--- title: Wilmington: Information Sheets | OpenBook Local url: https://theopenbooklocal.com/wilmington/ updated: 2026-10-29 --- Skip to content [OpenBook *Local*](https://theopenbooklocal.com/) More useful information before you make the call. - [Home](https://theopenbooklocal.com/) - [Wilmington](https://theopenbooklocal.com/wilmington/) - [Methodology](https://theopenbooklocal.com/methodology/) - [For businesses](https://theopenbooklocal.com/claim/) 1. [Home](https://theopenbooklocal.com/) 2. [Delaware](https://theopenbooklocal.com/delaware/) 3. [Wilmington](https://theopenbooklocal.com/wilmington/) City overview · New Castle # Wilmington: Local Business Information Sheets 14 reports on Wilmington businesses. Pick a service to compare prices, policies and the details each business hasn't shared. - Updated **October 29, 2026** - **14** reports - [Methodology](https://theopenbooklocal.com/methodology/) ## Section 1 Reports in Wilmington Each report compares the same 22 fields for every business, in alphabetical order, and marks what each one hasn't told us. Wilmington reports | Service | Type | Area | |---|---|---| | [AC Repair](https://theopenbooklocal.com/wilmington/ac-repair/) | Job report | City-wide | | [Air Duct Cleaning](https://theopenbooklocal.com/wilmington/air-duct-cleaning/) | Job report | City-wide | | [Air Duct Cleaning Companies](https://theopenbooklocal.com/wilmington/air-duct-cleaning-companies/) | Information report | City-wide | | [Auto repair shops](https://theopenbooklocal.com/wilmington/auto-repair-shops/) | Information report | City-wide | | [Brake repair shops](https://theopenbooklocal.com/wilmington/brake-repair-shops/) | Information report | City-wide | | [Furnace & Heating Repair](https://theopenbooklocal.com/wilmington/furnace-repair/) | Job report | City-wide | | [HVAC Contractors](https://theopenbooklocal.com/wilmington/hvac-contractors/) | Information report | City-wide | | [Pest control companies](https://theopenbooklocal.com/wilmington/pest-control-companies/) | Information report | City-wide | | [Plumbers](https://theopenbooklocal.com/wilmington/plumbers/) | Information report | City-wide | | [Roofing Contractors](https://theopenbooklocal.com/wilmington/roofing-contractors/) | Information report | City-wide | | [Tire shops](https://theopenbooklocal.com/wilmington/tire-shops/) | Information report | City-wide | | [Transmission repair shops](https://theopenbooklocal.com/wilmington/transmission-repair-shops/) | Information report | City-wide | | [Water damage restoration companies](https://theopenbooklocal.com/wilmington/water-damage-restoration-companies/) | Information report | City-wide | | [Window installers](https://theopenbooklocal.com/wilmington/window-installers/) | Information report | City-wide | ## Public data Local facts: New Castle costs, homes and rules Official figures behind our Wilmington reports. Each row names its source and period. Local facts: Wilmington | Fact | Figure | Period | Source | |---|---|---|---| | People per square mile | 6,747 | 2025 | [Calculated from U.S. Census Bureau 2025 estimates and Gazetteer land area](https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html) | | Land area | 10.9 sq mi | 2025 | [U.S. Census Bureau, 2025 Gazetteer files](https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html) | | Wilmington residents | 73,512 | July 1, 2025 | [U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025)](https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html) | | Population change since 2020 | +3.7% (from 70,916 (April 2020 base)) | 2020–2025 | [U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025)](https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html) | Figures from public sources. Sample figures show what our live public-data feed will fill in; they are not real counts. ## Section 2 How to use these reports 1. **Compare the same fields.** Price range, deposit, warranty and payment terms sit side by side for every business. 2. **Read the gaps.** A *Not provided* label is the question to ask before you sign. 3. **Check the license yourself.** The state's license lookup is free; each sheet shows when we last checked. ## Questions about Wilmington Which services does OpenBook Local cover in Wilmington? HVAC Contractors, Air Duct Cleaning Companies, AC Repair, Furnace & Heating Repair. How are Wilmington businesses chosen? Every active business with enough public data is listed, so you can compare them on the same fields. [OpenBook *Local*](https://theopenbooklocal.com/) Information sheets on local businesses. Every field shows where it came from, and anything a business hasn't told us is marked Not provided instead of being filled in. ## Browse - [All reports](https://theopenbooklocal.com/) - [Request quotes](https://theopenbooklocal.com/quote/) ## How we work - [About OpenBook Local](https://theopenbooklocal.com/about/) - [Methodology](https://theopenbooklocal.com/methodology/) - [Corrections](https://theopenbooklocal.com/corrections/) - [How we make money](https://theopenbooklocal.com/how-we-make-money/) - [Data sources](https://theopenbooklocal.com/data-sources/) - [Privacy](https://theopenbooklocal.com/privacy/) - [Terms](https://theopenbooklocal.com/terms/) - [Contact us](https://theopenbooklocal.com/contact/) ## Businesses - [Claim your sheet](https://theopenbooklocal.com/claim/) - [Supply information](https://theopenbooklocal.com/claim/#supply) - [Correct a sheet](https://theopenbooklocal.com/corrections/) Sheets are rechecked at least every 90 days. Paying for a profile never removes accurate negative facts or *Not provided* labels. © 2026 OpenBook Local