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Portland, ME Office Properties & Spaces for Sale

20 results
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Downtown Portland Freestanding Office Building
$1,290,000
5,102 SF

Downtown Portland Freestanding Office Building

7 Forest Ave, Portland, ME 04101

5,000 SF downtown Portland building, ideal for owner or investment.

  • Prime downtown Portland location offers convenience, prestige, and access to amenities and transportation.
  • Freestanding 5,000 SF building (plus 2,000 SF basement) provides visibility and a unique identity.
  • Versatile and easily divisible space is ideal for owner‑users or investment with multiple tenants.
  • Zoning allows for residential use, with seller providing renovation plans.
  • Brick/Masonry construction with a mix of flooring types (Carpet, Composition, Laminate, Wood, Vinyl, Tile).
Last Update: Sep 23
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Two-Story Office Building For Sale
$1,150,000
3,360 SF

Two-Story Office Building For Sale

835 Forest Ave, Portland, ME 04103

Two-story office building with parking and high visibility location.

  • High‑visibility location on busy Forest Ave directly across from Baxter Park.
  • Large parking lot with space for 21+ vehicles.
  • Spacious 3,360 sf building with 5 offices, 2 full baths, and 2 half baths.
  • Direct entrance from Forest Ave with 24‑hour parking on both sides of the street.
  • Brick facade on the front and sides of the building.
Last Update: Nov 27
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Portland Office/Investment Opportunity
$695,000
3,048 SF

Portland Office/Investment Opportunity

Two-story building in Rosemont, suitable for workspace or investment.
1385 Congress St, Portland, ME 04102
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Portland Office Building - Ocean Ave
$675,000
2,786 SF

Portland Office Building - Ocean Ave

Prime Portland office space, 2,786 sq ft.
527 Ocean Ave, Portland, ME 04103
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Portland Office Building - High Return Potential
$959,000
3,840 SF

Portland Office Building - High Return Potential

Prime Portland location, high-traffic, multi-unit income.
900 Riverside St, Portland, ME 04103
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Downtown Portland Executive Office Building
Contact for pricing
140,684 SF

Downtown Portland Executive Office Building

Class A Office Space, 34,569 RSF Available
511 Congress St, Portland, ME 04101
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Falmouth Office Building - 143,000 SF
Contact for pricing
143,000 SF

Falmouth Office Building - 143,000 SF

Class A Office Space, Maine Turnpike Access
70 Gray Rd, Falmouth, ME 04105
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Prime Portland Office Condo
$675,000
2,786 SF

Prime Portland Office Condo

2,786 SF Office, Great Location
527 Ocean Ave, Portland, ME 04103
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Historic Falmouth Mixed-Use Property
$1,495,000
4,280 SF

Historic Falmouth Mixed-Use Property

Prime Falmouth location, mixed-use investment.
234 Middle Rd, Falmouth, ME 04105
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Falmouth Office Building - $1.15M
$1,150,000
5,940 SF

Falmouth Office Building - $1.15M

Multi-tenant office building, 100% occupied.
366 Us-1, Falmouth, ME 04105
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Functional Office Building For Sale
$1,550,000
8,016 SF

Functional Office Building For Sale

Well-maintained 8,016 SF office building suitable for various uses.
481 Riverside Industrial Pkwy, Portland, ME 04103
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Freestanding Office Building For Sale
$895,000
4,248 SF

Freestanding Office Building For Sale

Highly visible office building with parking and garage.
1290 Congress St, Portland, ME 04102
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Fully Leased Portland Office Building
$3,925,000
22,150 SF

Fully Leased Portland Office Building

22,150 SF office building, 100% leased, excellent location.
56 Northport Dr, Portland, ME 04103
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Professional Office Building For Sale
$445,000
1,608 SF

Professional Office Building For Sale

Well-maintained 1,608± SF office building with signage opportunity.
796 Forest Ave, Portland, ME 04103
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Portland Office Building For Sale
$16,000,000
85,972 SF

Portland Office Building For Sale

85,972 SF office building with redevelopment potential.
110 Free St, Portland, ME 04101
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Portland Office Condo For Sale
$675,000
2,786 SF

Portland Office Condo For Sale

2,786± SF office condo with ample parking.
527 Ocean Ave, Portland, ME 04103
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Portland Retail/Office Space For Sale
$895,000
9,045 SF

Portland Retail/Office Space For Sale

Retail and office spaces available in Portland, Maine.
550 Washington Ave, Portland, ME 04103
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Historic Landmark in Portland's Downtown
$10,950,000
99,488 SF

Historic Landmark in Portland's Downtown

Landmark building with value-add potential in Portland's vibrant downtown.
142 High St, Portland, ME 04101
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Net Leased Investment Property
$1,225,000

Net Leased Investment Property

Single tenant property with lease through 2027.
83-85 India St, Portland, ME 04101
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Mixed-Use Building in Downtown Portland
$2,165,000
16,380 SF

Mixed-Use Building in Downtown Portland

16,380± SF mixed-use building in the heart of downtown.
496 Congress St, Portland, ME 04101
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Based on your search, we've compiled Potential Opportunities for your consideration. Besides 20 Active Listings in Portland, ME, we suggest to view alternatives - similar 329 Off-Market properties to explore as potential leads.

Explore Off-Market Properties in Portland, ME

Consider similar Off-Market properties in Portland, ME. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

629 Forest Ave

629 Forest Ave

Office space • 10,853 SF
Value Estimation by Request
629 Forest Ave, Portland, ME 04101
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265 Marginal Way

265 Marginal Way

Flex space • 53,849 SF
Value Estimation by Request
265 Marginal Way, Portland, ME 04101
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97A Exchange St

97A Exchange St

Coworking space • 18,301 SF
Value Estimation by Request
97A Exchange St, Portland, ME 04101
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1053 Forest Ave

1053 Forest Ave

Office space • 12,516 SF
Value Estimation by Request
1053 Forest Ave, Portland, ME 04103
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Portland, ME Office Properties & Spaces Investment Opportunities Market Analysis

Explore 348 office properties & spaces for sale in Portland, ME, showcased through 20 active listings on our real estate platform. These investment opportunities span a total of 741,277,571 square feet of properties for sale, with an estimated market value of $67,409,000.

Prices for office spaces in Portland, ME start at $150,000, averaging $898,786, and reaching up to $9,500,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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