
$439,900
149 Countryside Ln, Marietta, PA 17547
Listed by RE/MAX SmartHub Realty
The Helston is a brand-new single-family floor plan in the final phase of Florin Hill. Be among the first to explore its innovative design and secure the best pricing. This 4-5 bedroom, 2.5-3.5 bathroom home is designed for flexibility, allowing you to customize your living space, adjust bathroom layouts, and select finishes that reflect your style. A stunning wall of windows and Hardie Plank siding enhance its timeless yet modern curb appeal. Inside, 9' ceilings and 8' doors create an open, airy feel. The covered front entry leads to a lower-level gallery and staircase ascending to the breathtaking main floor. The expansive 21-foot great room, private study, spacious dining area, and gourmet kitchen—complete with an oversized eat-in island and full-wall tile backsplash—offer both style and function. A boot room, walk-in closet, and powder room complete the main floor. Upstairs, the primary suite features an en-suite bath and two walk-in closets, along with three additional bedrooms and a full bath. The lower level offers options for a game room, a fifth bedroom, and an additional bath. Nestled in historic Mount Joy Borough, Florin Hill offers green spaces, a pool, playground, coffee shop, salon, and scenic walking trails—all just steps from your front door.
| Date | Event | Price |
|---|---|---|
| Mar 6, 2025 | Listed for sale | $452,990 |
Price changes are tracked from when NookLocal first indexed this listing; earlier history may not appear. Tax & assessment details are in the section below.
$497,000
Above the asking price by 10%.
Automated estimate, not an appraisal.
Full value analysis and the comps behind itEstimated at current rates
$10,620 / year
≈ $885 per month
MLS shows (2025)
$0
School tax
DONEGAL · 20.24 mills (2025-26)
$9,170
County tax
Lancaster County · 3.20 mills (2026)
$1,450
Municipal tax
Not reported in the MLS feed
—
Recomputed from the county assessment ($452,990, 2018 base year) × current millage. Portals typically reprint the recorded 2025 bill. Pennsylvania does not reassess on sale. Estimate only. Verify with Lancaster County before relying on it. Learn more: PA property tax calculator · Common Level Ratio by county.
Loan term
Estimated monthly payment
$3,341/mo
Taxes use NookLocal's estimate at current millage rates, not the stale figure on the MLS. The default rate is the average 30-year rate as of July 2026; insurance is estimated at 0.35% of the price per year. Below 20% down, lenders usually add mortgage insurance, which this estimate doesn't include. Estimate only; verify before relying on it.
School district
Donegal
2025 PA state assessments (PSSA / Keystone) and graduation data. The index measures student outcomes, not school effectiveness, and is not adjusted for demographics. Districts serve all residents; verify enrollment boundaries with the district.
Safety data
Lancaster County crime & safety numbers →
FBI and Pennsylvania source data, presented without spin.
Property taxes
Lancaster County taxes, explained →
Millage, the Common Level Ratio, and what changes after you buy.
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Information Deemed Reliable But Not Guaranteed
The data relating to real estate for sale on this website appears in part through the BRIGHT Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms in which United Real Estate Strive 212 participates, and is provided by BRIGHT through a licensing agreement.
IDX listings are displayed pursuant to broker of record United Real Estate Strive 212, Frank Ramos, Broker/Owner, PA Broker License RM424345, 1220 Broadcasting Rd, Suite 201, Wyomissing, PA 19610, (610) 372-0212.
The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Some properties which appear for sale on this website may no longer be available because they are under contract, have Closed or are no longer being offered for sale.
Data last updated: July 8, 2026 at 2:43 PM EDT
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