Last updated 2026-08-21
TL;DR
Delaware issues no window-washer trade license. Paid storefront glass work still needs a Division of Revenue business license, plus any city license where you work or keep a shop. A Delaware LLC adds a formation filing and a $300 annual tax set in the LLC Act. Confirm fees and dates with the issuing board. Nobody can honestly guarantee processing time.
What does storefront windows renewal mean in Delaware?
Renewal is not a special washer card. It is the yearly restart of the same business paper you needed on day one, plus any city license and insurance certificate your stops now ask for.
People use the phrase two ways. The first is keeping a storefront windows route legal in Delaware: Division of Revenue license, a city license if the city requires one, entity annual tax if you formed an LLC, and current proof of insurance. The second is replacing the actual storefront glass. That is construction. Permits change. The contractor chapter in Title 30 can enter the picture. Do not mix those files in your head.
Delaware has no window cleaning board. You will not find a storefront washer line among the professional boards. The state still expects you to hold the tax and business licenses that apply to anyone doing business here. [1]
I treat renewal as a calendar habit. Pull every license you hold. Read the expiration printed on it. Confirm the live fee on the issuing site. Pay before it lapses. Mail the current certificate of insurance when a manager asks. That is the work.
If you live in Pennsylvania, Maryland, or New Jersey and drive in for a Wilmington or Newark route, you still trip Delaware paper when you do business here. Crossing a state line does not hide you from the Division of Revenue.
Do you need a license for storefront windows in Delaware?
No statewide trade license exists for washing storefront windows in Delaware. You still need other licenses if you are in business here.
Title 30 of the Delaware Code requires a state license before you carry on occupations and activities the tax code covers. Chapter 21 holds the general license rules. Window washing is not a board trade like plumbing. You still get pulled into the business license system as a service business. Confirm the exact category with the Division of Revenue before you file. Do not guess from a Facebook group. [1]
Swap the squeegee for glass replacement and the file can change. Title 30, Chapter 25 is the contractor chapter. Washing existing glass is not the same as contracting to install a storefront system. Mixing those jobs without asking Revenue is how people buy the wrong license. [3]
Cities add their own paper. Newark, Wilmington, and Dover each run a local license shop. A state license does not automatically satisfy a city clerk. Ask the city where your shop sits and any city where you keep a regular route.
Federal guidance is the same boring advice. The SBA tells you to check state and local lists. There is no national washer card. [15]
What I would do: use Delaware One Stop, say you clean commercial glass from the sidewalk with a water-fed pole, and ask which Revenue category they want. Get the category name in an email. File that. I would not pay a packager to walk a Delaware Revenue license. The form is not exotic.
How much does storefront windows cost in Delaware?
There is no official Delaware price list for washing storefront glass. Nobody publishes a clean statewide average I would trust. Operators bid per stop or as a monthly route. Your real number is whatever a manager will sign, minus drive time, insurance, and tax.
If the question is the cost to stay legal, a few figures are public. Delaware limited liability companies pay a $300 annual tax under 6 Del. C. Chapter 18. [6] The Division of Corporations fee schedule has long listed a $90 Certificate of Formation fee for an LLC. Confirm both on the live fee page before you pay, because the posted schedule controls if the General Assembly or the Division changes a line. [5]
The Division of Revenue business license tax is a different bill. I will not invent your category fee here. Look up the category Revenue assigned you and pay that amount. [1]
Gross receipts tax sits on top of the license for many Delaware businesses. Rates differ by activity. Read the current Chapter 29 framework and the Division's live rate table. Do not copy a rate from an old blog into your bid sheet. [4]
Customer pricing is local and messy. A single-story sidewalk front in Dover is not a high atrium on the Wilmington riverfront. Frequency, parking, water access, and whether you work after hours change the bid more than any national calculator. If you want a comparison of how other states handle the paper side of a route, start with storefront windows renewal in Connecticut and storefront windows renewal in Florida.
What I would not do: publish a fake "average storefront price" and then live inside it. Bid the glass you can see. Raise the number when parking is ugly or the manager wants 6 a.m. service. Leave room for GRT and fuel on I-95.
How long does storefront windows take in Delaware?
No Delaware agency times your stops, and no board publishes a processing clock I would treat as a promise. Confirm current turnaround with the office that has your file. I will not invent a day count.
On the glass itself, a small single-story retail front that you can reach from the sidewalk is often done in well under an hour if you can park and the manager is ready. That is a field observation, not a study. Multi-story glass, interior atriums, after-hours mall work, and anything that needs a lift are different jobs. Plan the site, not a statewide average.
