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About this home

Elegant gated estate in sought-after Gladwyne, masterfully designed by renowned architects Peter Batchler alongside architectural designer, Christina Waters, offering exceptional craftsmanship, scale, and versatility. A grand two-story marble foyer with a sweeping curved staircase makes a striking first impression and opens to the spectacular great room, highlighted by soaring ceilings, a Heat & Glo gas fireplace, and custom built-ins with a lighted display and media center. This impressive space flows seamlessly into the chef’s kitchen, featuring rich custom cabinetry, an oversized center island with seating, and top-of-the-line stainless steel appliances, including a Thermador cooktop, a new refrigerator, double dishwashers, wall ovens, and a Sub-Zero wine and beverage refrigerator. A sun-drenched breakfast area with built-in bench seating overlooks the serene, private grounds. The stunning sunroom serves as a true indoor-outdoor retreat, complete with multiple seating areas, a dining space, hurricane-rated windows, and a full indoor grilling kitchen perfect for year-round entertaining, all with picturesque views of the lush backyard. The formal dining room, adorned with elegant crown molding, is ideal for hosting and is complemented by a well-appointed butler’s pantry. Additional main level highlights include a richly detailed home office with custom built-ins, two powder rooms, multiple pantry closets, and a spacious, well-equipped laundry room. The luxurious first-floor primary suite offers a private sanctuary, complete with a Heat & Glo gas fireplace, custom built-ins, and an expansive, professionally outfitted walk-in closet. The spa-inspired primary bath features dual vanities, separate water closets, a soaking tub, and an oversized glass-enclosed shower. The second level offers two generously sized bedroom suites with ensuite baths, along with two additional bedrooms connected by a Jack-and-Jill bathroom. A standout feature is the fully self-contained one-bedroom apartment with both private exterior access and interior connectivity, ideal for an au pair, in-law suite, or extended guests, complete with a living area, full kitchen, separate bedroom, full bath, and its own laundry. The finished walkout lower level provides exceptional additional living space, including a large media and recreation room, fitness area, full bathroom, a private office with exterior access, and abundant storage. Additional features include an elevator servicing all levels, a full-house generator and an oversized four-car garage, three HVAC systems with six zones, and beautifully manicured, private grounds. Ideally located just minutes from the Village of Gladwyne with convenient access to Center City Philadelphia, major roadways, premier shopping and dining, and situated within the highly acclaimed Lower Merion School District, this extraordinary estate offers refined Main Line living at its finest.

Facts & features

Interior

Bedrooms
6
Bathrooms
6 full · 2 half
Living area
8,725 sq ft
Heating
Central
Cooling
Central A/C

Property & construction

Property type
Residential
Architectural style
Colonial
Year built
2009

Lot & parking

Lot size
0.96 acres (41,986 sq ft)
Garage
4 spaces

Financial

Price / sq ft
$395
HOA dues
None

Listing details

MLS #
PAMC2177178
County
Montgomery County
School district
Lower Merion
Days on market
59 days

Price history

DateEventPrice
Apr 27, 2026Listed for sale$3,450,000

Price changes are tracked from when NookLocal first indexed this listing; earlier history may not appear. Tax & assessment details are in the section below.

What this home really costs in taxes

Estimated at current rates

$37,998 / year

$3,167 per month

MLS shows (2025)

$37,998

School tax

LOWER MERION · 35.27 mills (2025-26)

$29,109

County tax

Montgomery County · 5.95 mills (2026)

$4,913

Municipal tax

As recorded for 2025 — varies by municipality

$3,977

Recomputed from the county assessment ($825,370, 1996 base year) × current millage — portals typically reprint the recorded 2025 bill. Pennsylvania does not reassess on sale. Estimate only — verify with Montgomery County before relying on it. Learn more: PA property tax calculator · Common Level Ratio by county.

Where it sits

Open in Google Maps
Map for 420 WILLIAMSON, GLADWYNE, PA 19035

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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: June 24, 2026 at 8:12 PM EDT

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