
Cornerstone Tequesta Lanai Sunrooms & Patios is a sunroom contractor serving Hobe Sound, FL, building sunroom additions, patio enclosures, and screen rooms for mainland and Jupiter Island properties throughout Martin County. We pull permits through the Martin County Building Department and engineer every project for the salt air, flood exposure, and coastal wind loads that define this stretch of the southeast Florida coast.

Hobe Sound has a large share of older concrete block homes that were built with open lanais or minimal screened enclosures - spaces that sit uncomfortable and unused for much of the year. A proper sunroom addition converts that underused space into a room you can enjoy year-round, with materials chosen for coastal durability rather than just curb appeal.
The Indian River Lagoon and Atlantic Ocean give Hobe Sound its character, but the same waterways push salt air and humidity into every open outdoor space. Enclosing an existing patio creates a protected room that works through mosquito season, summer storms, and the high-heat months that otherwise make outdoor living here impractical.
Properties near the lagoon and the low-lying areas of Hobe Sound deal with no-see-ums and mosquitoes that make evening outdoor time nearly impossible without screening. A well-built screen room with no-see-um mesh rated for coastal conditions keeps the insects out while capturing the breeze that makes this area so appealing to live in.
Many older Hobe Sound homes have concrete slab patios that have served their original purpose but are now sitting in the rain. Converting that existing slab into a fully enclosed room uses the foundation already in place, which saves time and reduces overall project cost while delivering a space that holds up to the local climate.
In Hobe Sound, a room you can only use comfortably during winter is not much of an investment. A fully conditioned four season sunroom connects to your home's air conditioning and stays comfortable even during the wet-season afternoons when temperature and humidity make an unenclosed space miserable. Low-solar-heat-gain glass is standard for this climate.
Jupiter Island properties and the waterfront lots on the mainland often have irregular footprints, setback constraints, and existing landscaping that make standard-size enclosures impractical. A custom design works around those specifics while keeping the ocean or lagoon views that make Hobe Sound properties worth building on in the first place.
Hobe Sound sits in a uniquely demanding spot for outdoor construction. The Indian River Lagoon runs between the mainland and Jupiter Island, and the Atlantic Ocean is just a narrow barrier strip away. That geography means homes here deal with salt-laden air from two directions, high humidity year-round, and a water table that can be very close to the surface near the lagoon. Concrete block homes built in this area in the 1950s through the 1980s were typically finished with original screened enclosures that have aged through decades of these conditions. By now, most of those enclosures have corroded hardware, failing frames, and screen mesh that no longer keeps insects out. A contractor who knows Hobe Sound comes prepared with marine-grade aluminum, stainless steel fasteners, and screen materials rated for saltwater exposure - not hardware store components that will fail within a few years.
Martin County enforces Florida's coastal high-wind building standards, and every permanent sunroom addition or enclosure here must be engineered to meet those requirements before a permit is issued. Homeowners on Jupiter Island face additional exposure considerations given the direct ocean frontage - the Atlantic-facing properties there sit in a higher wind and flood exposure category than most mainland homes. Properties near the Hobe Sound National Wildlife Refuge and along the lagoon corridor also sit in FEMA flood zones that add requirements for elevation and drainage when any new structure is added to a property. Knowing these rules before the design phase - not after - keeps a project on schedule and on budget.
Our crew works throughout Hobe Sound regularly, and we understand the local conditions that affect sunroom contractor work here. Hobe Sound is unincorporated, which means all permits flow through the Martin County Building Department in Stuart rather than through a city office. We know that process and how to prepare a complete submission that does not get kicked back for missing documents - which is a common delay on projects when the contractor is unfamiliar with county versus city permit procedures.
The community runs along US Highway 1 and Bridge Road, the two main corridors that connect the mainland to Jupiter Island and to the towns north and south. We reach properties off both routes regularly - from the older neighborhoods near the commercial stretch of US 1 to the larger waterfront estates on the island side. Jonathan Dickinson State Park sits just south of the community and defines the southern edge of Hobe Sound's residential area. Knowing these landmarks and access routes is part of how we plan material deliveries and crew scheduling.
We also work consistently in neighboring communities on both sides of Hobe Sound. Homeowners in Tequesta, FL to the south share the same coastal wind-load requirements and salt-air exposure that Hobe Sound properties face. And homeowners connecting northward can find our work throughout the Treasure Coast corridor as well - we do not draw hard boundaries at county lines when a customer needs us.
We respond within 1 business day. The first conversation is short - just enough to understand your space, how you want to use it, and which type of enclosure fits your goals. You do not need drawings or a design before you call.
We come to your Hobe Sound property, take measurements, check setbacks and any flood zone or HOA requirements, and walk through your options with you. You receive a written proposal with itemized pricing before we ask for anything else. If cost is a concern, this is the right moment to talk about it openly.
We prepare and submit the full permit application to Martin County, including the engineering drawings required for a coastal wind-rated structure. Permit review in Martin County typically takes several weeks. We factor that into the schedule from the start so it does not catch anyone off guard.
Once the permit is approved, we build - framing, glazing, roofing, and any electrical or HVAC connections. A Martin County building inspector reviews the completed structure. We do a final walkthrough with you before the project is closed out.
We serve the full Hobe Sound area - mainland and Jupiter Island - and handle Martin County permitting from start to finish. Call us or send a message and we will respond within 1 business day.
(561) 954-1589Hobe Sound is an unincorporated community in Martin County, Florida, positioned between Jupiter to the south and Stuart to the north along the southeast coast. The community sits on the mainland side of the Indian River Lagoon, which separates it from Jupiter Island - the narrow barrier island to the east that is consistently ranked among the highest-income communities in the United States. The mainland has a mix of housing built from the 1950s through the 2000s, including older concrete block ranch homes near the US 1 corridor and larger, newer subdivisions farther from the water. Jonathan Dickinson State Park borders the community to the south and gives Hobe Sound a natural boundary that has helped preserve its relatively low density and quiet character. Homeowners here include year-round families, retirees, and a notable share of seasonal residents who arrive from northern states in winter.
The stretch of Jupiter Island accessible from Hobe Sound via Bridge Road includes some of the most valuable residential properties in the country, with large oceanfront and lagoon-front estates on a narrow strip of land where Atlantic exposure is constant. The mainland side has far more diversity in property size and value, ranging from modest homes near US 1 to upscale waterfront properties along the lagoon. Our work in this area spans both sides of the water. Homeowners in nearby Jupiter, FL to the south face similar coastal conditions, as do homeowners in Tequesta, FL, the small waterfront village that sits between Jupiter and the ocean.
We cover all of Hobe Sound and Jupiter Island - call today and we will respond within 1 business day to schedule your on-site assessment.