Delaware Downtown Development Districts: Rebates up to 20% of Qualified Real Property Investment and How to Apply

Delaware's Downtown Development Districts (DDDs) program offers real property investors the potential to recover a portion of their investment costs through rebates administered by the Delaware State Housing Authority. Depending on the size and type of your project, you could receive rebates of up to 20% of qualifying investment in one of Delaware's 15 designated districts. This guide walks you through understanding the program, determining your eligibility, and submitting an application.

What You Need to Know Before Starting

Disclaimer: This article is informational only and is not legal or tax advice. The DDD program involves complex eligibility rules, investment thresholds, and tax implications. Consult a qualified attorney, CPA, or tax professional before committing capital to a DDD project.

How the Program Works

Created under the Downtown Development Districts Act (22 Del. C. Chapter 19), the DDD program is designed to stimulate private investment in designated downtown and mixed-use areas. The state awards rebates based on the amount of qualifying real property investment you make, up to a capped percentage of your investment. Rebates are performance-based, meaning they depend on completion of the project and verification that it meets all program requirements.

The program is not a tax credit or deduction; it is a direct rebate of actual investment costs. The rebate percentage and investment thresholds vary by project size and district.

The 15 Designated Districts

Delaware currently has 15 Downtown Development Districts across the state:

• Original three (2015): Wilmington, Dover, Seaford
• Second wave (2016): Georgetown, Harrington, Laurel, Milford, Smyrna
• Third wave (2019): Clayton, Delaware City, Middletown, New Castle
• Most recent (2026): Claymont, Newport, Millsboro

Each district was designated for a 10-year period with the option to renew for up to two additional 5-year terms. Eligibility depends on whether your property falls within the geographic boundaries of a designated district.

Materials and Requirements You'll Need

Before starting your application, gather these items and verify these conditions:

• Property documentation: Current deed, title commitment, property survey, and proof of property ownership or control
• District verification: Confirmation that your property lies within a designated DDD (check the Delaware Office of State Planning Coordination district map at https://stateplanning.delaware.gov/)
• Project plan and budget: Detailed architectural drawings, cost estimates for all construction and renovation work, and a project timeline
• Investment documentation: Proof of your actual qualified investment, including invoices, payment records, and contractor agreements for eligible work
• Business entity information: Certificate of Incorporation or Certificate of Formation, EIN, and evidence that your entity is properly registered with the Delaware Division of Corporations (https://corp.delaware.gov/)
• Financial documentation: Proof of funds or financing for the project, and personal or business financial statements
• Tax compliance: Federal and Delaware tax return transcripts and proof of current tax compliance
• Preliminary drawings and specifications: Plans showing the before and after condition of the property and the scope of work
• Zoning and municipal approval: Evidence that your project complies with local zoning laws and any required municipal permits or approvals

Requirements vary based on project size (small projects vs. large projects receive different treatment under the program). Confirm the specific documentation needed for your project with the Delaware State Housing Authority before investing money.

Step-by-Step Application Process

Step 1: Verify Your Property Is in a Designated District

This is the most critical step. Your property must be physically located within the boundaries of an active Downtown Development District to be eligible. Visit the Office of State Planning Coordination website or contact them directly to request a district map and confirmation of your property's location. Do not assume eligibility based on the city name alone; district boundaries often cover specific downtown or mixed-use zones, not entire municipalities. Request written confirmation from the state that your parcel is within a district before proceeding.

Step 2: Review Qualified Investment Categories

Not all investment counts toward the rebate. Qualified investment generally means hard construction costs for rehabilitating, expanding or constructing a building in the district. Ineligible costs typically include soft costs (architectural, engineering, permit, legal and similar fees), furniture and equipment, general maintenance and repairs, and site infrastructure. DSHA maintains a detailed list of what does and does not qualify; this classification affects your rebate calculation. Request the current Qualified Investment Guidelines from DSHA before finalizing your budget.

Step 3: Determine the Investment Threshold for Your Project

Rebates are available only for investment above a minimum threshold set by the Delaware State Housing Authority (now branding itself Housing Delaware), which depends on the project category. Contact DSHA at (302) 739-4263 or through its website to confirm the current threshold for your project category. Do not rely on outdated threshold information.

Step 4: Prepare Your Application Package

Assemble all required documentation in the format specified by DSHA. Your application package should include:

• A completed application form (request the current form from DSHA; form requirements change)
• A narrative description of your project, including the business purpose and expected economic benefit
• Proof of property ownership or a commitment to purchase
• Detailed project budget and timeline
• Architectural and engineering drawings or renderings
• Proof that your proposed investment exceeds the district threshold
• Verification of your entity's legal status and tax compliance
• Evidence of zoning compliance and any required local approvals

Submit your application under the DSHA process for your project size. As of this writing, Small Project rebate applications are accepted on a rolling basis from July 15, 2026 until May 30, 2027 or until funding runs out, and Large Project reservations are not currently accepting applications. Confirm the current status and process with DSHA directly.

Step 5: Submit Your Application to DSHA

The Delaware State Housing Authority reviews all DDD applications. Submit your complete package to DSHA by the deadline. Include a cover letter that summarizes your project, your expected investment amount, and the approximate rebate you anticipate based on the percentage guidelines for your project size.

