New Castle County · Unincorporated New Castle County · #2026-05-01
1000 GBC Drive
1000 GBC Drive, Newark, DE 19702, Unincorporated New Castle County, DE · 137,900 sq ft non-residential, office · 14.0 acres
About this project
A proposed 137,900 sq ft research and development facility on about 14 acres at 1000 GBC Drive in Newark, unincorporated New Castle County.
Official description: Proposed 137,900 GFA research and development facility
- Owner
- Sunset Lake, LLC
- Engineer / designer
- Dakota Laidman-Murray
- Plan type
- Subdivision
- Land use
- Research and development facility
- Zoning
- OR → OR
- Water
- Artesian
- Sewer
- Municipal
- Status
- Complete
The full picture AI research · Nov 1, 2026
A 137,900 square foot research and development building is proposed at 1000 GBC Drive in Newark, in unincorporated New Castle County. It would sit on about 14 acres. County records list it as an office-type use. This usually means labs and offices for research work, not a factory or a store.
The county's latest filing on the project is dated May 1, 2026. The filing names Sunset Lake, LLC as a firm involved. The records don't say what is on the site today. They also don't say who would use the building.
No news coverage, meeting agendas, hearing notices, developer web pages or opposition were found that clearly refer to this project. This explanation rests on the county records alone.
What it could mean nearby
- Employees and deliveries would add some car and truck trips on GBC Drive and nearby roads. The records don't include a traffic study.
- A building of this size would likely bring research and office jobs. The number of jobs is not stated.
- Roughly 14 acres would be developed. The records don't say how much open space or landscaping would remain.
Where it stands
The project has a county planning filing dated 2026-05-01. No approval or hearing result was found online. A plan like this usually goes through county staff review and agency comments before any required approval or permits are issued.
- May 1, 2026 Latest filing for the project in New Castle County planning records
Want to weigh in? New Castle County's Department of Land Use handles plan review, and the county posts public notices for any hearings. Residents can ask the department about comment opportunities.
Who's behind it
Sunset Lake, LLC
Planning terms explained
- Unincorporated
- Land that lies outside any city or town, so the county government handles planning and zoning.
- Research and development facility
- A building with laboratories and offices where companies test and develop products.
- Filing
- Paperwork a developer submits to the county to start or update a review of its plans.
We searched the web for this project but found nothing beyond the county record, so this explanation is based on the filing alone. Researched by AI from public sources on Nov 1, 2026. It can make mistakes, so check the linked sources and the municipality before relying on it.
Scope estimate for contractors
Estimated construction value: $41.4M
- ~459 roofing squares (assumes 3 stories)
- ~344 tons of cooling (rule of thumb 400 sq ft/ton)