with Elevator
Updated: Oct 28, 2025
Second-Floor Office Space with Elevator

3 Dunham Drive, New Fairfield, CT 06812

$12 SF/Yr
11,300 sqft 2.73 AC lot
11,300 square feet of second‑floor commercial space
9‑foot drop ceilings and central air conditioning
Accessible elevator installed for second‑floor access
Multiple restrooms with showers, employee lounge, and fire suppression system
On‑site parking on a 2.73‑acre property
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Renovated Private Office Unit
Updated: Aug 21
Renovated Private Office Unit

39 Mill Plain Rd Unit 7, Danbury, CT 06811

$750/Mo
300 sqft
Approximately 300 square feet total
About 225 square feet of private office space
Recently updated lighting, flooring, windows, HVAC, and half bath
Kitchenette included within the unit
Parking directly in front of the unit
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Medical Office Suite
Medical Office Suite

6 Germantown Rd Unit 8, Danbury, CT 06810

$900/Mo
648 sqft

Available medical office space near a hospital and other medical facilities, with furnished delivery available.

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Medical Office Suite
Medical Office Suite

6 Germantown Rd Unit 7, Danbury, CT 06810

$900/Mo
648 sqft

Flexible suites near hospital and medical facilities, with larger configurations possible through combination.

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Victorian Office Suite
Victorian Office Suite

152 Deer Hill Ave Unit 300, Danbury, CT 06810

$335/Mo
10,000 sqft

A single-room office is available immediately, with utilities included in the rent.

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Office Unit with Elevator
Office Unit with Elevator

57 North St Unit 313, Danbury, CT 06810

$800/Mo
1,027 sqft

Office unit with a reception area, on-site parking, elevator access, and stairs in a Danbury commercial building.

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Office Suite with Conference Room
Office Suite with Conference Room

106-57 North St, Danbury, CT 06811

$1,000/Mo
500 sqft

Bright lower corner office suite with vinyl flooring, multiple offices, and a dedicated conference room.

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Professional Office Suite For Rent
Professional Office Suite For Rent

57 North St, Danbury, CT 06810

$850/Mo
682 sqft

Office suite with private offices and easy highway access.

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Office Unit with Immediate Availability
Office Unit with Immediate Availability

57 North St, Danbury, CT 06810

$450/Mo
190 sqft

Corner office unit with abundant natural light and utilities included.

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Restored Victorian Office Space Available
Restored Victorian Office Space Available

152 Deer Hill Ave Unit 304, Danbury, CT 06810

$390/Mo
10,000 sqft

One-room office in restored Victorian building, utilities included.

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Four-Room Office Space Available
Four-Room Office Space Available

70 North St Unit 204, Danbury, CT 06810

$865/Mo
5,527 sqft

Second-floor office suite with utilities included in rent.

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4-Room Main-Level Office Unit
4-Room Main-Level Office Unit

46 North St, Danbury, CT 06810

$2,100/Mo

Freestanding office space with dual entry, basement storage, a covered porch, and CG20 zoning.

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Office Space with Reserved Parking
Office Space with Reserved Parking

42 Federal Road, Danbury, CT 06810

$1,200/Mo

Occupancy includes electric service, heat, and internet in the monthly rent.

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Office Space with On-Grade Parking
Office Space with On-Grade Parking

432 Main St, Danbury, CT 06810

Contact for pricing
2,873 sqft

The upper-level suite is cleared for tenant-specific buildout, with tenant improvements available under lease terms.

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Two-Floor Professional Office Units
Two-Floor Professional Office Units

221 Main St, Danbury, CT 06810

$20 SF/Yr

Lease opportunity within a 1920 mixed-use building along Danbury’s Main Street corridor near civic, financial, retail, and transit amenities.

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Main Floor Office Space Available
Main Floor Office Space Available

57 North Street #STE 102, Danbury, CT 06810

$750/Mo
679 sqft

Office space with conference room and private office for rent.

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Fully Furnished Office Space
Fully Furnished Office Space

100 Reserve Rd, Danbury, CT 06810

Contact for pricing
8,492 sqft

Fully furnished office space with a high-end buildout and an August 30, 2029 sublease expiration.

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Professional Office Suites For Rent
Professional Office Suites For Rent

57 North Street #223C, Danbury, CT 06810

$450/Mo per office
150 sqft

Individual office suites with shared common area and utilities included.

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Former Bank Branch with Drive-Through
Former Bank Branch with Drive-Through

108 Mill Plain Road, Danbury, CT 06811

Contact for pricing
5,481 sqft

Former bank branch office space with double drive-through, ample parking, and immediate access to I-84 and Route 684.

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Medical Office Space with Apartment
Medical Office Space with Apartment

44 Mill Plain Road, Danbury, CT 06811

$8,500/Mo

The property includes kennel areas, a patient waiting room, and a separate two-bedroom apartment.

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Office Space with Conference Room
Office Space with Conference Room

101 Mill Plain Rd, Danbury, CT 06811

$1,600/Mo

Three private offices and a large bullpen support a practical multi-room workspace.

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Furnished Office Sublease Space
Furnished Office Sublease Space

100 Reserve Rd, Danbury, CT 06810

Contact for pricing
22,208 sqft

High-end furnished office space available on a sublease expiring August 30, 2029.

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Office/Medical Space Near Hospital
Office/Medical Space Near Hospital

6 Germantown Road #5, Danbury, CT 06810

$950/Mo
648 sqft

Office/medical space available near hospital and medical facilities.

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Four-Room Office Suite Available
Four-Room Office Suite Available

70 North St 204, Danbury, CT 06810

$865/Mo
0.32 AC lot

Second-floor office suite with utilities included in rent.

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Danbury, CT Office Spaces Lease Rates & Market Statistics

Browse 54 Office Spaces for lease in Danbury, CT on Realmo, a commercial real estate marketplace serving the Danbury area. The current inventory totals 317,209 square feet of properties — an average of ~5,850 SF per listing.

Asking lease rates for Office Spaces in Danbury start at $1.88 SF/Yr, average $31.67 SF/Yr, and reach $250 SF/Yr at the top of the market. At $31.67 SF/Yr, the local average runs 50% above Connecticut's state average of $21.11 SF/Yr.

Danbury accounts for 11% of the 513 office spaces currently available across Fairfield County, where nearby markets include Stamford and Norwalk. By space type, the market includes 36 office units, 10 office buildings and 9 medical office space listings — medical office space options typically offer the lowest entry point, while office units command the highest rates.

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