








A quick, investor-focused snapshot highlighting income strength, yield potential.
| Key metrics | Value |
|---|---|
| Price | $399,900 |
| Est. Rent | $3,200/mo |
| ROI | 18% |


Investment property for sale in Portland at 21 Dow Street UNIT 4, Portland, ME, 04102 offers a 6.68% rental yield on a $385,000 purchase with $2,142/mo rent. 86% in year one. Equity gained on principal adds $2,484/yr while 5% annual appreciation supports $106,368 over five years. Portfolio math shows five-year ROI at 76.77% and total cumulative return in cash at $97,978. Financing is available via Ziffy Mortgage’s DSCR loan, which evaluates $2,142/mo property income against a $1,884/mo payment rather than investor’s personal income documents like W2s, Salary slips, and Tax returns.
Condo
Built in 1900
4,356 sqft lot
$N/A/sqft
$250 monthly HOA
Neighborhood data shown for ZIP Code: 04102, Portland, ME area.
| Category | Value |
|---|---|
| Total HU (Housing Units) | 9,286 (100%) |
| Owner Occupied HU | 4,132 (44.5%) |
| Renter Occupied HU | 4,524 (48.7%) |
| Vacant Housing Units | 630 ( 6.8%) |
| Median Home Value | $513,690 |
| Average Home Value | $613,319 |
Residential
8,306
Single Family
6,553
Multi-Family
1,753
Businesses
692
Date | Event | Price |
|---|---|---|
| 2025-05-01 | Listed for sale | $385,000 |
| 2025-02-01 | Listing removed | $385,000 |
| 2024-07-20 | Listed for sale | $385,000 |
Date | Tax Paid | Tax Increase Rate | Value | Value Increase Rate |
|---|---|---|---|---|
| 2024-05-12 | $4640.00 | N/A | $309,100 | N/A |



Listed by: N/A • Ashby Real Estate
Mls Name: Maine Listings
Mls Provider:
Mls ID: #1597594
Disclaimer: Listing data is derived in whole or in part from Maine Real Estate Information System, Inc. (d/b/a Maine Listings) and is for consumers' personal, noncommercial use only. Dimensions are approximate and not guaranteed. All data should be independently verified. 2025 Maine Real Estate Information System, Inc. All Rights Reserved. Equal Housing Opportunity. Zillow Inc. 415 Congress St #202 Portland, ME 04101 (207) 220-3782