New construction homes for sale in Martin County, FL

The Martin County, FL boasts a median sale price of $692,450 for properties, according to data from March 2026. This price point reflects the current market of 278 new construction homes, brought to you by 11 reputable developers.

When it comes to new construction homes in Martin County, FL, the names of Mattamy Homes, K. Hovnanian® Homes, D.R. Horton, Pulte Homes and Meritage Homes are prominent. These developers are renowned for their innovative designs and quality construction across several communities.

Martin County School District is the sole public school district serving all of Martin County, operating approximately 18 schools from pre-K through 12th grade. The district is notably smaller than neighboring Palm Beach and St. Lucie county systems, which many families view as an advantage for community cohesion. However, attendance zones still matter — families should verify which specific elementary, middle, and high school feeds from their address directly with the district rather than relying on subdivision marketing. Contact Martin County School District enrollment at their Stuart offices to request written school assignment confirmation for your specific lot address before closing, particularly for new construction communities where the district may not yet have updated its zone maps for recently platted phases.

Martin County's coastal geography creates significant flood zone variation within short distances. Areas in Stuart along the St. Lucie River, waterfront Jensen Beach, Sewall's Point, and Gulf-facing Jupiter Island frequently fall into FEMA Zone V or VE — coastal high hazard zones with wave action risk. Inland and elevated new construction may fall in Zone AE (100-year floodplain) or Zone X (minimal risk). All new construction within a Special Flood Hazard Area requires the lowest finished floor to be a minimum of one foot above Base Flood Elevation, and an Elevation Certificate must be provided before a Certificate of Occupancy is issued. Verify your specific lot's flood zone designation using Martin County's official flood maps before signing your contract.

Martin County is actively converting septic systems to centralized sewer through its "Connect to Protect" initiative, targeting properties near waterways that drain into the Indian River Lagoon. Smaller communities of fewer than 300 homes are being connected via individual grinder station programs; larger communities of more than 300 homes are served by vacuum sewer assessment districts. Some new construction in Martin County connects directly to county sewer at time of build; others remain on septic, potentially subject to future mandatory conversion assessments. Ask your builder whether your specific community is on county sewer at closing, on a future conversion schedule, or on permanent private septic — each carries different long-term cost and maintenance implications.