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: 35
Updated: Jun 21, 2026
Median Price: $860,000
Median Size: 2,838 sqft
Higher-Confidence Cash-Flow Candidates: 3

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

35 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: +$2,683/mo
Modeled Cost: $5,627/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,228/mo

315 Brackett St, Portland, ME, 04102

$824,900

315 Brackett St, Portland, ME, 04102

Fourplex

Beds: 4
Baths: 4.5
Size: 2,360 sqft

Est. Rent: $7,120/mo
Est. Cash Flow: +$664/mo
Modeled Cost: $6,456/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,097/mo

26 Presumpscot St, Portland, ME, 04103

$765,000

26 Presumpscot St, Portland, ME, 04103

Triplex

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

Est. Rent: $6,450/mo
Est. Cash Flow: +$493/mo
Modeled Cost: $5,957/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,800/mo

605 Washington Ave, Portland, ME, 04103

$625,000

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: +$3,068/mo
Modeled Cost: $5,532/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $3,104/mo

1344 Washington Ave, Portland, ME, 04103

$669,000

1344 Washington Ave, Portland, ME, 04103

2-4 Units

Beds: 7
Baths: 2
Size: 2,124 sqft

Est. Rent: $8,120/mo
Est. Cash Flow: +$2,415/mo
Modeled Cost: $5,705/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $3,323/mo

736 Forest Ave, Portland, ME, 04103

$799,000

736 Forest Ave, Portland, ME, 04103

2-4 Units

Beds: 7
Baths: 3
Size: 3,540 sqft

Est. Rent: $8,120/mo
Est. Cash Flow: +$1,622/mo
Modeled Cost: $6,498/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $3,969/mo

44 Pleasant Ave, Portland, ME, 04103

$665,000

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: +$719/mo
Modeled Cost: $5,251/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $3,303/mo

526 Washington Ave, Portland, ME, 04103

$515,000

526 Washington Ave, Portland, ME, 04103

Duplex

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

Est. Rent: $3,904/mo
Est. Cash Flow: -$18/mo
Modeled Cost: $3,922/mo
Estimate Confidence: High
Rent Source: Stated in listing

Est. P&I: $2,558/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: -$24/mo
Modeled Cost: $3,844/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $2,508/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: -$114/mo
Modeled Cost: $6,530/mo
Estimate Confidence: High
Rent Source: Stated in listing

Est. P&I: $4,272/mo

240 Park Ave, Portland, ME, 04102

$750,000

240 Park Ave, Portland, ME, 04102

Duplex

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

Est. Rent: $5,540/mo
Est. Cash Flow: -$143/mo
Modeled Cost: $5,683/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,725/mo

6 - 8 Saint Lawrence St, Portland, ME, 04101

$1,299,000

6 - 8 Saint Lawrence St, Portland, ME, 04101

Fourplex

Beds: 10
Baths: 4
Size: 3,304 sqft

Est. Rent: $9,700/mo
Est. Cash Flow: -$164/mo
Modeled Cost: $9,864/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $6,452/mo

11 Russell St, Portland, ME, 04102

$1,100,000

11 Russell St, Portland, ME, 04102

Fourplex

Beds: 6
Baths: 5
Size: 3,500 sqft

Est. Rent: $8,120/mo
Est. Cash Flow: -$215/mo
Modeled Cost: $8,335/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $5,464/mo

31 Alba St, Portland, ME, 04103

$742,500

31 Alba St, Portland, ME, 04103

Duplex

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

Est. Rent: $5,240/mo
Est. Cash Flow: -$338/mo
Modeled Cost: $5,578/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,688/mo

126 Danforth St, Portland, ME, 04101

$1,295,000

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: -$516/mo
Modeled Cost: $9,746/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $6,432/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: -$561/mo
Modeled Cost: $6,531/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $4,346/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: -$587/mo
Modeled Cost: $4,887/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,278/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: -$629/mo
Modeled Cost: $7,469/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,967/mo

20 Sawyer St, Portland, ME, 04103

$895,000

20 Sawyer St, Portland, ME, 04103

Triplex

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

Est. Rent: $5,970/mo
Est. Cash Flow: -$683/mo
Modeled Cost: $6,653/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,445/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: -$758/mo
Modeled Cost: $7,048/mo
Estimate Confidence: High
Rent Source: Stated in listing

Est. P&I: $4,714/mo

14 Devon St, Portland, ME, 04102

$775,000

14 Devon St, Portland, ME, 04102

Duplex

Beds: 4
Baths: 2
Size: 2,487 sqft

Est. Rent: $4,560/mo
Est. Cash Flow: -$1,079/mo
Modeled Cost: $5,639/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,849/mo

14 Boynton St, Portland, ME, 04102

$849,000

14 Boynton St, Portland, ME, 04102

2-4 Units

Beds: 4
Baths: 3
Size: 3,056 sqft

Est. Rent: $4,560/mo
Est. Cash Flow: -$1,532/mo
Modeled Cost: $6,092/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $4,217/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: -$1,593/mo
Modeled Cost: $5,893/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,098/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: -$1,608/mo
Modeled Cost: $5,988/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $3,377/mo

850 Washington Ave, Portland, ME, 04103

$849,000

850 Washington Ave, Portland, ME, 04103

Duplex

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

Est. Rent: $4,300/mo
Est. Cash Flow: -$1,740/mo
Modeled Cost: $6,040/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,217/mo

169 Longfellow St, Portland, ME, 04103

$925,000

169 Longfellow St, Portland, ME, 04103

Duplex

Beds: 5
Baths: 2
Size: 2,838 sqft

Est. Rent: $4,770/mo
Est. Cash Flow: -$1,827/mo
Modeled Cost: $6,597/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,594/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: -$1,980/mo
Modeled Cost: $6,750/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,719/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: -$2,034/mo
Modeled Cost: $8,604/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $5,935/mo

33 O'brion St, Portland, ME, 04101

$1,210,000

33 O'brion St, Portland, ME, 04101

Triplex

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

Est. Rent: $6,570/mo
Est. Cash Flow: -$2,125/mo
Modeled Cost: $8,695/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $6,010/mo

94 Emery St, Portland, ME, 04102

$884,000

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: -$2,145/mo
Modeled Cost: $6,205/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $4,391/mo

481 Danforth St, Portland, ME, 04102

$978,000

481 Danforth St, Portland, ME, 04102

Duplex

Beds: 4
Baths: 2
Size: 1,901 sqft

Est. Rent: $4,560/mo
Est. Cash Flow: -$2,318/mo
Modeled Cost: $6,878/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $4,858/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: -$2,642/mo
Modeled Cost: $8,482/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $5,955/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: -$4,816/mo
Modeled Cost: $14,046/mo
Estimate Confidence: Low
Rent Source: Estimated

Est. P&I: $9,934/mo

123 Cumberland Ave, Portland, ME, 04101

$1,800,000

123 Cumberland Ave, Portland, ME, 04101

Triplex

Beds: 5
Baths: 4
Size: 3,667 sqft

Est. Rent: $6,090/mo
Est. Cash Flow: -$6,108/mo
Modeled Cost: $12,198/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $8,940/mo

5 Merrill St, Portland, ME, 04101

$2,100,000

5 Merrill St, Portland, ME, 04101

Duplex

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

Est. Rent: $5,320/mo
Est. Cash Flow: -$8,556/mo
Modeled Cost: $13,876/mo
Estimate Confidence: Medium
Rent Source: Estimated

Est. P&I: $10,431/mo