License timing is the part people want guaranteed. You will not get an honest guarantee from me. Revenue, city clerks, and the Division of Corporations post their own queues. Those queues move. A complete online filing is not the same as a paper packet with a mismatch on the entity name.
Build slack. Do not promise a national account you will be legal in three days because a forum said so. File early. Keep PDF copies of every acceptance screen. If a city wants a physical license in the vehicle, wait until you hold it before you sell that city as a weekly route.
Job length also depends on water and access. A pole from the sidewalk is faster than dragging hoses through a busy entry. Ladders add setup and OSHA time. If you leave the ground, the clock is no longer just wipe and rinse. [9][14]
Should you form a Delaware LLC or stay a sole proprietor?
You can wash storefronts as a sole proprietor in Delaware. Many people start that way. An LLC is optional. It is not a washer license.
The Delaware LLC Act is plain on formation. "In order to form a limited liability company, 1 or more authorized persons must execute a certificate of formation," reads 6 Del. C. § 18-201. You file it with the Division of Corporations and pay the fee on the current schedule. [7][5]
Delaware limited liability companies pay a $300 annual tax under 6 Del. C. Chapter 18. [6] That bill arrives whether the route is huge or tiny. Form the LLC and then ignore the annual tax, and you create a mess that costs more than the tax.
I would form the LLC once I had employees, a real monthly book of stops, or a customer that will not cut a check to a person. I would stay a sole proprietor for a weekend test of three doors if I had no employees and cheap insurance. Pass-through tax talk is not a reason to form an entity on day one if you have not landed a route.
Banks and payment apps will ask for an EIN once you look like a firm. The IRS charges $0 to apply for an EIN online. Use the IRS page. Do not pay a reseller. [10]
Name matching matters at renewal. The Revenue license, the city license, the bank account, and the insurance policy should say the same legal name. Mismatched names are how clerks bounce a renewal and a manager holds a check.
How do you get and renew the Division of Revenue business license?
You apply to the Delaware Division of Revenue for the state business license, then you renew it on the cycle printed on that license. Title 30, Chapter 21 holds the general license rules that come before you carry on a licensed activity. [1]
I cannot honestly quote your fee or your due date in this article. Those lines live on the license and on Revenue's current instructions. Confirm both there. Do not trust a year-old screenshot.
The practical path is dull. Form the entity if you are using one. Get the EIN if you need it. Open the One Stop or Revenue business license application. Describe the work in plain words (commercial window cleaning, sidewalk, water-fed pole, no glass installation). Accept the category they assign unless it is obviously the contractor chapter and you do not install anything. Pay. Save the PDF. Print a copy for the glove box if a city or a property manager asks to see it.
Renewal is the same file, later. Start from the account you already have. Do not create a second license because you forgot the login. If you added interior glass, pressure washing, or storefront installation during the year, say so. Silent scope creep is how people end up in Chapter 25 when they thought they were still a cleaner. [3]
Other states run this on different calendars and different boards. If you also keep stops across the line, read storefront windows renewal in California or Storefront windows renewal in Tennessee: licenses, costs, and timelines before you assume Delaware habits travel.
What is a waste of money: paying a national "license service" a few hundred dollars to type the same form you can type. What is not a waste: twenty minutes with Revenue on the phone if the online category list looks wrong.
Which city and county licenses show up for storefront windows work?
State paper is not the end. Several Delaware cities issue their own business licenses. The city where you keep a shop is the first call. The city where you stand on the sidewalk every Tuesday is the second.
Wilmington, Newark, and Dover are the names that come up most. Smaller towns can still have a license or a home-occupation rule if you park the trailer at a house. Counties are less consistent. Do not assume New Castle County copies Wilmington, or that Kent copies Dover.
I am not going to invent those local fees. Call the clerk or open the city's business license page and read the current schedule. Ask whether a mobile cleaner with no storefront still needs the license. Ask whether a state Revenue license is accepted as a substitute (it usually is not).
A simple map of the file looks like this:
| Paper | Issuer | When it shows up | Confirm before you pay |
|---|---|---|---|
| State business license | Division of Revenue | Doing business in Delaware | Category and fee on the live form |
| LLC formation | Division of Corporations | If you form an LLC | Current fee schedule [5] |
| LLC annual tax | Division of Corporations | Every year the LLC exists | $300 in the LLC Act [6] |
| City business license | City clerk or L&I | Shop or regular work in that city | Whether mobile cleaners are listed |
| Workers' compensation | Insurer, Title 19 | Employees | Who counts as an employee [8] |
| EIN | IRS | Banking, payroll, most LLCs | Free IRS application [10] |
Home-occupation fights happen when a neighbor complains about a trailer, early generators, or tanks in the driveway. Zoning is local. I would talk to the town before I built a wash yard behind a house in a quiet subdivision.
