# 21 Extension St, Mansfield, PA 16933 > **TL;DR:** 4bd/2ba single family, $149,900 ($59/sqft), built 1901, 2,535 sqft. > 1-car garage. Est. $802/mo. Listed 22 days. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $149,900 | | Price/sqft | $59 | | Bedrooms | 4 | | Bathrooms | 1 full, 1 half | | Square Feet | 2,535 | | Year Built | 1901 | | Lot Size | 6,098 sqft (0.14 acres) | | Garage | 1-car | | Property Type | Single Family (Other) | | Status | Active | | Days on Market | 22 | ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $758 | | Estimated Insurance | $44 | | **Total** | **$802** | ## Key Amenities - 1-car garage ## Property Highlights - Built in 1901 - 0.14 acre lot ## Description ### Agent Description MANSFIELD OPPORTUNITY! Large two-story home conveniently located in the quaint town of Mansfield, offering plenty of space and potential for restoration. This property is ready for someone with a vision to bring it back to life and create a home that fits their needs and style. The generous layout provides numerous possibilities for renovation and personalization. Conveniently located near the new walk path and close to downtown Mansfield, local shops, restaurants, schools, and community amenities. A great opportunity for a buyer looking for a restoration project in a desirable small-town location. Bring your ideas and make this property your own ## Location - **Address:** 21 Extension St, Mansfield, PA 16933 - **County:** Tioga - **Coordinates:** 41.8103183, -77.0749136 - **Google Maps:** https://www.google.com/maps?q=41.8103183,-77.0749136 ## Virtual Tour & Media - **Video Tour:** tour.usamls.net/21-Extension-St-Mansfield-PA-16933/unbranded ## Listing Agent - **Name:** Nancy Furlong - **Brokerage:** Penn Oak Realty Mansfield - **Broker Phone:** 5704634300 - **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/21-Extension-St_Mansfield_PA_16933_M31081-45127?f=listhub&s=NCPBORPA&m=31728362&c=propsimple) ## Photos ![21 Extension St - Photo 1](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f2516190781r.jpg) ![21 Extension St - Photo 2](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f1984535176r.jpg) ![21 Extension St - Photo 3](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3784271007r.jpg) ![21 Extension St - Photo 4](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f277653901r.jpg) ![21 Extension St - Photo 5](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f709026669r.jpg) ![21 Extension St - Photo 6](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f655174320r.jpg) ![21 Extension St - Photo 7](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f1978088703r.jpg) ![21 Extension St - Photo 8](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f2593348015r.jpg) ![21 Extension St - Photo 9](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f1988948620r.jpg) ![21 Extension St - Photo 10](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f2489494241r.jpg) ![21 Extension St - Photo 11](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f809138275r.jpg) ![21 Extension St - Photo 12](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f1849294995r.jpg) ![21 Extension St - Photo 13](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3556842854r.jpg) ![21 Extension St - Photo 14](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f937012176r.jpg) ![21 Extension St - Photo 15](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f534510908r.jpg) ![21 Extension St - Photo 16](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3944770814r.jpg) ![21 Extension St - Photo 17](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3148346309r.jpg) ![21 Extension St - Photo 18](http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3400032r.jpg) --- **MLS#:** 31728362 | **Updated:** 2026-10-21 **Source:** listhub *Copyright © 2026 Northern Mountains of Pennsylvania MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.* [View on PropertySimple](https://www.propertysimple.ai/listing/21-extension-st-mansfield-pa-16933-0b2d343ceddd4a9bb2ef459f1930fe4e) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://www.propertysimple.ai/listing/21-extension-st-mansfield-pa-16933-0b2d343ceddd4a9bb2ef459f1930fe4e#listing", "url": "https://www.propertysimple.ai/listing/21-extension-st-mansfield-pa-16933-0b2d343ceddd4a9bb2ef459f1930fe4e", "name": "21 Extension St, Mansfield, PA 16933", "description": "MANSFIELD OPPORTUNITY! Large two-story home conveniently located in the quaint town of Mansfield, offering plenty of space and potential for restoration. This property is ready for someone with a vision to bring it back to life and create a home that fits their needs and style. The generous layout provides numerous possibilities for renovation and personalization. Conveniently located near the new walk path and close to downtown Mansfield, local shops, restaurants, schools, and community amenities. A great