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Main Line PA Homes for Sale & Real Estate
Four townships, three counties, one train line. Stone colonials on deep lots, districts buyers move counties for, and the thinnest inventory in the region at almost every price point.
The short version
What is Main Line?
The Main Line is not a municipality, it is a corridor. It follows the old Pennsylvania Railroad route, now the Paoli/Thorndale Regional Rail line, out from the city line through four townships in three different counties: Lower Merion in Montgomery, Haverford and Radnor in Delaware, and Tredyffrin in Chester.
That matters practically, not just historically. The township you buy in determines your school district, your tax bill and your transfer tax rate, and those boundaries do not match the station names or the town names people use in conversation. Ardmore alone straddles two townships and two school districts.
Market snapshot
Main Line, by the numbers
| Township | Population | Median income | Homeownership | Median home value |
|---|---|---|---|---|
| Lower Merion (Montco) | 64,691 | $176,512 | 74.7% | $810,400 |
| Haverford Twp (Delco) | 50,997 | $131,674 | 87.4% | $466,400 |
| Radnor Twp (Delco) | 32,930 | $164,359 | 65.9% | $833,900 |
| Tredyffrin (Chesco) | 31,818 | $162,194 | 74.3% | $709,700 |
Source: U.S. Census Bureau QuickFacts. Population is the July 1, 2025 estimate. Income, homeownership and home value are American Community Survey 2020–2024 five-year estimates, in 2024 dollars. These are Census figures for the whole area and are not a substitute for a comparative market analysis of a specific address. Get a real number for your house →
Before you offer
What to know here
- Walkability to the platform is priced inTwo similar houses a mile apart can differ meaningfully on how far you walk to Regional Rail. It holds value when the market cools, too.
- District lines cut through townsLower Merion, Haverford, Radnor and Tredyffrin boundaries do not follow the town names. Ardmore and Wayne each sit in two districts. Verify by address.
- Transfer tax varies by townshipLower Merion and Haverford Township are 2%. Radnor and Tredyffrin are 2.5%. On an $800,000 sale that is a $4,000 swing.
- Inventory is thin at every price pointWell-prepared houses go quickly here. Be fully pre-approved and able to tour the same week, or you will lose the ones you like.
Where to look
Neighborhoods worth knowing
The places buyers ask about by name, and what each one is actually trading on.
Narberth
Its own borough inside Lower Merion, about a mile square, with a walkable downtown and its own civic identity. Lower Merion School District. Small, tight and rarely soft.
Ardmore
The commercial center of the eastern Main Line, with Suburban Square, the train and Lancaster Avenue. Worth knowing that Ardmore sits in both Lower Merion and Haverford Townships, which means two different school districts depending on the side of the line.
Bryn Mawr
The college, the hospital and one of the busier stations. Large stone houses on deep lots alongside apartments and condos near the village. Split between Lower Merion and Radnor Townships.
Haverford and Havertown
Haverford College sits on the line, but the bulk of Haverford Township is the dense, consistent twin-and-colonial market to the south with an 87% homeownership rate. The highest ownership rate of the four townships and the most approachable pricing.
Villanova and Radnor
Villanova University, the Radnor Township School District and the King of Prussia corridor within reach. The highest median home value of the four townships. Note Radnor's 2.5% transfer tax.
Wayne
Arguably the best downtown on the line, straddling Radnor and Tredyffrin, which again means two school districts. Historic stock in the borough core and larger properties north and west.
Gladwyne and Penn Valley
The high end of Lower Merion. Large lots, long driveways, no train station in Gladwyne itself. Buyers here are choosing land and district over walkability.
Devon, Berwyn and Tredyffrin
The Chester County end. Tredyffrin-Easttown School District, a mix of older stone and newer construction, and the Great Valley corporate corridor nearby. Tredyffrin also charges 2.5% transfer tax.
The character of the place
What living in Main Line is actually like
Walkability to the platform is the single most consistent premium on this corridor, and it is one of the few that holds up when the market cools. Two similar houses a mile apart can differ meaningfully on how far you walk to the train, and that gap does not close in a slow year.
The housing is old and the systems are old with it. Knob and tube wiring, buried oil tanks, slate roofs and stone foundations are all common. Use specialists for the inspection rather than relying on a generalist, particularly for the roof and the oil tank question.
Inventory is thin at every price point. A well-prepared house in a district people are targeting does not linger. Be fully pre-approved and genuinely able to tour the same week, or you will spend the year losing the houses you liked.
Getting around and getting settled
Commute, schools and work
The commute
The Paoli/Thorndale line is the spine, with stations at Overbrook, Merion, Narberth, Wynnewood, Ardmore, Haverford, Bryn Mawr, Rosemont, Villanova, Radnor, St. Davids, Wayne, Strafford, Devon, Berwyn, Daylesford and Paoli. Scheduled off-peak runs to Suburban Station are roughly twenty-eight minutes from Ardmore, thirty-two from Bryn Mawr, thirty-nine from Radnor and fifty-four from Paoli. Peak expresses are faster.
The Norristown High Speed Line also serves Radnor, Villanova and Bryn Mawr, connecting to 69th Street and the Market-Frankford Line, and the weekday-only Cynwyd Line serves Bala Cynwyd. By car, Lancaster Avenue runs the length of the corridor and the Schuylkill Expressway and Blue Route handle the rest.
Schools, healthcare and employers
Four townships, four school districts: Lower Merion School District, the School District of Haverford Township, Radnor Township School District and Tredyffrin-Easttown School District. These are the districts people relocate across county lines for, and the boundaries cut through towns rather than following them, so verify the district for the exact address every time.
Main Line Health is the dominant health system, operating Lankenau Medical Center in Wynnewood, Bryn Mawr Hospital, Paoli Hospital and Bryn Mawr Rehab. The corridor also carries an unusual density of higher education: Villanova, Bryn Mawr College, Haverford College, Saint Joseph's and Rosemont College.
Rail times are scheduled off-peak service to Suburban Station and are approximate. Weekday peak expresses run faster on the outer stations, so check the current SEPTA timetable for the station you care about. School district boundaries do not follow municipal lines; verify the district for a specific address before you rely on it.
Common questions
Main Line questions I get asked
What is the transfer tax on the Main Line?
Which school district will my address be in?
Is the Main Line one market or several?
What goes wrong on inspections here?
How competitive is it right now?
Coverage
Towns I work in Main Line
Ardmore, Bryn Mawr, Haverford, Wayne, Villanova, Narberth, Rosemont, Gladwyne, Bala Cynwyd, Devon, Berwyn
Main Line listings
Every active listing in Lower Merion, Haverford, Radnor & Tredyffrin on Bright MLS, updated through the day. Search it yourself, or have new matches emailed to you as they hit.
Free area guide
The Main Line guide
What is actually selling in Main Line, current days on market, price bands by town, the fees specific to Lower Merion, Haverford, Radnor & Tredyffrin, and the things buyers here get surprised by. Free, and I will not call you unless you ask me to.
Next step
Looking in Main Line?
Tell me the price range and the timeline. I will send what is worth seeing and skip what is not.