If you only pass through a city three times a year for one-off construction cleans, ask before you buy an annual city license you may not need. If you own the Tuesday morning strip on Main Street, buy the license.
What insurance and payroll accounts do you actually need?
Delaware does not hand you a washer badge when you buy insurance. Customers still ask for a certificate. General liability is the one I would buy even as a sole proprietor with no employees. The state may not force that policy on a one-person cleaner. Property managers will.
Workers' compensation is a different statute. Title 19, Chapter 23 is Delaware's workers' compensation law. If you have employees, plan on coverage. Confirm exemptions with the Department of Labor and your carrier before you decide a helper is "just a 1099." Misclassifying a regular helper to dodge the policy is a bad trade. [8]
Unemployment insurance and new-hire reporting show up once you have staff. Register on the labor side, more than at Revenue. Delaware also publishes a state minimum wage. The statutory climb reached $15.00 an hour on January 1, 2025. Confirm the live Department of Labor posting before you print a help-wanted rate, because the posted figure is the one a wage claim will use. [11]
Payroll taxes are federal plus Delaware withholding if you have employees. I am not your accountant. I would not run a first employee on Venmo and hope.
What I would skip: a huge umbrella policy in month one for a sidewalk pole route with no lift work. What I would not skip: GL that names the shopping center as additional insured when the lease or the vendor packet requires it. Read the vendor packet. It is more specific than the statute.
Auto insurance on a personal car used every morning for a route is another quiet hole. Tell the auto carrier you use the vehicle for the route. A denied glass claim after a fender bender is a dumb way to lose a month of stops.
What OSHA rules apply if you leave the sidewalk?
Sidewalk pole work is one job. Ladders, roofs, and bosun chairs are another. OSHA does not write a Delaware washer license. It does write the fall rules that apply once you have employees on a walking-working surface.
29 CFR 1910.28 is the general industry fall rule most storefront work hits. The text is blunt: "the employer must ensure that each employee on a walking-working surface with an unprotected side or edge that is 4 feet (1.2 m) or more above a lower level is protected from falling by one or more of the following." [9]
Four feet is not high. A lot of storefront transom glass sits above that line if you leave the pavement. If you use portable ladders, 29 CFR 1910.23 is the ladder rule. Read it before you make a habit of the third step with a scraper in one hand. [14]
Sole proprietors without employees live in a gray zone people argue about online. I still would not free-climb a Wilmington facade because "OSHA is for companies." Gravity does not care. A hospital bill ends a route faster than a Revenue renewal.
What I would do: keep the route on water-fed poles from the ground as long as the glass allows it. Price a lift and a trained operator when it does not. I would not buy a cheap harness on the internet and call it a fall program. If you have employees at height, you need a real plan, training, and gear that matches 1910.28, not a photo for Instagram.
Interior mall glass and after-hours work add site rules from the property. Those rules can be stricter than OSHA. Follow the stricter one.
Can you put wash water into a Delaware storm drain?
Do not treat a gutter or a storm grate as a free sink. Soapy water, stripper, and razor grit going into a storm drain can land you in discharge trouble under Delaware environmental law and under the federal stormwater program.
7 Del. C. Chapter 60 is the state's environmental control chapter, including permit duties around discharges. Cities that run MS4 stormwater programs also ban illicit discharges into their system. The EPA's NPDES stormwater program is the federal frame those city rules sit in. [13]
I am not saying every cup of pure water on a sidewalk is a felony. I am saying detergent, hydrofluoric cream, and paint-speckled rinse water do not belong in the grate by the curb. Ask the city how they want wash water handled on a commercial block. Some managers will make you recover it. Believe them.
This is the one place a pure-water pole setup is more than a gadget. Less soap means less junk in the gutter. If you want a simple kit for that style of route, StorefrontWash sells a $149 one-time Pure-Water Pole Route Kit. The legal duty does not come from the kit. It comes from the drain in front of the store.
What I would not do: dump a bucket of stripper into a Wilmington alley and call it rain. What I would do: scrape dry, rinse with clean water, and keep chemicals off the block unless the property has a slop sink you can legally use.
What taxes apply to a Delaware storefront windows route?
Delaware does not levy a general retail sales tax. That is a real structural fact of Delaware tax law, not a coupon. You still have other bills.