Contact information for DSHA:

• Phone: (302) 739-4263
• Website: https://www.destatehousing.com/build/ddd-program/
• Email: Contact DSHA through their website for current submission procedures

Step 6: Work with DSHA During Review

DSHA staff will review your application for completeness and eligibility. You may be asked to provide additional documentation, clarifications, or revisions. Respond promptly to DSHA requests; delays in providing information can extend the review timeline. Confirm the current review timeline with DSHA.

Step 7: Understand How the Rebate Is Earned

Large Projects compete for a funding reservation in DSHA funding rounds, and the reservation carries conditions set by DSHA. Small Projects apply for the rebate after the investment is finished. Confirm which track applies to your project and what conditions come with it.

Rebates are performance-based: the investment must be completed, paid in full and placed in service before you apply for the rebate. DSHA's small project guidelines also advise contacting the municipality before construction begins, and require the work to be finished within 16 months of the building permit or construction start with no gaps over 60 days.

Step 8: Complete Your Project and Submit Proof of Completion

Perform all construction or renovation work as described in your approved application. Maintain detailed records of all invoices, payment receipts, contractor licenses, and lien releases. Upon project completion, submit proof to DSHA that:

• All work has been completed as approved
• All invoices and payments are documented
• All contractors were properly licensed
• No liens remain against the property
• The project meets or exceeds the investment threshold

DSHA reviews the documentation, and a DSHA inspector inspects the property. DSHA decides the final qualified investment and rebate amount.

Step 9: Receive and Use Your Rebate

Once DSHA verifies that your project meets all conditions, you will receive payment of the approved rebate. The rebate is calculated as a percentage of your qualified investment above the threshold, up to the maximum percentage for your project category. Under the small project guidelines, investors can expect the rebate within 60 days from the date DSHA receives the rebate application and all required documentation.

Consult a CPA or tax professional about how rebate payments are treated for federal and Delaware income tax purposes.

Tips and Common Mistakes to Avoid

Mistake 1: Assuming Your Downtown Address Means You Are in a District

Even if your property is in a downtown area or a city with a designated district, it may fall outside the district's specific boundaries. Always request written confirmation from the state before investing any money. A property two blocks outside the district boundaries is ineligible.

Mistake 2: Miscalculating Qualified Investment

Investors often include costs that do not qualify, such as land acquisition, personal property, or fees to professional advisors. Request the Qualified Investment Guidelines from DSHA and have your accountant or attorney review your cost breakdown before submitting your application. Miscategorizing costs can delay approval or reduce your rebate.

Mistake 3: Missing the Investment Threshold

Rebates apply only to investment above a minimum threshold. If your total qualified investment is below the threshold, you receive no rebate, regardless of how close you come. Calculate your investment carefully and confirm the current threshold with DSHA before committing capital.

Mistake 4: Submitting an Incomplete Application

Missing documentation is the most common cause of delays. Use the DSHA application checklist and verify that every required item is included before submitting. An incomplete application will be returned, adding weeks to your timeline.

Mistake 5: Starting Work Before Checking the Program Rules

The investment must be made after the property was incorporated into a designated district and must exceed the minimum threshold, and DSHA decides final cost eligibility. Confirm district boundaries, site control and the program rules before signing contracts or beginning construction.

Tip: Consult a Specialist

The DDD program involves real property investment, state tax law, and local zoning compliance. Engage an attorney experienced in Delaware real estate law and a CPA familiar with DDD projects early in your planning process. The cost of professional guidance is small compared to the risk of miscalculating investment, missing deadlines, or losing eligibility.

Tip: Document Everything

Keep copies of every invoice, payment receipt, contract, lien release, and change order. DSHA will require these documents to verify your investment. Organized documentation speeds verification and reduces the risk of disputes.

Tip: Stay in Touch with DSHA

If your project timeline changes or you encounter unexpected costs, notify DSHA promptly. The state can often accommodate reasonable modifications to your approved project scope if you request them in advance. Surprises discovered during final verification are harder to resolve.

Expected Results and What to Anticipate

If your application is approved and your project meets all conditions, you can expect to receive a rebate of up to 20% of your qualified investment above the district threshold. This percentage may vary based on your project type and district. The actual rebate amount depends on the scope and cost of your work; the state does not promise a specific dollar amount, as rebates are capped and performance-based.

In fiscal year 2025, Delaware's DDD program awarded rebates to 68 projects (12 large projects and 56 small projects), distributing $8.1 million in state funds. These rebates leveraged an estimated $118.2 million in private investment across the state, according to the state housing authority. This means that on average, each dollar of state rebate attracted approximately $14.60 in private investment, though individual results vary widely.

DSHA does not promise a fixed timeline from application to rebate payment, and large projects or those requiring additional state or local approvals may take longer.

Related State Programs

The state also administers a Commercial Corridor Initiative, announced in July 2026, which complements the DDD program. Check with the Delaware Division of Small Business for details on additional incentives and support for downtown development projects.

Next Steps

1. Contact the Delaware Office of State Planning Coordination to confirm your property is within a designated district (https://stateplanning.delaware.gov/)
2. Request the current Qualified Investment Guidelines and application form from the Delaware State Housing Authority
3. Consult a Delaware real estate attorney and CPA to evaluate the program for your specific project
4. Calculate your projected qualified investment and confirm it exceeds the threshold for your district
5. Assemble your complete application package
6. Submit your application to DSHA before the announced deadline

The Downtown Development Districts program provides meaningful financial support for real property investment in Delaware's downtown and mixed-use areas. By understanding the requirements and following the process carefully, you can position your project for approval and maximize your rebate.