
$675,000
420 Concord Ave, Exton, PA 19341
Listed by Keller Williams Main Line
Welcome to 15 Killdeer Lane, where comfort, efficiency, and everyday convenience come together in the heart of the Marsh Harbour community. This beautifully updated 4‑bedroom, 2.5‑bath home offering approximately 2,417 sq ft delivers a warm, inviting feel and a layout designed to make life easy. A true highlight is the first‑floor primary suite, offering the ease of main‑level living with an updated bath featuring dual sinks, a jetted soaking tub, and a separate stall shower—creating a relaxing space to start and end your day. Just steps away, the main‑level laundry with new cabinetry and countertop adds thoughtful convenience to daily routines. The home is filled with natural light and character, with fresh paint, hardwood floors, custom woodwork, and updated baths throughout. The eat‑in kitchen with stainless steel appliances serves as the heart of the home, flowing effortlessly into the main living areas and out to the rear deck—perfect for gatherings, quiet mornings, or unwinding in the evening. Upstairs, you’ll find spacious bedrooms along with a versatile bonus room, ideal for a home office, hobby space, or whatever fits your lifestyle. The walk‑out basement adds flexibility with a workshop area, separate storage room, and room to grow. Adding to the appeal, the home features solar panels with two Tesla batteries, offering impressive energy efficiency and the potential for saving up to 40% on energy costs along with the peace of mind of having back up power in the case of a power outage. Set within the highly desirable Marsh Harbour community, residents enjoy low‑maintenance living and access to amenities including a pool, tennis courts, fitness center, and clubhouse—all just minutes from shopping, dining, and major routes. 15 Killdeer Lane is a home designed for easy living, comfortable spaces, and a lifestyle that feels just right.
How the bedrooms and baths are distributed across the floors, as reported by the listing agent.
| Date | Event | Price |
|---|---|---|
| Jun 12, 2026 | Listed for sale | $640,000 |
Price changes are tracked from when NookLocal first indexed this listing; earlier history may not appear. Tax & assessment details are in the section below.
Estimated value
$634,000
Automated estimate, not an appraisal. Sale records through July 2026.
Based on 10 comparable sales nearby, the Chester County assessment ratio, weighted toward the current asking price.
| Address | Closed | Sale price | Bd/Ba | Sqft | Adjusted value |
|---|---|---|---|---|---|
| 403 CARPENTERS COVE LN, DOWNINGTOWN, PA 19335 | April 2026 | $635,000 | 5/2 | 2,420 | $629,828 |
| 17 KILLDEER LN, DOWNINGTOWN, PA 19335 | June 2026 | $657,500 | 4/2 | 2,575 | $627,018 |
| 570 FONT RD, DOWNINGTOWN, PA 19335 | January 2026 | $532,000 | 4/2 | 2,506 | $453,433 |
| 106 KAISER DR, DOWNINGTOWN, PA 19335 | July 2025 | $660,000 | 4/2 | 2,420 | $640,730 |
| 140 CHRISTINE DR, DOWNINGTOWN, PA 19335 | November 2025 | $665,000 | 4/2 | 2,440 | $646,470 |
| 35 YARMOUTH LN, DOWNINGTOWN, PA 19335 | November 2025 | $755,000 | 4/2 | 2,380 | $735,518 |
Estimated at current rates
$6,668 / year
≈ $556 per month
MLS shows (2025)
$6,668
School tax
DOWNINGTOWN AREA · 31.91 mills (2025-26)
$5,584
County tax
Chester County · 5.16 mills (2025)
$904
Municipal tax
As recorded for 2025, varies by municipality
$180
Recomputed from the county assessment ($175,000, 1998 base year) × current millage. Portals typically reprint the recorded 2025 bill. Pennsylvania does not reassess on sale. Estimate only. Verify with Chester County before relying on it. Learn more: PA property tax calculator · Common Level Ratio by county.
Loan term
Estimated monthly payment
$4,191/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
Downingtown Area
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
Chester County crime & safety numbers →
FBI and Pennsylvania source data, presented without spin.
Property taxes
Chester 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 9, 2026 at 5:43 PM EDT
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