Skip main navigation
Pending
    • Listed by: Realty One Group Next Level • Andrew Whelan
    $799,999

    21 N Mason Road, Brookline, NH 03033

    4beds
    3,384sqft
    : 
    $6,010/mo
    Get pre-qualified
    Single Family Residence
    Built in 2019
    2.46 Acres Lot
    $802,700 Zestimate®
    $236/sqft
    $-- HOA

    What's special

    Gas fireplaceSizeable attached two-car garageBackyard oasisNewer swim spaShed for extra storageFormal dining roomHalf bath
    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.
    65 days
    |
    148
    |
    3
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Andrew Whelan,

    Realty One Group Next Level 888-888-7653

    Source: PrimeMLS,MLS#: 5091271MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 3
      • Full bathrooms: 1
      • 3/4 bathrooms: 1
      • 1/2 bathrooms: 1
      Heating
      • Propane
      Cooling
      • Central Air
      Appliances
      • Included: Dishwasher, Dryer, Range Hood, Microwave, Gas Range, Refrigerator, Washer, Instant Hot Water
      • Laundry: Laundry Hook-ups
      Features
      • Dining Area, Kitchen Island, Kitchen/Dining, Kitchen/Family, Kitchen/Living, Living/Dining, Primary BR w/ BA, Natural Light, Indoor Storage, Walk-In Closet(s), Programmable Thermostat
      • Flooring: Carpet, Hardwood, Tile
      • Windows: Blinds
      • Basement: Climate Controlled,Finished,Full,Insulated,Exterior Stairs,Interior Stairs,Storage Space,Interior Access,Exterior Entry,Basement Stairs,Interior Entry
      • Number of fireplaces: 1
      • Fireplace features: Gas, 1 Fireplace
      Interior area
      • Total structure area: 4,028
      • Total interior livable area: 3,384 sqft
      • Finished area above ground: 2,884
      • Finished area below ground: 500
      Video & virtual tour

      Property

      Parking
      • Total spaces: 6
      • Parking features: Paved, Auto Open, Direct Entry, Driveway, Garage, Parking Spaces 5 - 10, Parking Spaces 6+, Attached
      • Garage spaces: 2
      • Has uncovered spaces: Yes
      Accessibility
      • Accessibility features: 1st Floor 1/2 Bathroom, Hard Surface Flooring, Paved Parking, 1st Floor Laundry
      Features
      • Levels: Two
      • Stories: 2
      • Patio & porch: Patio
      • Exterior features: Deck, Garden, Natural Shade, Shed, Storage
      • Has private pool: Yes
      • Pool features: Above Ground
      • Has spa: Yes
      • Spa features: Heated
      • Fencing: Full
      • Frontage length: Road frontage: 211
      Lot
      • Size: 2.46 Acres
      • Features: Landscaped, Level, Trail/Near Trail, Walking Trails, Near Country Club, Near Golf Course, Near Hospital
      Details
      • Parcel number: BRKLM0000DL000041S000001
      • Zoning description: 02 - RESIDENTIAL/AGRICULT
      • Other equipment: Sprinkler System

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Colonial
      • Property subtype: Single Family Residence
      Materials
      • Wood Frame, Vinyl Siding
      • Foundation: Concrete, Poured Concrete
      • Roof: Shingle
      Condition
      • New construction: No
      • Year built: 2019

      Utilities & green energy

      • Electric: 200+ Amp Service, Circuit Breakers, Generator Ready
      • Sewer: 1250 Gallon, Concrete, Private Sewer, Septic Tank
      • Utilities for property: Cable Available, Phone Available

      Community & HOA

      Community
      • Security: Security, Security System, Smoke Detector(s)
      Location
      • Region: Brookline

      Financial & listing details

      • Price per square foot: $236/sqft
      • Tax assessed value: $618,215
      • Annual tax amount: $15,536
      • Date on market: 5/27/2026
      • Road surface type: Paved

        Estimated market value

        $802,700

        $763,000 - $843,000

        $4,702/mo

        Price history

        DateEventPrice
        6/22/2026Pending sale$799,999$236/sqft
        Source: PrimeMLS #5091271 Report a problem
        6/11/2026Listed for sale$799,999$236/sqft
        Source: PrimeMLS #5091271 Report a problem
        6/4/2026Pending sale$799,999$236/sqft
        Source: PrimeMLS #5091271 Report a problem
        5/27/2026Listed for sale$799,999+70.6%$236/sqft
        Source: PrimeMLS #5091271 Report a problem
        9/3/2019Sold$469,000$139/sqft
        Source: PrimeMLS #4751948 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2024$13,978 +8.8%$618,215
        2023$12,847 +15.7%$618,215 +65.5%
        2022$11,104 +6.9%$373,611 0%
        2021$10,386 $373,613
        2020$10,386 +173.3%$373,613 +193.7%
        2019$3,800 +37900%$127,214 +37315.9%
        2018$10 $340
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
        See how much you could borrow to make a competitive offer.
        Get pre-qualified

        Climate risks

        Neighborhood: 03033

        Getting around

        4 / 100
        Car-Dependent
        18 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Richard Maghakian Memorial
        • Middle: Hollis Brookline Middle Sch
        • High: Hollis-Brookline High School
        • District: Brookline School District

        Source: PrimeMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

        A local agent can set up tours, give advice and negotiate with sellers.

        A local lender can help you make sure your offer is ready when you are.

        Browse local experts

        Similar homes

            Nearby cities

            Nearby zip codes

            Other Brookline Topics

              Search
              Updates
              Favorites
              Plan
              Inbox