Office Units

Portland, ME Office Units for Lease

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South Portland, ME Falmouth, ME Scarborough, ME Westbrook, ME Yarmouth, ME Freeport, ME Gorham, ME Saco, ME
26 properties
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Downtown Office Suite with Natural Light
Updated: Jun 2
Downtown Office Suite with Natural Light

5 Milk Street, Portland, ME 04101

$15.50 SF/Yr
4,473 sqft
4,473± SF modern office space in a historic brick and beam building
Exceptional natural light throughout
Street‑level private entrance
Layout includes a mix of private offices, open area, and storage space
Located in Old Port, with nearby access to highway
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Elevator-Served Office Units
Updated: Jun 2
Elevator-Served Office Units

24 Preble St, Portland, ME 04101

$15 SF/Yr
7,920 sqft
3,960–7,920± SF of office space available across two floors
Two full 3,960± SF floors with direct elevator access
Downtown Portland location at 24 Preble St
Directly across from the new MainePublic headquarters
Steps from Portland Public Market and a parking garage
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Updated Office Unit with Hardwood Floors
Updated Office Unit with Hardwood Floors

22 Monument Square, Portland, ME 04101

$950/Mo
524 sqft

Updated office space combines hardwood floors with high plaster ceilings.

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First-Floor Office Space
First-Floor Office Space

503-509 Forest Avenue, Portland, ME 04101

$12 SF/Yr
4,000 sqft

First-floor office space is available for lease in a commercial building.

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Downtown Portland Office Suite
Downtown Portland Office Suite

565 Congress Street, Portland, ME 04101

$9.75 SF/Yr
4,400 sqft

4,400± SF office suite in a central downtown location.

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Office Suite in Mixed-Use Building
Office Suite in Mixed-Use Building

75 Washington Avenue, Portland, ME 04101

$22 SF/Yr
10,308 sqft

Office accommodation is available within a 1920 mixed-use building on Portland’s Peninsula.

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Renovated Retail/Office Space Available
Renovated Retail/Office Space Available

503-509 Forest Avenue, Portland, ME 04101

$12 SF/Yr
6,313 sqft

Up to 6,313 square feet of contiguous space for lease.

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Renovated Office Suite in Portland
Renovated Office Suite in Portland

100 Middle St, Portland, ME 04101

$28 SF/Yr
4,886 sqft

Class A office space in downtown Portland with on-site parking.

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Downtown Portland Office Suites Available
Downtown Portland Office Suites Available

565 Congress Street, Portland, ME 04101

$825/Mo
1,545 sqft

Office suites for rent in downtown Portland's financial district.

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High-Visibility Retail/Office Suite
High-Visibility Retail/Office Suite

94 Auburn Street, Suite 101, Portland, ME 04103

$1,995/Mo

Suite 101 offers high-visibility retail and office space near Northgate Plaza with easy access to major highways.

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Historic Office Units with High Ceilings
Historic Office Units with High Ceilings

183 Middle Street, Portland, ME 04101

$25 SF/Yr

Spaces offer abundant daylight in a maintained building with a renovated third-floor lobby and updated restrooms.

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Multi-Suite Office Space
Multi-Suite Office Space

131 Chadwick Street, Portland, ME 04102

$300/Mo

Elevator service, an accessible ramp, and off-street parking support convenient access throughout the property.

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Historic Office Suite Rentals
Historic Office Suite Rentals

22 Free Street, Portland, ME 04101

$26 SF/Yr

Office suites are available in multiple sizes, ranging from approximately 724 to 3,181 SF, for lease in Portland’s Old Port.

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Historic Office Suites
Historic Office Suites

2 Cotton Street, Portland, ME 04101

$16 SF/Yr

Two office configurations are available within a building dating to 1866.

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Commercial Condos in Warren Ave
Commercial Condos in Warren Ave

352 Warren Avenue, Portland, ME 04103

$13 SF/Yr

Two commercial condos for rent in high-visibility location.

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Retail/Office Space on Marginal Way
Retail/Office Space on Marginal Way

191 Marginal Way, Portland, ME 04101

$38 SF/Yr

Retail/office space in a mixed-use building with high visibility.

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New Waterfront Retail/Office Building
New Waterfront Retail/Office Building

266 Commercial St, Portland, ME 04101

$20 SF/Yr

New construction retail and office space on Portland's waterfront.

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Downtown Office Suites
Downtown Office Suites

188 State St, Portland, ME 04102

Contact for pricing
98 sqft

Office suites include a shared waiting area, conference room, restrooms, and kitchenette, with ample windowed natural light.

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Class A Office/Retail Space
Class A Office/Retail Space

190 Middle St, Portland, ME 04101

$23.56 SF/Yr

10,502± SF Class A space centrally located in Portland, ME.

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Downtown Portland Office Suites
Downtown Portland Office Suites

188 State St, Portland, ME 04101

Contact for pricing
650 sqft 0.09 AC lot

Office suites for lease in downtown Portland with shared amenities.

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Downtown Portland Office Suites Available
Downtown Portland Office Suites Available

30 Danforth St, Portland, ME 04101

Contact for pricing
2,744 sqft 0.51 AC lot

Office suites for rent in Portland's Old Port.

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Downtown Retail/Office Space Available
Downtown Retail/Office Space Available

6 City Ctr, Portland, ME 04101

Contact for pricing
1,235 sqft 0.16 AC lot

Second-floor retail/office space in downtown financial district.

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Old Port Office Space Available
Old Port Office Space Available

57 Exchange St, Portland, ME 04101

Contact for pricing
3,007 sqft

Office spaces available in the heart of the Old Port.

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Financial District Office Space
Financial District Office Space

1 Monument Way, Portland, ME

Contact for pricing
259 sqft 0.13 AC lot

Office suites available in the Financial District.

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Portland, ME Office Units Lease Rates & Market Statistics

Browse 26 Office Units for lease in Portland, ME on Realmo, a commercial real estate marketplace serving the Portland area. The current inventory totals 60,431 square feet of properties — an average of ~2,300 SF per listing.

Asking lease rates for Office Units in Portland start at $6.41 SF/Yr, average $18 SF/Yr, and reach $38 SF/Yr at the top of the market. That's a 6x spread between entry-level and premium space, making side-by-side comparison of asking rents and lease terms essential. At $18 SF/Yr, the local average runs 6% above Maine's state average of $17.91 SF/Yr.

Portland accounts for 53% of the 49 office units currently available across Cumberland County, where nearby markets include South Portland and Scarborough. Office Units make up 63% of the 41 Office Spaces currently for lease in Portland, with asking rates in line with the citywide Office Spaces average. Also worth a look for tenants weighing alternatives: Office buildings (10 listings) and Other office properties (3 listings) elsewhere in the Portland market.

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