BuyHappy KnollHomes for SaleOpen HousesNew HomesRecently SoldAberdeenHomes for SaleOpen HousesRecently SoldRentHappy KnollApartments for RentHouses for RentTownhomes for RentAberdeenHouses for RentTownhomes for RentPost A Rental ListingMortgageAberdeenMortgage OverviewGet Pre-QualifiedMortgage RatesRefinance RatesMortgage CalculatorAffordability CalculatorRefinance CalculatorRent vs Buy CalculatorSaved HomesSaved SearchesSign up or Log inEnglishEnglish / ENEspañol / ESAberdeen, MDHappy KnollNeighborhood OverviewNo for sale dataNo homes for saleNo rental dataNo homes for rentNo commute dataRatings unavailableSchoolsPreschoolElementaryMiddleHighGrace Classical AcademyPK-11Private155 StudentsNAGreatSchools RatingParent Rating AverageNo reviews available for this school.The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.Homes in Happy KnollFor Sale (0)For Rent (0)No homes for sale in this neighborhoodSearch Homes in Happy KnollNearby Neighborhoods in AberdeenSkip to last itemBowleys Quarters36 homes for saleBuy: $240K - $1.68MSee Local HighlightsChesapeake Landing22 homes for saleBuy: $5K - $320KSee Local HighlightsSusquehanna Trails9 homes for saleBuy: $129K - $618KSee Local HighlightsTaylor Heights2 homes for saleBuy: $251K - $400KSee Local HighlightsOverlea1 home for saleBuy: $265K+See Local HighlightsWoodring11 homes for saleBuy: $150K - $445KSee Local HighlightsNorth Harford Road8 homes for saleBuy: $200K - $389KSee Local HighlightsRosemont East9 homes for saleBuy: $88K - $498KSee Local HighlightsCedmont13 homes for saleBuy: $99.9K - $350KSee Local HighlightsWestfield14 homes for saleBuy: $199K - $549KSee Local HighlightsSkip to first item