# 129 Southaven Avenue, Mastic, NY 11950 > **TL;DR:** 3bd/2ba single family, $699,900 ($417/sqft), built 2026, 1,677 sqft. > Fireplace, A/C, 1-car garage. Est. $3,743/mo. Listed 58 days. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $699,900 | | Price/sqft | $417 | | Bedrooms | 3 | | Bathrooms | 2 full | | Square Feet | 1,677 | | Year Built | 2026 | | Lot Size | 11,761 sqft (0.27 acres) | | Garage | 1-car | | Property Type | Single Family (Single Family Residence) | | Status | Active | | Days on Market | 58 | ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $3,539 | | Estimated Insurance | $204 | | **Total** | **$3,743** | ## Nearby Schools - **Elementary:** Nathaniel Woodhull Elementary School - **Middle:** William Paca Middle School - **High:** William Floyd High School ## Key Amenities - Fireplace - A/C - 1-car garage ## Property Highlights - Built in 2026 - 0.27 acre lot - Fireplace ## Description ### Agent Description To be built Raised-Ranch with actual model to preview. There's nice 30 or 40 year old homes or....New Modern Custom home features hardwood floors throughout. Crown molding, chair rail and shadow boxes in the living room, dining room and hallway leading to bedrooms.Living room with Fireplace, Ceramic and Porcelin Tiles in the bathrooms. Recessed lighting, Finished room over garage ( F.R.O.G.) white soft closed kitchen cabinets with stainless steel appliances and island Peninsula. Full basement with outside entrance and egress. ## Location - **Address:** 129 Southaven Avenue, Mastic, NY 11950 - **County:** Suffolk County - **Coordinates:** 40.798129, -72.843605 - **Google Maps:** https://www.google.com/maps?q=40.798129,-72.843605 ## Listing Agent - **Name:** C Reade R. Stewart - **Brokerage:** BrookHampton Realty - **Broker Phone:** (631) 878-0500 - **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/129-Southaven-Ave_Mastic_NY_11950_M45150-76673?f=listhub&s=MLSLINY&m=1046895&c=propsimple) ## Photos ![129 Southaven Avenue - Photo 1](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f646515273r.jpg) ![129 Southaven Avenue - Photo 2](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f967406534r.jpg) ![129 Southaven Avenue - Photo 3](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f1598177618r.jpg) ![129 Southaven Avenue - Photo 4](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f3973686908r.jpg) ![129 Southaven Avenue - Photo 5](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f2899059059r.jpg) ![129 Southaven Avenue - Photo 6](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f1186726848r.jpg) ![129 Southaven Avenue - Photo 7](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f696666698r.jpg) ![129 Southaven Avenue - Photo 8](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f1300568982r.jpg) ![129 Southaven Avenue - Photo 9](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f1784463323r.jpg) ![129 Southaven Avenue - Photo 10](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f1760005982r.jpg) ![129 Southaven Avenue - Photo 11](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f1584315350r.jpg) ![129 Southaven Avenue - Photo 12](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f2063129133r.jpg) ![129 Southaven Avenue - Photo 13](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f725340327r.jpg) ![129 Southaven Avenue - Photo 14](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f2564797084r.jpg) ![129 Southaven Avenue - Photo 15](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f735489793r.jpg) ![129 Southaven Avenue - Photo 16](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f2403491963r.jpg) ![129 Southaven Avenue - Photo 17](http://lh.rdcpix.com/5d65d323f9265f6539e5dce84c6b0c24l-f4179028123r.jpg) --- **MLS#:** 1046895 | **Updated:** 2026-10-23 **Source:** listhub *Copyright © 2026 OneKey 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/129-southaven-avenue-mastic-ny-11950-5254ea287d094fabb5b73f3750bea6a6) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://www.propertysimple.ai/listing/129-southaven-avenue-mastic-ny-11950-5254ea287d094fabb5b73f3750bea6a6#listing", "url": "https://www.propertysimple.ai/listing/129-southaven-avenue-mastic-ny-11950-5254ea287d094fabb5b73f3750bea6a6", "name": "129 Southaven Avenue, Mastic, NY 11950", "description": "To be built Raised-Ranch with actual model to preview. There's nice 30 or 40 year old homes or....New Modern Custom home features hardwood floors throughout. 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