Portland, ME Fourplexes for Sale

Portland, Maine boasts a charming coastal vibe with its picturesque waterfront and historic architecture. The city is renowned for its thriving food scene, featuring fresh seafood and local farm-to-table dining. With an active arts community and numerous outdoor recreational opportunities, including hiking and boating, there's always something to enjoy. Portland's small-town feel combined with its cultural vibrancy makes it a welcoming place to call home. Plus, its proximity to beautiful natural landscapes offers a perfect balance of city and nature living.

Listings: 42
Updated: Aug 1, 2026
Median Price: $864,500
Median Size: 2,903 sqft
Higher-Confidence Cash-Flow Candidates: 6

Cash-flow figures are directional screening signals only. Verify rent, unit mix, taxes, insurance, financing, condition, and listing status independently.

Compare Portland listings with the national cash-flow rankings

Available Listings

Portland Duplex, Triplex, and Fourplex Listings

42 results

6 Horton Pl, Portland, ME, 04102

$650,000

6 Horton Pl, Portland, ME, 04102

Triplex

Beds: 9
Baths: 3
Size: 3,636 sqft

Est. Rent: $8,310/mo
Est. Cash Flow: +$2,556/mo
Modeled Cost: $5,754/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,355/mo

224 Valley St, Portland, ME, 04102

$985,000

224 Valley St, Portland, ME, 04102

Fourplex

Beds: 8
Baths: 4
Size: 2,911 sqft

Est. Rent: $9,120/mo
Est. Cash Flow: +$1,096/mo
Modeled Cost: $8,024/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $5,084/mo

47 Frederic St, Portland, ME, 04102

$949,000

47 Frederic St, Portland, ME, 04102

Triplex

Beds: 9
Baths: 3
Size: 3,570 sqft

Est. Rent: $8,310/mo
Est. Cash Flow: +$674/mo
Modeled Cost: $7,636/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,898/mo

26 Presumpscot St, Portland, ME, 04103

$725,000

26 Presumpscot St, Portland, ME, 04103

Triplex

Beds: 6
Baths: 3
Size: 2,764 sqft

Est. Rent: $5,900/mo
Est. Cash Flow: +$157/mo
Modeled Cost: $5,743/mo
Estimate Confidence: High
Rent Source: Stated in listing

Est. P&I: $3,742/mo

17 Boynton St, Portland, ME, 04102

$849,900

17 Boynton St, Portland, ME, 04102

Triplex

Beds: 6
Baths: 3
Size: 4,311 sqft

Est. Rent: $6,840/mo
Est. Cash Flow: +$122/mo
Modeled Cost: $6,718/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,387/mo

526 Washington Ave, Portland, ME, 04103

$480,000

526 Washington Ave, Portland, ME, 04103

Duplex

Beds: 5
Baths: 2
Size: 1,866 sqft

Est. Rent: $3,904/mo
Est. Cash Flow: +$101/mo
Modeled Cost: $3,803/mo
Estimate Confidence: High
Rent Source: Stated in listing

Est. P&I: $2,478/mo

605 Washington Ave, Portland, ME, 04103

$550,000

605 Washington Ave, Portland, ME, 04103

2-4 Units

Beds: 8
Baths: 2
Size: 2,612 sqft

Est. Rent: $8,600/mo
Est. Cash Flow: +$3,418/mo
Modeled Cost: $5,182/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $2,839/mo

44 Pleasant Ave, Portland, ME, 04103

$650,000

44 Pleasant Ave, Portland, ME, 04103

2-4 Units

Beds: 5
Baths: 2
Size: 2,442 sqft

Est. Rent: $5,970/mo
Est. Cash Flow: +$684/mo
Modeled Cost: $5,286/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $3,355/mo

16 Hartley St, Portland, ME, 04103

$945,000

16 Hartley St, Portland, ME, 04103

Triplex

Beds: 8
Baths: 3
Size: 4,053 sqft

Est. Rent: $7,390/mo
Est. Cash Flow: -$37/mo
Modeled Cost: $7,427/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,878/mo

268 Concord St W, Portland, ME, 04103

$917,500

268 Concord St W, Portland, ME, 04103

Fourplex

Beds: 5
Baths: 3
Size: 3,688 sqft

Est. Rent: $7,160/mo
Est. Cash Flow: -$48/mo
Modeled Cost: $7,208/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,736/mo

1435 Forest Ave, Portland, ME, 04103

$505,000

1435 Forest Ave, Portland, ME, 04103

2-4 Units

Beds: 3
Baths: 0.5
Size: 2,910 sqft

Est. Rent: $3,820/mo
Est. Cash Flow: -$123/mo
Modeled Cost: $3,943/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $2,607/mo

126 Danforth St, Portland, ME, 04101

$1,195,000

126 Danforth St, Portland, ME, 04101

2-4 Units

Beds: 9
Baths: 6
Size: 3,849 sqft

Est. Rent: $9,230/mo
Est. Cash Flow: -$139/mo
Modeled Cost: $9,369/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $6,168/mo

