
$865,000
20 Walnut St, Newtown Square, PA 19073
Listed by RE/MAX Main Line-West Chester
Magnificent 1900s Swarthmore home with unparalleled charm. Think soaring ceilings, gorgeous hardwood floors, a classic wrap-around front porch, dual staircases and more. Wonderful location—just two blocks from the train and town center and directly across the street from Swarthmore College grounds. This stunning three-story home features six Bedrooms and two versatile Bonus Rooms (currently utilized as an Office and Yoga Room) across the upper floors. Enter through the Front Porch into a spectacular Living Room, complete with a gas fireplace, cozy built-in bench, and oversized diamond-pane windows that flood the space with natural light. A stunning Dining Room follows—big enough for your largest holiday table. The updated eat-in Kitchen with a new Samsung fridge is located at the rear of the home. There is also a Mud Room Suite in this area, offering a Powder Room, Laundry area, and ample storage for coats, boots, and backpacks. Here you will also discover a delightful and spacious Screened Porch—a serene retreat for quiet mornings or summer evening meals. Head up the grand staircase to the second floor where you will find the Primary Suite, offering a walk-in closet and ensuite Bath with a stall shower, jacuzzi tub and dark walnut vanity. On this level there are also two additional Bedrooms plus an Office (with a small balcony!) and a Hall Bath. The third floor offers three more spacious Bedrooms and a dedicated Yoga Room. There is a Hall Bath on this floor too with a tub/shower combination, crisp white subway tile and pretty glass doors that open to a linen closet (and there is a hook up for washer & dryer here too!). The Basement is unfinished, but provides significant storage. Outside, there is a fully fenced in area on the side of the house that was used as a dog run by the previous owners, where you will also find a patio. The driveway and rear of the home are conveniently accessed from Harvard Avenue. (follow the signs!). Walk to town, train, schools, town pool and more from this gem of a home - offering nearly 4000 square feet of space and historic charm. Swarthmore Borough is a small college town located just outside Philadelphia and 15 minutes from Philadelphia Airport. Award-winning schools including Strath Haven High School - which boasts the largest marching band in the state with one out of every three students at the school participating!
| Date | Event | Price |
|---|---|---|
| May 13, 2026 | Listed for sale | $860,000 |
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
$907,000
Automated estimate, not an appraisal. Sale records through July 2026.
Based on 10 comparable sales nearby, the Delaware County assessment ratio, weighted toward the current asking price.
| Address | Closed | Sale price | Bd/Ba | Sqft | Adjusted value |
|---|---|---|---|---|---|
| 419 YALE AVE, SWARTHMORE, PA 19081 | June 2025 | $1,000,000 | 5/3 | 3,303 | $1,079,664 |
| 241 OGDEN AVE, SWARTHMORE, PA 19081 | October 2025 | $1,100,000 | 5/3 | 3,734 | $911,952 |
| 651 N CHESTER RD, SWARTHMORE, PA 19081 | January 2026 | $715,000 | 5/3 | 2,777 | $870,580 |
| 405 WOODWARD RD, MEDIA, PA 19063 | May 2026 | $1,295,000 | 6/3 | 3,108 | $1,680,513 |
| 1 E BROOKHAVEN RD, WALLINGFORD, PA 19086 | January 2026 | $600,000 | 6/3 | 3,108 | $1,109,902 |
| 612 N CHESTER RD, SWARTHMORE, PA 19081 | July 2024 | $1,000,000 | 4/3 | 3,079 | $991,401 |
Estimated at current rates
$18,311 / year
≈ $1,526 per month
MLS shows (2025)
$18,312
School tax
WALLINGFORD-SWARTHMORE · 31.17 mills (2025-26)
$14,190
County tax
Delaware County · 4.61 mills (2026)
$2,098
Municipal tax
As recorded for 2025, varies by municipality
$2,023
Recomputed from the county assessment ($455,230, 2021 base year) × current millage. Portals typically reprint the recorded 2025 bill. Pennsylvania does not reassess on sale. Estimate only. Verify with Delaware County before relying on it. Learn more: PA property tax calculator · Common Level Ratio by county.
Loan term
Estimated monthly payment
$6,094/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
Wallingford-Swarthmore
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
Delaware County crime & safety numbers →
FBI and Pennsylvania source data, presented without spin.
Property taxes
Delaware 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.
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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 2:37 PM EDT
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