Unshakable ZIP Data 04003 | Harpswell, ME Housing Market
Harpswell · Cumberland County · Portland-South Portland, ME metro · Maine · Data updated June 19, 2026
The average single-family home value in ZIP 04003, Harpswell, Maine is $868,659.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $868,659 | |
| Median new listing price | $1,189,829 | +32.4% |
| National size rank | 29,870 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| New listings | 5 | -53.9% |
| Active listings | 5 | -57.8% |
| Pending sales | 2 | -59.5% |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
3-bedroom
$925,234
These figures describe the single-family market for Harpswell, Maine ZIP 04003. They are market context, not a substitute for sold comps or a formal appraisal.