240 Park Ave, Portland, ME, 04102

$735,000

240 Park Ave, Portland, ME, 04102

Duplex

Beds: 6
Baths: 3
Size: 2,333 sqft

Est. Rent: $5,540/mo
Est. Cash Flow: -$195/mo
Modeled Cost: $5,735/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,794/mo

438-440 St. John St, Portland, ME, 04102

$860,000

438-440 St. John St, Portland, ME, 04102

Triplex

Beds: 9
Baths: 3
Size: 3,610 sqft

Est. Rent: $6,416/mo
Est. Cash Flow: -$281/mo
Modeled Cost: $6,697/mo
Estimate Confidence: High
Rent Source: Stated in listing

Est. P&I: $4,439/mo

31 Alba St, Portland, ME, 04103

$719,000

31 Alba St, Portland, ME, 04103

Duplex

Beds: 6
Baths: 2
Size: 2,424 sqft

Est. Rent: $5,240/mo
Est. Cash Flow: -$334/mo
Modeled Cost: $5,574/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,711/mo

14 Devon St, Portland, ME, 04102

$725,000

14 Devon St, Portland, ME, 04102

Duplex

Beds: 5
Baths: 2
Size: 2,487 sqft

Est. Rent: $5,050/mo
Est. Cash Flow: -$523/mo
Modeled Cost: $5,573/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,742/mo

161 Grant St, Portland, ME, 04101

$923,000

161 Grant St, Portland, ME, 04101

2-4 Units

Beds: 6
Baths: 4
Size: 3,652 sqft

Est. Rent: $6,570/mo
Est. Cash Flow: -$554/mo
Modeled Cost: $7,124/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $4,764/mo

481 Danforth St, Portland, ME, 04102

$837,000

481 Danforth St, Portland, ME, 04102

Duplex

Beds: 7
Baths: 2
Size: 1,901 sqft

Est. Rent: $5,790/mo
Est. Cash Flow: -$636/mo
Modeled Cost: $6,426/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,320/mo

20 Sawyer St, Portland, ME, 04103

$869,000

20 Sawyer St, Portland, ME, 04103

Triplex

Beds: 5
Baths: 3
Size: 2,705 sqft

Est. Rent: $5,970/mo
Est. Cash Flow: -$694/mo
Modeled Cost: $6,664/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,486/mo

59-61 Maggie Ln, Portland, ME, 04103

$660,000

59-61 Maggie Ln, Portland, ME, 04103

Duplex

Beds: 4
Baths: 2
Size: 1,872 sqft

Est. Rent: $4,300/mo
Est. Cash Flow: -$716/mo
Modeled Cost: $5,016/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,407/mo

777 Forest Ave, Portland, ME, 04103

$875,000

777 Forest Ave, Portland, ME, 04103

2-4 Units

Beds: 5
Baths: 3
Size: 3,948 sqft

Est. Rent: $5,970/mo
Est. Cash Flow: -$731/mo
Modeled Cost: $6,701/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $4,516/mo

1747 Forest Ave, Portland, ME, 04103

$665,000

1747 Forest Ave, Portland, ME, 04103

Duplex

Beds: 4
Baths: 2
Size: 1,840 sqft

Est. Rent: $4,300/mo
Est. Cash Flow: -$747/mo
Modeled Cost: $5,047/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,433/mo

325 Woodford St, Portland, ME, 04103

$948,000

325 Woodford St, Portland, ME, 04103

Triplex

Beds: 6
Baths: 4
Size: 3,067 sqft

Est. Rent: $6,450/mo
Est. Cash Flow: -$808/mo
Modeled Cost: $7,258/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,893/mo

1530 Congress St, Portland, ME, 04102

$1,000,000

1530 Congress St, Portland, ME, 04102

Triplex

Beds: 6
Baths: 3.5
Size: 3,995 sqft

Est. Rent: $6,840/mo
Est. Cash Flow: -$824/mo
Modeled Cost: $7,664/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $5,162/mo

22 Hawthorne St, Portland, ME, 04103

$800,000

22 Hawthorne St, Portland, ME, 04103

Duplex

Beds: 6
Baths: 2
Size: 2,896 sqft

Est. Rent: $5,240/mo
Est. Cash Flow: -$843/mo
Modeled Cost: $6,083/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,129/mo

24 Rowe Ave, Portland, ME, 04102

$650,000

24 Rowe Ave, Portland, ME, 04102

Duplex

Beds: 3
Baths: 2
Size: 1,749 sqft

Est. Rent: $4,060/mo
Est. Cash Flow: -$844/mo
Modeled Cost: $4,904/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,355/mo

10 Deane St, Portland, ME, 04102

$775,000

10 Deane St, Portland, ME, 04102

Duplex

Beds: 7
Baths: 3
Size: 3,346 sqft

Est. Rent: $5,000/mo
Est. Cash Flow: -$878/mo
Modeled Cost: $5,878/mo
Estimate Confidence: High
Rent Source: Stated in listing