opportunity for a buyer looking for a restoration project in a desirable small-town location. Bring your ideas and make this property your own", "image": [ "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f2516190781r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f1984535176r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3784271007r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f277653901r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f709026669r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f655174320r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f1978088703r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f2593348015r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f1988948620r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f2489494241r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f809138275r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f1849294995r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3556842854r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f937012176r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f534510908r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3944770814r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3148346309r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3400032r.jpg" ], "primaryImageOfPage": { "@type": "ImageObject", "url": "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f2516190781r.jpg", "caption": "21 Extension St - Mansfield, PA" }, "datePosted": "2026-10-05", "dateModified": "2026-10-21T13:24:40.260Z", "mainEntity": { "@type": "Accommodation", "@id": "https://www.propertysimple.ai/listing/21-extension-st-mansfield-pa-16933-0b2d343ceddd4a9bb2ef459f1930fe4e#property", "name": "21 Extension St, Mansfield, PA 16933", "address": { "@type": "PostalAddress", "streetAddress": "21 Extension St", "addressLocality": "Mansfield", "addressRegion": "PA", "postalCode": "16933", "addressCountry": "US" }, "geo": { "@type": "GeoCoordinates", "latitude": 41.8103183, "longitude": -77.0749136 }, "image": [ "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f2516190781r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f1984535176r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3784271007r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f277653901r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f709026669r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f655174320r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f1978088703r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f2593348015r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f1988948620r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f2489494241r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f809138275r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f1849294995r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3556842854r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f937012176r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f534510908r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3944770814r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3148346309r.jpg", "http://lh.rdcpix.com/a7b567c2fcdf931ea12804b59383e91bl-f3400032r.jpg" ], "identifier": { "@type": "PropertyValue", "propertyID": "MLS", "value": "31728362" }, "accommodationCategory": "Other", "numberOfBedrooms": 4, "numberOfBathroomsTotal": 2, "numberOfFullBathrooms": 1, "numberOfPartialBathrooms": 1, "floorSize": { "@type": "QuantitativeValue", "value": 2535, "unitCode": "FTK", "unitText": "square feet" }, "yearBuilt": 1901, "amenityFeature": [ { "@type": "LocationFeatureSpecification", "name": "Heating", "value": "Natural Gas, Forced Air" } ], "additionalProperty": [ { "@type": "PropertyValue", "name": "Lot Size", "value": "0.14 acres" }, { "@type": "PropertyValue", "name": "Garage Spaces", "value": 1 }, { "@type": "PropertyValue", "name": "Property Subtype", "value": "Other" } ] }, "offers": { "@type": "Offer", "@id": "https://www.propertysimple.ai/listing/21-extension-st-mansfield-pa-16933-0b2d343ceddd4a9bb2ef459f1930fe4e#offer", "url": "https://www.propertysimple.ai/listing/21-extension-st-mansfield-pa-16933-0b2d343ceddd4a9bb2ef459f1930fe4e", "price": 149900, "priceCurrency": "USD", "businessFunction": "http://purl.org/goodrelations/v1#Sell", "availability": "https://schema.org/InStock", "seller": { "@id": "https://www.propertysimple.ai/listing/21-extension-st-mansfield-pa-16933-0b2d343ceddd4a9bb2ef459f1930fe4e#agent" } }, "provider": { "@type": "Person", "@id": "https://www.propertysimple.ai/listing/21-extension-st-mansfield-pa-16933-0b2d343ceddd4a9bb2ef459f1930fe4e#agent", "name": "Nancy Furlong", "worksFor": { "@type": "Organization", "@id": "https://www.propertysimple.ai/listing/21-extension-st-mansfield-pa-16933-0b2d343ceddd4a9bb2ef459f1930fe4e#brokerage", "name": "Penn Oak Realty Mansfield", "telephone": "5704634300" } } } ```