Gross receipts tax is the one that surprises people who moved from a sales-tax state. Title 30, Chapter 29 is the merchants' license and gross receipts framework. Your rate depends on the category Revenue assigned. Confirm the live rate. I will not plant a stale percentage in this article. [4]
If you formed a Delaware LLC, add the $300 annual tax in the LLC Act. That tax is not GRT. It is a separate Corporations bill. [6]
Federal income tax still exists. Schedule C if you are a sole proprietor. Partnership or corporate returns if the entity requires them. Estimated taxes if you are making real money. None of that is a washer-specific form.
Price the route with GRT in the margin. Ignore it, and you will feel clever until the first annual reconciliation. I would rather bid $5 more per stop than discover the tax after I spent the cash.
Other states stack sales tax on cleaning. Delaware does not. That can help a bid on paper. It does not cancel city licenses or GRT. For a side-by-side feel of how the paper path differs, skim storefront windows renewal in Georgia and storefront windows renewal in Illinois.
Keep invoices clean. Legal name, date, location, what you washed. If Revenue or a city ever asks what the receipts were, you want a boring folder, not a notes app.
If you mean new storefront glass, what paper changes?
Replacing a storefront system is not a wash renewal. It is a construction job. Building permits come from the city or county that owns the code enforcement desk. The drawings, energy code, and egress rules are their file, not Revenue's occupational list.
Title 30, Chapter 25 is the contractor license chapter at the state tax level. If you bid glass replacement, storefront framing, or door hardware, ask Revenue whether you are now a contractor for license purposes. Do not decide that in your truck. [3]
A wash license (meaning your service business license) does not authorize you to pull a commercial opening apart. Property insurance and your GL policy may also exclude installation if you told the carrier you only clean.
I would not take a "while you are here, swap this pane" job unless I held the right license, the right insurance, and a permit if the city wants one. A cracked unit is a product and a leak risk. It is not a squeegee upsell.
If you only wash, put that limit in the proposal in one sentence. It saves arguments when a manager points at a failed seal and a bucket.
What would I skip in year one, and what do I confirm with the board?
I would skip paid license expediters, van wraps, and a lift payment in month one. I would skip any course that sells a fake "Delaware window license." There is no such trade card.
I would not skip the Revenue license, the city question, GL insurance, and a written yes from Revenue on your category. I would not skip the LLC annual tax if I formed the LLC. Delaware limited liability companies pay a $300 annual tax under 6 Del. C. Chapter 18. [6]
Confirm every variable fact with the board that issues the paper. That means the current Revenue category and fee, the current Corporations fee schedule, the city clerk's current license rule, and the Department of Labor's current wage posting. [5][11] Processing time is theirs to state. I will not promise it.
StorefrontWash is an independent publisher, not a law firm and not a cleaning company. If you want a start path for the pole kit after the paper is straight, use /start. The statutes still win if a page on this site and a clerk disagree.
Renewal next year is the same checklist. Same names on every document. Same category unless the work changed. Same habit of reading the expiration instead of guessing. That is the whole paper path for storefront windows in Delaware.
Frequently asked questions
Do you need a license for storefront windows in Delaware?
No statewide trade license exists just for washing storefront glass. You still need a Delaware Division of Revenue business license if you are in business, and you may need a city license in places such as Wilmington, Newark, or Dover. Replacing glass can trigger contractor rules under Title 30, Chapter 25. Confirm the category with Revenue before you file.
How much does storefront windows cost in Delaware?
There is no official state price list for washing a storefront. Operators bid per stop or by monthly contract. On the paper side, a Delaware LLC has a $300 annual tax in the LLC Act, and the Division of Corporations has long posted a $90 formation fee. Confirm both. Revenue license taxes and GRT rates depend on category, so read the live schedule.
How long does storefront windows take in Delaware?
No board publishes a guaranteed license clock, so confirm turnaround with Revenue or the city that has your file. On the glass, a small sidewalk storefront is often done in well under an hour if you can park and reach it. Multi-story, lift, or after-hours mall work takes longer. Site access sets the clock, not a statewide average.
Does Delaware charge sales tax on window cleaning?
Delaware does not levy a general retail sales tax, so you are not collecting a state sales tax line like you would in Maryland or Pennsylvania. Gross receipts tax can still apply under Title 30. Your rate depends on the business category the Division of Revenue assigned. Confirm the current GRT table before you build it into monthly contracts.
Do I need a contractor license to wash storefront glass in Delaware?
