A diamond in the rough on Great Diamond Island in Portland Maine. This historic hospital is looking for a developer to make this into residential living as it sits in a Residential zone. All zoning info should be verified with the city. It is a part of the Diamond Cove Homeowners Association. This property is also part of the National Historical Registry as well as the Maine Historical Registry.
No entrance to the property allowed. The City of Portland reserves the right to accept, reject any and all offers in its discretion.
No Entry allowed.
Pending
$250,000
159 Diamond Avenue, Portland, ME 04109
--beds
--baths
13,496sqft
Est.:
Single Family Residence
Built in 1906
5,227.2 Square Feet Lot
$-- Zestimate®
$19/sqft
$-- HOA
What's special
- 381 days |
- 44 |
- 0 |
Zillow last checked: 8 hours ago
Listing updated: July 28, 2025 at 10:37am
Listed by:
EXP Realty
Source: Maine Listings,MLS#: 1610601
Facts & features
Interior
Heating
- None
Cooling
- None
Features
- Flooring: Other
- Basement: None
- Has fireplace: No
Interior area
- Total structure area: 13,496
- Total interior livable area: 13,496 sqft
- Finished area above ground: 13,496
- Finished area below ground: 0
Property
Parking
- Parking features: No Driveway, None
Lot
- Size: 5,227.2 Square Feet
- Features: Other
Details
- Parcel number: PTLDM083BBM190001
- Zoning: IR
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Other
- Property subtype: Single Family Residence
Materials
- Other, Brick
- Roof: Other
Condition
- Year built: 1906
Utilities & green energy
- Electric: No Electric
- Sewer: None
- Water: Public
Community & HOA
HOA
- Has HOA: Yes
Location
- Region: Portland
Financial & listing details
- Price per square foot: $19/sqft
- Tax assessed value: $375,500
- Annual tax amount: $5,636
- Date on market: 12/4/2024
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Visit professional directoryEstimated market value
Not available
Estimated sales range
Not available
Not available
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 4/16/2025 | Pending sale | $250,000$19/sqft |
Source:  Maine Listings #1610601 Report a problem | ||
| 12/4/2024 | Listed for sale | $250,000$19/sqft |
Source: Maine Listings #1610601 Report a problem | ||
Public tax history
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | $4,878 | $375,500 |
| 2023 | $4,878 | $375,500 |
| 2022 | $4,878 -10.6% | $375,500 +60.5% |
Find assessor info on the county website
BuyAbility℠ payment
Est. payment
$1,265/mo
Principal & interest
$969
Property taxes
$208
Home insurance
$88
Climate risks
Neighborhood: Great Diamond Island
Nearby schools
GreatSchools rating
- 3/10Howard C Reiche Community SchoolGrades: PK-5Distance: 4.1 mi
- 2/10King Middle SchoolGrades: 6-8Distance: 4.2 mi
- 4/10Portland High SchoolGrades: 9-12Distance: 3.5 mi
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