21 N Mason Road, Brookline, NH 03033

Listing by: Andrew Whelan, Realty One Group Next Level, 888-888-7653

4 Beds

3 Baths

3,384SqFt

Pending

Better than new construction, this meticulously maintained 4-bedroom colonial in Brookline, NH, features a backyard oasis and premium upgrades throughout. The first floor offers a bright and welcoming foyer leading to a spacious kitchen with stainless-steel appliances, granite countertops, and large island with an overhang for additional seating. The main level also includes a generously sized and bright living room with a gas fireplace, a formal dining room, convenient first floor laundry room, and a half bath. The second floor boasts a large primary bedroom with a walk-in closet, an ensuite full bathroom, and direct access to the large, finished bonus space above the garage, currently being used as a home office. Three additional bedrooms and another full bathroom complete the second floor. The finished basement offers additional living space and flexibility, with space currently used as a spare bedroom, while the unfinished section provides excellent storage options. Outside, you'll find a fully fenced backyard featuring a large deck with composite decking that steps down to an expansive patio, a newer swim spa, extensive ambient light setup, a shed for extra storage and ample space for gardening. Additional upgrades and improvements include an upgraded irrigation sprinkler system with digital rain sensors, central A/C, Rinnai on demand hot water heater, generator hookup, security lights and cameras, keyless entry, and a sizeable attached two-car garage. All situated on a private 2.45-acre lot with convenient access to local amenities.

Property Details
Price $799,999
Bedrooms 4
Full Baths 1
Half Baths 1
Total Baths 3
Property Style Colonial
Lot Size Area 107158
Acres 2.46
Property Type Residential
Sub type SingleFamilyResidence
MLS® Sub type Single Family
Stories 2
Features Blinds,Dining Area,Gas Fireplace,1 Fireplace,Kitchen Island,Kitchen/Dining,Kitchen/Family,Kitchen/Living,Laundry Hook-ups,Living/Dining,Primary BR w/ BA,Natural Light,Security,Indoor Storage,Walk-in Closet,Programmable Thermostat
Exterior Features Deck,Full Fence,Garden Space,Hot Tub,Natural Shade,Patio,Above Ground Pool,Shed,Storage
Year Built 2019
Roof Shingle
Heating Propane
Foundation Concrete,Poured Concrete
Accessibility 1st Floor 1/2 Bathroom,1st Floor Laundry,Hard Surface Flooring,Paved Parking
Lot Description Landscaped,Level,Trail/Near Trail,Walking Trails,Near Country Club,Near Golf Course,Near Hospital
Parking Description Attached,Auto Open,Direct Entry,Driveway,Garage,Parking Spaces 5 - 10,Parking Spaces 6+,Paved
Parking Spaces 2
Garage spaces 2
Additional Rooms 10
Geographic Data
Directions West on NH-130 W, Right onto Rte 13 N, Left onto N Mason Road
County NH-Hillsborough
Latitude 42.763348
Longitude -71.68079982209
Market Area NH-Hillsborough
Address Information
Address 21 N Mason Road, Brookline, NH 03033
Postal Code 03033
City Brookline
State NH
Country United States
Listing Information
Listing Office Realty One Group Next Level
Listing Office Phone 888-888-7653
Listing Office Email info@rognextlevel.com
Listing Agent Andrew Whelan
Listing Agent Phone 888-888-7653
Virtual Tour URL https://unbranded.youriguide.com/21_n_mason_rd_brookline_nh/
School Information
District Brookline School District
Elementary School Richard Maghakian Memorial
Middle School Hollis Brookline Middle Sch
High School Hollis-Brookline High School
MLS® Information
Days on market 18
MLS® Status Pending
Listing Date May 27, 2026
Listing Last Modified Jun 22, 2026
Tax Year 2025
Tax Annual Amount 15536
MLS® Area NH-Hillsborough
MLS® # 5091271

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This information is believed to be accurate, but without any warranty.