Best Invoice App for Plumbers in Maryland (MD)
Glo Invoice is the invoicing app plumbing pros across Maryland use to quote jobs, get signed approvals, send invoices by text, and accept card payments on the spot — with MD sales tax handled at the line-item level.
6%
2%–5.75% + county
$100
Estimated plumbing ranges in Maryland
Modeled estimate, not a survey of local prices: a national starting range scaled by Maryland's approximate statewide cost-of-living index (~117%). Set your own prices based on your costs and market.
| Service | MD range |
|---|---|
| Service call / trip fee | $87.5–$175 |
| Drain cleaning | $115–$350 |
| Water heater install | $935–$2,900 |
What a Maryland plumber invoice looks like
A worked example on a typical service call / trip fee job at the MD midpoint ($131), split 40% parts / 60% labor.
| Parts / materials | $53 |
| Labor | $78 |
| Subtotal | $131 |
| Maryland state sales tax on parts (6%)Local rates apply on top (6%). | $3 |
| Card processing if paid by card (2.9% + 30¢) | $4 |
| Invoice total | $134 |
Glo Invoice runs this math per line item, so taxable parts and non-taxable labor never get mixed up. Verify your combined rate with the sales tax calculator or the Comptroller of Maryland.
What every Maryland plumber invoice needs
License number on every invoice
Parts vs labor split for sales tax
Trip-fee line item
Photo of completed work
Warranty terms
Maryland licensing basics for plumbing pros
Sales tax license
Trader's license
Professional license
Check the MD Secretary of State for trade-specific licensing requirements and renewal deadlines.
Why plumbing businesses in Maryland pick Glo Invoice
Made for the trades
Per-line tax for MD sales tax rules, parts vs labor splits, photo attachments, and signed estimates.
Text-first delivery
Maryland customers open texts. Glo Invoice sends invoices over SMS — with a one-tap pay link built in.
Get paid same day
Built-in card payments through your connected Stripe or Square account, and Tap to Pay lets you charge on the spot.
Works on bad signal
Built for job sites, garages, and basements — drafts save locally and sync when you're back online.
Plumbers by city in Maryland
Plumbers in Maryland: common questions
What's the best invoice app for plumbing businesses in Maryland?
Glo Invoice is purpose-built for plumbing pros in Maryland. It handles license number on every invoice, parts vs labor split for sales tax, trip-fee line item, applies 6% sales tax to the right line items, and sends invoices over SMS so customers actually pay them.
How much should a plumber charge in Maryland?
Maryland's average cost-of-living index runs about 117% of the national average. Modeled estimate ranges for MD (not a survey of local prices): Service call / trip fee $87.5–$175; Drain cleaning $115–$350; Water heater install $935–$2,900.
Do plumbing businesses charge sales tax in Maryland?
Maryland's state rate is 6% (6%). Materials are commonly taxable while labor treatment depends on the type of work, so bill parts and labor as separate lines and confirm your case with the Comptroller of Maryland.
Do I need a license to work as a plumber in Maryland?
Most plumbing trades in Maryland require a trade-specific state license plus local permits. Common MD requirements include: Sales tax license; Trader's license; Professional license.
What does it cost to register a plumbing business in MD?
Maryland LLC filing runs $100, with ongoing reporting of $300/yr (personal property return). State income tax is 2%–5.75% + county. Full breakdown in our Maryland business setup guide.
Is there a free trial?
Yes — 14 days free with full access to estimates, invoices, recurring billing, card payments, and expense tracking. No charge until the trial ends.
Setting up shop? Read the guide to starting a business in Maryland.