2520 Mill Bridge Rd

New Castle, PA 16101

$200,000
Price
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Description

Slippery Rock Township has no formal zoning ordinances, the site has remained a highly versatile piece of real estate. The property—encompassing the 13,000-square-foot school building, a large 46'x64' detached garage, and roughly 7.5 acres of land—recently hit the market again for $200,000. The outdoor baseball diamond remained an active field for local youth sports leagues. Today, it stands as a preserved piece of early 20th-century Lawrence County educational architecture. History of the property:...Slippery Rock Township has no formal zoning ordinances, the site has remained a highly versatile piece of real estate. The property—encompassing the 13,000-square-foot school building, a large 46'x64' detached garage, and roughly 7.5 acres of land—recently hit the market again for $200,000. The outdoor baseball diamond remained an active field for local youth sports leagues. Today, it stands as a preserved piece of early 20th-century Lawrence County educational architecture. History of the property: The building at 2520 Mill Bridge Road in New Castle, Pennsylvania (nestled in Slippery Rock Township, Lawrence County) holds a rich history as a central hub for rural education, shifting over its century-long lifespan from a consolidated township school to a commercial storage site, and even a local music venue. The story of the school unfolds across several distinct eras:
1. The Consolidation Era (1928–1929)
By the late 1920s, the Slippery Rock Township school board realized that the old, two-room brick schoolhouse down the road (built around 1876 at the corner of Firehall and Mill Bridge Roads) could no longer handle the growing student population. In May 1928, construction began on a new, modern consolidated facility at the 2520 Mill Bridge Road site. Designed by architect Albert L. Thayer, the architecturally striking 13,000-square-foot brick building featured eight primary classrooms wrappered around a central gymnasium and stage. The new school opened its doors to 123 students in early January 1929 and was formally dedicated on January 24, 1929. While known locally as the "New" Princeton School , it officially functioned as the Slippery Rock Township High School . At its opening, approximately 50 of the enrolled students were in the high school grade levels.
2. The Elementary Years & Transition (1955–1978)
The structural landscape of local education shifted heavily in July 1955 when Slippery Rock Township joined the newly formed Laurel Joint School District . With high school students progressively reassigned to larger consolidated regional facilities, the Princeton School transitioned to serving primarily as a community elementary school. It anchored the local neighborhood children here for another two decades. By the late 1970s, the Laurel School District began constructing a massive, unified elementary school complex to centralize the region's education. Recognizing that the Princeton School's days were drawing to a close, the district sold the building for $50,100 in June 1978. It remained in active service for just a few more months, finally closing its doors forever as an active public school in December 1978 when the new Laurel Elementary School officially opened.
3. Adaptive Reuse: From Coal to the "School of Rock"
In early 1979, the property entered the private sector when the Carlson Mining Company acquired it. The company used the former classrooms for administrative office spaces and utilized the extensive acreage and detached garage infrastructure for storage. Several rooms were also subdivided and leased to other local businesses. Despite becoming a commercial property, the site retained its deep ties to the community: The outdoor baseball diamond remained an active field for local youth sports leagues. In 2006, the building took on a colorful new identity when the central gymnasium began hosting local music concerts, earning the affectionate neighborhood moniker "The Princeton School of Rock."
  1. Listed by HOWARD HANNA REAL ESTATE SERVICES

Property Details for 2520 Mill Bridge Road

Zoning
None
LISTING UPDATED: 06/12/2026 12:00 PM

Property Details for 2520 Mill Bridge Road

StatusActive
MLS #1759626
Days on Market44
Taxes$4,459 / year
HOA Fees-
Condo/Co-op Fees-
Property TypeOther
MLS TypeFarm-Acreage-Lot / Com Land (5 Acres or More)
Year Built1928
Lot Size7.48 AC / 325,828 SF
CountyLawrence County
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Location

Listing Courtesy of HOWARD HANNA REAL ESTATE SERVICES
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Building Information for 2520 Mill Bridge Road

Stories-Residences-Year Built1928Lot Size7.48 AC / 325,828 SF

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$1,388 per month

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$1,017

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Property Information for 2520 Mill Bridge Road

Summary
Location and General Information
  • City Name: New Castle
  • Postal Code: 16101
  • County Or Parish: Lawrence
  • County M 360: Lawrence
  • State Or Province: Pennsylvania
  • Directions: From New Castle, 422 East to R on Mill Bridge Road, Property on Left
  • Public Transportation: No
  • Frontage: 743.0
Taxes and HOA Information
  • Map Num Block Num Lot Num Info: 32-016400
  • Taxes: $4,459
School Information
  • School District: Laurel
  • School Transportation: Yes
Property
Lot Information
  • Acres: 7.48
  • Depth: 999.0
  • Type of Property: Com Land (5 Acres or More), Commercial Lot, Res Land (5 Acres or More), Residential Lot
  • Area: Slippery Rock Twp - LAW
  • Construction: Brick
  • Building: old school and garage
Property and Assessments
  • Terrain: Level
  • Assessment Value: $174,600
  • Year Built Numeric: 1928
  • Disclaimer: Information Deemed Reliable, But Not Guaranteed
  • Photo Count: 46
  • Possession: Closing
  • Uses: No Zoning
  • Access: City
Interior and Exterior Features
Interior Features
  • Baths Total: 0.0
  • Insulation: Unknown
Rental
Rental Information
  • Tenant Occupied: No

Property History for 2520 Mill Bridge Road

DateEvent & SourcePriceAppreciation
Jun 12, 2026

Listed (Active)

WPMLS #1759626

$200,000—
DateEvent & SourcePrice
06/12/2026

Listed (Active)

WPMLS #1759626

$200,000

For completeness, we often displays two records for one sale: the MLS record and the public record.

Schools near 2520 Mill Bridge Road

This home is within Laurel School District.
Rating
School
Type
Grades
Distance
Laurel El School
Public - K to 6
Laurel Middle School
Public - 7 to 8
Laurel Junior-Senior High School
Public - 9 to 12
Rating
School
Distance
Laurel El School
PublicK to 6

Laurel Middle School
Public7 to 8

Laurel Junior-Senior High School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 2520 Mill Bridge Road, New Castle, PA 16101

2520 Mill Bridge Road is for sale in New Castle, PA 16101. This property was listed for sale on June 12, 2026 by HOWARD HANNA REAL ESTATE SERVICES, it's currently listed at $200,000. This listing's school district is Laurel School District. Nearby schools include Laurel El School, Laurel Middle School and Laurel Junior-Senior High School. 2520 Mill Bridge Road is a 0-bed, 0-bath, built in 1928.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of HOWARD HANNA REAL ESTATE SERVICES

The information is being provided by West Penn Multi-List, Inc. Information deemed reliable, but not guaranteed. Information is provided for consumers' personal, non-commercial use, and may not be used for any purpose other than the identification of potential properties for purchase. Copyright 2026 West Penn Multi-List, Inc.. All Rights Reserved. Last Updated: 06/12/2026 12:00 PM