Every new Connecticut business filing, every day2 home builder businesses recently registered in Westport, Connecticut.
Updated August 19, 2026 · Most recent business filing May 5, 2025

Every new Connecticut filing, every day
See how it worksThis page lists new home builder businesses registered in Westport, Connecticut. We currently track 2, sourced directly from the Connecticut Division of Corporations and refreshed daily as new home builder companies file.
Recent additions include SIR Development and SIR Development. The most recent home builder business filing was on May 5, 2025.
Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to home builder businesses in Westport, this is one of the freshest prospect lists in the market.
SIR Development is a luxury residential home builder based in Westport, CT, specializing in custom 'Signature Homes' with high-end craftsmanship and finishes. The LLC SIR-8 Pleasant Valley, LLC is the entity behind a specific project at 8 Pleasant Valley Lane in Westport, as shown on the SIR Development portfolio page. The company is operated by Julie and Robert Haroun, who are listed as principals on the filing and whose names appear on the SIR Development website.
SIR Development is an award-winning luxury home builder based in Westport, CT, operating from 943 Post Road East. The business is led by Julie Haroun and the Haroun Family Trust, and its website showcases custom residential construction services. The LLC filing for 'SIR-10 Wakenor' corresponds to a specific project at 10 Wakenor Road in Westport, as evidenced by real estate listings and a local news article about a house demolition at that address.
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