Usually no, if all you do is clean existing glass. Title 30, Chapter 25 is the contractor chapter and is aimed at contracting work, not a sidewalk wash. If you replace units, frames, or doors, ask Revenue whether you now need the contractor license. Do not let a manager talk you into an install under a cleaning license.
Can I run storefront windows work as a sole proprietor in Delaware?
Yes. An LLC is optional. You still need the Division of Revenue business license and any city license that applies. A sole proprietor with no employees often skips workers' compensation, but confirm exemptions. Many people form the LLC later, when a customer or a lender wants an entity name on the check.
Do I need workers compensation if I have no employees?
Title 19, Chapter 23 is built around employers and employees. A true one-person shop with no helpers often has no workers' compensation policy. The moment you have a regular helper, the analysis changes. Confirm your facts with the Department of Labor and a Delaware-knowledgeable carrier. Do not relabel an employee as a contractor to dodge the statute.
Does Wilmington or Newark need its own business license?
Often yes if you keep a shop there or run a regular route. Cities issue licenses on their own schedules and fees. A state Revenue license does not automatically replace a city license. Call the clerk and ask about mobile cleaners with no storefront. I will not invent the current city fee in this answer.
Do out of state operators need Delaware paper?
If you do business in Delaware, plan on Delaware paper. Living in New Jersey, Pennsylvania, or Maryland does not excuse a Wilmington route. You still deal with the Division of Revenue and any city that requires a local license. Confirm nexus and category with Revenue rather than assuming a home-state license travels.
What is the Delaware LLC annual tax for a window route?
Delaware limited liability companies pay a $300 annual tax under 6 Del. C. Chapter 18. The amount does not shrink because the company only washes glass. It is separate from the Division of Revenue license and from gross receipts tax. Confirm payment steps on the Division of Corporations site so you do not miss a portal or penalty line.
Is soap wash water legal in a Delaware storm drain?
Do not put detergent, stripper, or grit into a storm grate. Delaware's environmental control chapter and city MS4 rules treat illicit discharges as a real problem. Pure water on a sidewalk is a milder fact pattern than a chemical dump. Ask the city and the property manager how they want recovery handled on that block.
Do I need an EIN to wash storefronts in Delaware?
A sole proprietor with no employees can sometimes use a Social Security number, but banks, payment apps, and most LLCs will want an EIN. The IRS charges $0 to apply online. Use the IRS EIN page. You still need the Delaware Revenue license either way. The EIN is federal identity paper, not a washer permit.
Sources
- Delaware Code Title 30, Chapter 21 General Provisions Concerning Licenses: Delaware Title 30 sets general state rules for occupational and business licenses before a person carries on licensed activity.
- Delaware Code Title 30, Chapter 25 Contractors: Delaware maintains a separate contractor license chapter that can apply when work is contracting rather than cleaning existing glass.
- Delaware Code Title 30, Chapter 29 Occupational and Business Licenses and Taxes: Delaware's merchants' license and gross receipts tax framework sits in Title 30, Chapter 29.
- Delaware Division of Corporations fee schedule: The Division of Corporations publishes current entity filing fees, including the Certificate of Formation fee for an LLC.
- Delaware Code Title 6, Chapter 18 Subchapter XI (LLC annual tax): Delaware limited liability companies pay a $300 annual tax under the Delaware LLC Act.
- Delaware Code Title 6, Chapter 18 Subchapter II Formation: A Delaware LLC is formed by executing and filing a certificate of formation under 6 Del. C. § 18-201.
- Delaware Code Title 19, Chapter 23 Workers' Compensation: Delaware workers' compensation law in Title 19, Chapter 23 applies to employers and employees and frames the duty to carry coverage.
- OSHA 29 CFR 1910.28 Duty to have fall protection: OSHA requires fall protection for employees on walking-working surfaces with an unprotected edge 4 feet or more above a lower level.
- IRS Apply for an Employer Identification Number (EIN) Online: The IRS offers EIN applications online as a free service.
- Delaware Department of Labor Minimum Wage page: The Delaware Department of Labor publishes the current state minimum wage that applies when you hire employees.
- Delaware Code Title 7, Chapter 60 Subchapter II Environmental Control: Delaware environmental control law includes permit and discharge duties that can apply when wash water enters waters or drainage systems.
- OSHA 29 CFR 1910.23 Ladders: OSHA's general industry ladder standard applies when employees use portable ladders to reach storefront glass.
- U.S. Small Business Administration, Apply for licenses and permits: The SBA directs new businesses to check state and local license and permit requirements; there is no national trade license for window cleaning.