Lower Merion School District, Montgomery County, PA
Penn Valley
Performance Tier
Exceptional
Median Sold
$1,400,000
Avg. Appreciation
118%
Avg. $ Gain
$809,592
2025 Sales
25
High Activity
Compared to the Lower Merion district average, Penn Valley is
outperforming by 77%.
Based on 33 years of public sales records across 2418 neighborhoods in 4 counties.
About
Penn Valley is an unincorporated community within Lower Merion Township, its boundaries demarcated since 1930 by civic association signs featuring a silhouette of William Penn — signs that the Penn Valley Civic Association (PVCA) continues to own and maintain today. The community’s identity consolidated that year when three previously distinct rural localities — ‘Fairview,’ ‘Crow’s Hill,’ and ‘Bowler’s Woods’ — were renamed under one umbrella after local residents formed the PVCA. The residential fabric is rooted in post-World War II suburban development: Percival Roberts’s 539-acre Penshurst dairy farm, whose 75-room Jacobean mansion was demolished in 1939, was largely sold in 1943 to Home Life Insurance Company, subdivided, and built upon — seeding the mid-century detached-home landscape that ZIP code data confirms was built primarily in the 1950s.
Specifications
Home Stock
Penn Valley’s housing stock reflects organic, multi-decade development rather than a single builder’s template. Architectural styles documented in active listing data include French Country estates, brick Colonial Revivals, stone colonials, ranch-style homes, mid-century moderns, and contemporary custom builds constructed as recently as the early 2020s. The most significant pre-residential landmark — Percival Roberts’s 75-room Jacobean-style mansion ‘Penshurst,’ built 1903 — was demolished in 1939; most of the estate’s 539 acres were sold in 1943 to Home Life Insurance Company, subdivided, and built upon, seeding the community’s predominantly mid-century residential fabric. The area designated as Penn Valley also contains Oak Hill Condominiums, a 4-story complex with 449 units completed in 1967, situated along the Schuylkill River.
Location & Access
Conshohocken State Road (PA Route 23), Hagys Ford Road, Old Gulph Road, Montgomery Avenue, Hollow Road, Righters Mill Road. Narberth SEPTA Regional Rail station (Paoli/Thorndale Line) is approximately one mile from the Penn Valley business district on Montgomery Avenue; Merion and Ardmore stations are roughly three miles east and west, respectively. SEPTA bus routes 121 and 44 operate through Penn Valley on weekdays between Center City Philadelphia and Gladwyne. I-76 (Schuylkill Expressway) access via Hollow Road.
Location Anchors
What Makes This Distinct
Penn Valley sends students to Penn Valley Elementary School (one of six LMSD elementary schools, rated A+ by Niche), then to Welsh Valley Middle School, then — based on geography within the community — to either Lower Merion High School or Harriton High School; buyers should verify the specific high school assignment for any individual parcel against the LMSD boundary map, as the split boundary runs through Penn Valley.
For Buyers & Sellers
If You’re Buying
Premium market at $1.4m median. historically strong appreciation. competitive market. high turnover means more inventory.
If You’re Selling
Exceptional appreciation – sellers gained $810k on average. outperforming the district by 77%. properties doubled in value (118% gain). active market (13 day median). median sale price $1400k.
Worth Asking
Have you considered that Penn Valley’s terrain — elevation ranging from 380 feet on the ridge above Welsh Valley Middle School down to the Schuylkill River corridor — means that flood zone exposure varies dramatically street by street, and Lower Merion Township maintains a Floodplain Overlay District mapped against FEMA data; have you pulled the individual parcel flood designation before making an offer on any property near Hollow Road or the river?
Common Questions
Does Penn Valley have a homeowners association (HOA)?
Penn Valley as a whole does not operate under a private HOA with mandatory dues or deed restrictions for single-family homes. The community’s civic organization — the Penn Valley Civic Association (PVCA), founded in the 1930s — is a voluntary membership group. PVCA funds activities including traffic island plantings, pedestrian safety advocacy, a Neighborhood Watch program, tree plantings, park bench donations, and maintenance of the historic Penn Valley entrance signs. The Oak Hill Condominiums complex (449 units, completed 1967) operates its own condominium association. Public sales data for the last 180 days shows no HOA identified for single-family detached transactions in the community.
Which schools serve Penn Valley, and is there a school boundary split at the high school level?
Elementary-age children attend Penn Valley Elementary School (K–4), located at 301 Righters Mill Road, within the Lower Merion School District — the district Niche ranks #1 in Montgomery County with an A+ grade. Middle schoolers feed into Welsh Valley Middle School. For high school, Penn Valley is split: most students who attend Welsh Valley Middle School go on to Harriton High School; however, a designated choice zone exists within the community where incoming 9th graders may choose either Harriton or Lower Merion High School. Buyers who prioritize a specific high school should verify their parcel’s assignment directly against the LMSD boundary map before purchasing.
What is the physical geography of Penn Valley, and does topography affect specific properties?
Penn Valley sits on rolling terrain between Narberth and Gladwyne within Lower Merion Township. The highest point — on the ridge above Welsh Valley Middle School’s playing fields — reaches 380 feet above sea level, from which Center City Philadelphia skyscrapers are visible. The community descends through multiple valleys: Hollow Road follows an old ravine to the Schuylkill River, and Conshohocken State Road drops steeply to a hollow at Mill Creek Road. Properties in the lower-lying portions near the Schuylkill River corridor may fall within Lower Merion Township’s Floodplain Overlay District, established under the FEMA Flood Insurance Study for the township (effective date March 2, 2016). Buyers considering streets near the river or Mill Creek should obtain a parcel-level flood zone determination before proceeding.
Items to Verify with Your Agent
A few specifics on this page are sourced from secondary aggregators or older filings. Confirm before relying:
- Approx Homes — Penn Valley is an unincorporated community covering less than three square miles with organically developed, non-platted residential stock. No single verified total home count was found in authoritative public sources.
- Builder — Development was organic and multi-period. The Penshurst estate land was sold in 1943 to Home Life Insurance Company and subsequently subdivided, but no single named homebuilder responsible for the majority of Penn Valley’s housing stock was identified in research. No builder name should be attributed.
- Hoa Name — No private HOA for single-family homes was found in public sales data or any public source. The Penn Valley Civic Association (PVCA) is a voluntary civic group, not a mandatory-dues HOA. Oak Hill Condominiums has its own condo association, but it is a distinct complex, not a community-wide HOA.
- Interior Sqft Range Text — No verified community-wide square footage range was found. Individual listing examples span roughly 3,300–8,000+ sq ft but these are not statistically representative of all homes.
- Flood Zone Specificity — Lower Merion Township’s Floodplain Overlay District is confirmed along the Schuylkill River corridor, but individual parcel flood zone designations were not verified via FEMA Map Service Center for specific Penn Valley streets. Buyers should conduct parcel-level flood zone lookups.
School District
Penn Valley is served by the Lower Merion School District. Buyers should verify current school assignments directly with the district.
View Lower Merion School District Information
Sources Consulted
Public deed records · Montgomery County Recorder · en.wikipedia.org · pennvalleycivic.org · lmsd.org · niche.com · mainlinehaven.com · lowermerionschooldistrict.com · lowermerionhomes.com · homes.com · ownerly.com · unitedstateszipcodes.org · ecode360.com
Data refreshed: April 25, 2026 (median sold, appreciation, performance tiers, narratives) · Content reviewed: April 25, 2026 (overview, structural insight, FAQs)
The Cyr Team · 2418 neighborhoods · 4 counties · 33 years of public sales records