Est. P&I: $4,000/mo

142 Sherman St, Portland, ME, 04101

$949,000

142 Sherman St, Portland, ME, 04101

Fourplex

Beds: 11
Baths: 4
Size: 3,578 sqft

Est. Rent: $6,290/mo
Est. Cash Flow: -$942/mo
Modeled Cost: $7,232/mo
Estimate Confidence: High
Rent Source: Stated in listing

Est. P&I: $4,898/mo

83 Capisic St, Portland, ME, 04102

$950,000

83 Capisic St, Portland, ME, 04102

Duplex

Beds: 6
Baths: 2
Size: 2,432 sqft

Est. Rent: $5,540/mo
Est. Cash Flow: -$1,549/mo
Modeled Cost: $7,089/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,904/mo

850 Washington Ave, Portland, ME, 04103

$799,000

850 Washington Ave, Portland, ME, 04103

Duplex

Beds: 4
Baths: 2
Size: 2,184 sqft

Est. Rent: $4,300/mo
Est. Cash Flow: -$1,589/mo
Modeled Cost: $5,889/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,124/mo

1 Firefly St Unit 403/103, Portland, ME, 04101

$679,998

1 Firefly St Unit 403/103, Portland, ME, 04101

Duplex

Beds: 4
Baths: 2
Size: 965 sqft

Est. Rent: $4,380/mo
Est. Cash Flow: -$1,741/mo
Modeled Cost: $6,121/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,510/mo

115 Woodford St, Portland, ME, 04103

$825,000

115 Woodford St, Portland, ME, 04103

Duplex

Beds: 4
Baths: 2
Size: 2,840 sqft

Est. Rent: $4,300/mo
Est. Cash Flow: -$1,753/mo
Modeled Cost: $6,053/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,258/mo

94 Emery St, Portland, ME, 04102

$854,000

94 Emery St, Portland, ME, 04102

2-4 Units

Beds: 3
Baths: 3
Size: 2,413 sqft

Est. Rent: $4,060/mo
Est. Cash Flow: -$2,128/mo
Modeled Cost: $6,188/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $4,408/mo

155 Hartley St, Portland, ME, 04103

$950,000

155 Hartley St, Portland, ME, 04103

Duplex

Beds: 5
Baths: 3
Size: 2,080 sqft

Est. Rent: $4,770/mo
Est. Cash Flow: -$2,165/mo
Modeled Cost: $6,935/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,904/mo

103 Monument St, Portland, ME, 04101

$1,195,000

103 Monument St, Portland, ME, 04101

Triplex

Beds: 6
Baths: 3
Size: 2,917 sqft

Est. Rent: $6,570/mo
Est. Cash Flow: -$2,267/mo
Modeled Cost: $8,837/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $6,168/mo

33 O'brion St, Portland, ME, 04101

$1,195,000

33 O'brion St, Portland, ME, 04101

Triplex

Beds: 6
Baths: 3
Size: 3,584 sqft

Est. Rent: $6,570/mo
Est. Cash Flow: -$2,267/mo
Modeled Cost: $8,837/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $6,168/mo

115 Clark St, Portland, ME, 04102

$1,199,000

115 Clark St, Portland, ME, 04102

Triplex

Beds: 4
Baths: 3
Size: 2,784 sqft

Est. Rent: $5,840/mo
Est. Cash Flow: -$2,876/mo
Modeled Cost: $8,716/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $6,189/mo

26-30 Turner St, Portland, ME, 04101

$1,675,000

26-30 Turner St, Portland, ME, 04101

2-4 Units

Beds: 7
Baths: 3
Size: 3,315 sqft

Est. Rent: $8,280/mo
Est. Cash Flow: -$3,921/mo
Modeled Cost: $12,201/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $8,646/mo

31 Bates St, Portland, ME, 04103

$1,395,000

31 Bates St, Portland, ME, 04103

Triplex

Beds: 5
Baths: 3
Size: 2,393 sqft

Est. Rent: $5,970/mo
Est. Cash Flow: -$4,006/mo
Modeled Cost: $9,976/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $7,201/mo

104 Monument St, Portland, ME, 04101

$2,000,000

104 Monument St, Portland, ME, 04101

2-4 Units

Beds: 9
Baths: 3
Size: 4,896 sqft

Est. Rent: $9,230/mo
Est. Cash Flow: -$5,205/mo
Modeled Cost: $14,435/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $10,323/mo

69 Newbury St, Portland, ME, 04101

$2,250,000

69 Newbury St, Portland, ME, 04101

Fourplex

Beds: 8
Baths: 4
Size: 4,438 sqft

Est. Rent: $8,760/mo
Est. Cash Flow: -$7,156/mo
Modeled Cost: $15,916/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $11,614/mo

5 Merrill St, Portland, ME, 04101

$1,995,000

5 Merrill St, Portland, ME, 04101

Duplex

Beds: 6
Baths: 4
Size: 3,450 sqft

Est. Rent: $5,320/mo
Est. Cash Flow: -$8,303/mo
Modeled Cost: $13,623/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $10,298/mo