Hammond Downtown Development District

The Hammond Downtown Development District is devoted to progressing and stimulating business development and diversity. We protect, unite, and rejuvenate the district in order to benefit residents and local commerce; making Downtown a promising place to socialize, do business, and call home.


Hammond Downtown Development District (HDDD) in Hammond, Louisiana is one of three winners of the 2022 Great American Main Street Award (GAMSA), which recognizes communities for their excellence in comprehensive preservation-based commercial district revitalization. The 2022 GAMSA designations, sponsored by The Hartford, were presented at the opening plenary for the Main Street Now Conference in Richmond, VA.

Selected by a national jury of community development professionals and leaders in the fields of economic development and historic preservation, Hammond Downtown Development District is being recognized for their significant historic preservation efforts, vibrant small business environment, and dedication to inclusive, people-centered placemaking.

“Hammond’s commitment to community engagement is key to their success,” said Main Street America President and CEO, Patrice Frey. “Their significant outreach efforts have ensured that the revitalized district is reflective of the diverse residents, business owners, and visitors in the area.”
Downtown Hammond Trick-or-Treat 

The Hammond Downtown Development District (DDD) announces the 4th Annual Downtown Trick-or-Treat! Downtown businesses will pass out candy on Thursday, October 27th from 5:30-7:00 pm. This is a free event open to ghouls and goblins of all ages! Wear your best Halloween costume and get ready for a spook-tacular time.
Starry November Day & Night 

This year’s 17th Annual Starry November event is slated for Night and Day in Historic Downtown Hammond, America Saturday, November 19th from 8am until 8pm. Bring your family and friends to explore, discover, and support our local businesses and merchants, the shining stars of our DDD, as we kick off the holiday season.

Hammond DDD Awarded Preservation Grant for History Exhib... The Hammond Downtown Development District (DDD) is a recipient of the 2022-2023 Histo...
The Hammond DDD and Tangipahoa Chamber of Commerce Host ... The DDD & Tangipahoa Chamber took over Lion Up Tuesday on October 4th by promoting loc...
Railroad Park Grand Opening The Railroad Park is officially open!  The grand opening of Railroad Park took place o...
Hammond is a standout during National Main Street Confer... Main Street America holds its National Main Street Now conference annually. The Main S...
DDD Director earns Main Street America Revitalization Pr... Announced during the closing session of the National Main Street Conference in Richmon...
2021 Annual ReportRead the full annual report here.

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The Hammond Downtown Development District has been designated as an accredited Main Street™ program for meeting rigorous performance standards. Each year, Main Street America and its partners announce the list of accredited programs to recognize their exceptional commitment to preservation-based economic development and community revitalization through the Main Street Approach™.

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The Hammond DDD’s performance is annually evaluated by Louisiana Main Street which works in partnership with Main Street America to identify the local programs that meet 10 national performance standards. Evaluation criteria determines the communities that are building meaningful and sustainable revitalization programs and include standards such as, fostering strong public-private partnerships, documenting programmatic progress, and actively preserving historic buildings. The Hammond DDD is one of only 25 cities in the state of Louisiana; and the only city in Tangipahoa Parish to receive this distinction.

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