Date
Details
Price
Change
Source
9/21/2026
Listed
$918,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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1/35
$918,000
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Property Description
Your chance to own waterfront in Windham, NH! Welcome to 21 Oak Street, a charming A-frame waterfront home set along 48 feet of shoreline on private Cobbetts Pond. Soaring windows fill the open-concept living space with natural light while showcasing beautiful pond views. The home offers two first-floor bedrooms, plus a loft-style third bedroom with a half bath upstairs. Outside, a rare flat waterfront lot, patio, private dock, and beautiful sunsets set the stage for lake life. Launch your boat at the town beach and keep it right at your dock, ready for boating, tubing, jet skiing, kayaking, and more. With plenty of parking and a shed for the water toys, this is your chance to enjoy the waterfront lifestyle right here in southern NH. Private showings available immediately.
Full Property Details
Full Property Details for 21 Oak St
General
- Price: $918,000
- Taxes: $14,068 (2026)
- Status: Active
- Type: Single Family
- Source: PrimeMLS
- MLS ID: 5109928
- Updated: 9/24/2026
- Added to Site: 13 day(s) ago
Interior
- Number of Rooms: 6
- Interior Features: Cathedral Ceiling
- Appliances: Dishwasher, Electric Range, Refrigerator
- Flooring: Carpet, Tile
Rooms
Bathrooms
- Total Bathrooms: 2
- 3/4 Bathrooms: 1
- Half Bathrooms: 1
- Bathroom 1: Bathroom Half, Level 2
- Bathroom 2: Bathroom Three Quarter, Level 1
Bedrooms
- Total Bedrooms: 3
- Bedroom 1: Level 2
- Bedroom 2: Level 1
- Bedroom 3: Level 1
Exterior
- Exterior Features: Boat Slip/Dock, Docks, Deck, Shed
- Color: brown
Location
- County: Rockingham
- Driving Directions: Armstrong down, take left on Oak, first house on right
School Information
- School District: Windham School District
- Elementary School: Golden Brook Elementary School
- Middle School: Windham Middle School
- High School: Windham High School
Heating & Cooling
- Cooling Type: Wall AC Units
- Heating Type: Electric
Utilities
- Sewer: Holding Tank
Structural Information
- Construction Status: Existing
- Roof: Asphalt Shingles
- Stories/Levels: 2
- Square Feet: 1,387
- Finished Total: 1,387 Sq. Ft.
- Finished Above Grnd: 1,387 Sq. Ft.
- Year Built: 1985
Lot Features
- Lot Size (Acres): 0.11
- Lot Size (Sq. Ft.): 4,792
- Frontage: TBD
- Driveway/Sidewalk: Paved
- Zoning: RDA
Water Features
- Water Front: Yes
- Water View: Yes
- Water Access: Yes
- Water Front Type: Pond
- Water Front Name: Cobbetts Pond
- Water Front Owned: 1
Financial Considerations
- Price Per Sq. Ft.: $661.86
- Assessment Year: 2025
- Assessment Amount: $994,200
- Tax Amount: $14,068
- Tax Year: 2026
Disclosures and Reports
- Block: M
- Lot Number: 20
Listed by REAL Broker NH, LLC, Kristin Reyes
We Value Your Privacy
We Value Your Privacy
We Value Your Privacy
Listed by REAL Broker NH, LLC, Kristin Reyes
Listing agent
— 21 Oak St —
Kristin Reyes
REAL Broker NH, LLC
Phone: 603-945-1539
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 21 Oak St
School District:Windham School District
| Name | Grades | Distance |
|---|---|---|
Golden Brook Elementary School 112B Lowell Rd., Windham, NH 03087 | PK-4 | 2.8 mi |
Windham Middle School, Windham, NH 112 Lowell Road, Windham, NH 03087 | 7-8 | 2.8 mi |
Windham High School, Windham, NH 64 London Bridge Road, Windham, NH 03087 | 9-12 | 2.5 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 21 Oak St
Tax History
Tax History for 21 Oak St
Year
Property Taxes
Change
Tax Assessment
Change
2025
$14,068
15%
$994,200
84%
2024
$12,210
6%
$539,300
—
2023
$11,541
8%
$539,300
—
2022
$10,657
6%
$539,300
—
2021
$10,027
-3%
$538,500
—
2020
$10,302
17%
$538,500
38%
2019
$8,808
-3%
$390,600
—
2018
$9,097
15%
$390,600
—
2017
$7,890
-7%
$390,600
—
2016
$8,523
—
$390,600
—
2015
$8,484
-13%
$390,600
-4%
2014
$9,744
3%
$406,000
1%
2013
$9,499
—
$402,500
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 21 Oak St
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21 Oak Street, Windham, NH 03087 (MLS# 5109928) is a Single Family property with 3 bedrooms, 0 full bathrooms and 2 partial bathrooms. 21 Oak Street is currently listed for $918,000 and was received on September 15, 2026. Want to learn more about 21 Oak Street? Do you have questions about finding other Single Family real estate for sale in Windham? You can browse all Windham real estate or contact a Coldwell Banker agent to request more information.