2129 HARTS LANE
Conshohocken, PA 19428
$5,250,000
Rare opportunity to purchase 20+ acres with two beautiful homes nestled in the quiet enclave of Spring Mill in Whitemarsh Township. The property, which extends on 7 parcels from Barren Hill Road to Hart's Lane, includes a beautiful 4/5 bedroom home, fully renovated in 2018, with detached two-story garage with workshop and storage, cleared private trails, a private arboretum with over $100k in specimen trees added in the last five years, and an 1800s expanded farmhouse with recently built carriage house, stables and paddock built for trailer access. The entire property has been fenced, and trails were cut into the wooded areas for enjoyment. Parcels could be subdivided or sold separately, developed, or enjoyed by a buyer with a vision and purpose for this rare listing.
Listing Courtesy of: Compass RE
610-742-4080
| Standard Status: | Active |
|---|---|
| Mls Number: | PAMC2192478 |
| List Price: | $5,250,000 |
| Property Type: | Residential |
| Architectural Style: | Farmhouse/National Folk, Traditional |
| Year Built: | 1966 |
| Lot Size Acres: | 20.28 |
| Living Area Sqft: | 3,504 |
| Tax Annual Amount: | $12,503 |
| Subdivision Name: | Spring Mill |
| School District Name: | COLONIAL |
| County: | Montgomery |
| Bedrooms Count: | 5 |
| Bathrooms Full: | 3 |
| Basement Yn: | No |
| Garage Spaces Count: | 3.0 |
| Fireplaces Count: | 1 |
| Foundation Details: | Crawl Space |
| Heating Type: | Central |
| Cooling Type: | Central A/C |
| Interior Features: | Entry Level Bedroom |
| Roof: | Asphalt |
| Cooling Fuel: | Electric |
| Heating Fuel: | Electric |
| Hot Water: | Electric |
| Water Source: | Public |
| County Tax: | $1,910.00 |
| School Tax: | $9,593.00 |
| Tax Year: | 2026 |
| Zoning: | RESIDENTIAL |
| View: | City, Garden/Lawn, Panoramic, Park/Greenbelt, Trees/Woods, Valley |
| Listing Agreement: | Exclusive Right |
| Frequency: | Annually |
| Mls List Date: | 2026-08-26 |
| Incorporated City Name: | WHITEMARSH TWP |
| Postal Code Plus4: | 2416 |
| Possession: | 61-90 Days CD, 0-30 Days CD, 31-60 Days CD, 90-120 Days CD, Negotiable, Immediate |
| School District Key: | 300200397034 |
| Above Grade Finished Area: | 3,504 |
| Above Grade Finished Area Units: | Square Feet |
| Below Grade Finished Area Source: | Assessor |
| Bathrooms Total Integer: | 3 |
| Main Level Total Baths: | $1.00 |
| Main Level Bedrooms: | 1 |
| Below Grade Finished Area Units: | Square Feet |
| Construction Materials: | Frame |
| Fireplace?: | Yes |
| Accessibility Features: | 36"+ wide Halls, Level Entry - Main |
| Garage?: | Yes |
| Heating?: | Yes |
| Above Grade Finished Area Source: | Assessor |
| Living Area Source: | Assessor |
| Year Built Effective: | 2018 |
| Year Built Source: | Assessor |
| Upper Level1 Bedrooms: | 4 |
| Upper Level1 Full Baths: | 2 |
| Story Types: | Main, Upper 1 |
| Type: | Detached |
| Central Air Yn: | Yes |
| Upper Level1 Total Baths: | 2.0 |
| Upper Levels Total Baths: | 2 |
| Upper Levels Total Bedrooms: | 4 |
| Upper Levels Total Full Baths: | 2 |
| Main Level Full Baths: | 1 |
| Type Of Parking: | Detached Garage, Attached Garage, Driveway, Off Street |
| Type Of Garage: | Additional Storage Area, Garage - Rear Entry, Garage - Side Entry, Garage Door Opener, Oversized |
| Num Detached Garage Spaces: | 2 |
| Num Attached Garage Spaces: | 1 |
| Total Garage And Parking Spaces: | 9 |
| Source Of Measure Bg: | Assessor |
| Area Total: | 3,504 |
| Source Of Measure: | Assessor |
| Assessment Year: | 2026 |
| City Town Tax: | $826.00 |
| City Tax Frequency: | Annually |
| County Tax Frequency: | Annually |
| Tax Assessment Amount: | $349,860.00 |
| Tax Total Finished Sq Ft: | 3,504 |
| Listing Tax: | 65-00-05329-006 |
| Auto Update Tax Data Yn: | Yes |
| Special Listing Conditions: | Standard |
| Fencing: | Wire |
| Lot Features: | Additional Lot(s), Adjoins - Open Space, Backs to Trees, Cleared, Flag, Front Yard, Hunting Available, Open, Partly Wooded, Private, Rear Yard, Secluded, Subdivision Possible |
| Lot Size Source: | Estimated |
| Lot Size Units: | Square Feet |
| Pets Allowed: | No Pet Restrictions |
| Pool Types: | No Pool |
| Pets Allowed Yn: | Yes |
| Sewer: | On Site Septic |
| Price Per Square Foot: | $1,498.29 |
| Short Sales: | No |
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Property Last Updated: October 08, 2026 05:19 PM - ET
