Best Invoice App for Solar Installers in Seattle, WA
Seattle is premium labor rates, tech-fueled demand, and aggressive licensing enforcement. Glo Invoice is the invoicing app solar pros across the Seattle metro use to quote jobs, get signed approvals, send invoices by text, and accept card payments on the spot.
Estimated solar ranges in Seattle, WA
Modeled estimate, not a survey of local prices: a national starting range scaled by Seattle's approximate cost-of-living index (~135%). Set your own prices based on your costs and market.
| Service | Seattle range |
|---|---|
| Residential system (per watt) | $3–$5 |
| Battery install | $10,800–$24,300 |
| Inspection / service call | $205–$540 |
Want to work backwards from your own overhead? Use the hourly rate calculator or the markup calculator.
What a Seattle solar installer invoice looks like
A worked example on a typical residential system (per watt) job at the Seattle midpoint ($4), split 40% parts / 60% labor.
| Parts / materials | $2 |
| Labor | $2 |
| Subtotal | $4 |
| Washington state sales tax on parts (6.5%)Local city/county rates are added on top of the state rate. | $0 |
| Card processing if paid by card (2.9% + 30¢) | $0 |
| Invoice total | $4 |
Glo Invoice does this math per line item, so taxable parts and non-taxable labor never get mixed up. Check your combined local rate with the sales tax calculator.
Washington tax and paperwork for solar work
State sales tax rate
6.5%
Seattle and WA counties may add local rates.
Parts vs labor
Bill them separately
Materials are commonly taxable while labor treatment varies by job type.
Where to confirm
Washington Department of Revenue
Rates and rules change — verify before you file.
More detail in the sales tax guide for service businesses and the guide to starting a business in Washington.
What every Seattle solar installer invoice needs
System size (kW) + panel count
Equipment manufacturer + serials
Federal / state credit notes
Permitting + inspection fees
Production warranty
Why solar businesses in Seattle pick Glo Invoice
Made for the trades
Per-line tax for Washington, parts vs labor splits, photo attachments, and signed estimates.
Text-first delivery
Seattle customers open texts. Glo Invoice sends invoices over SMS — and includes a one-tap pay link.
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.
Solar Installers in Seattle: common questions
How much should a solar installer charge in Seattle?
Seattle's cost index runs about 135% of the national average, so we scale a national starting range by it. Modeled estimates (not a survey of local prices): Residential system (per watt): $3–$5; Battery install: $10,800–$24,300; Inspection / service call: $205–$540. Price above the range when you carry higher insurance, licensing, or emergency availability.
Do solar businesses charge sales tax in Seattle?
Washington's state rate is 6.5%, and Seattle and its county typically add local rates on top. Materials are usually taxable; whether labor is taxable depends on the type of work, so confirm your situation with the Washington Department of Revenue. Glo Invoice applies tax per line item, so parts and labor are handled separately.
What should a Seattle solar installer invoice include?
System size (kW) + panel count, Equipment manufacturer + serials, Federal / state credit notes, Permitting + inspection fees, Production warranty. Add payment terms, a due date, and your license number where Washington requires it.
How fast do solar invoices get paid?
Invoices sent by text with a pay link are typically paid far faster than mailed or emailed PDFs, because customers can pay from the notification. Charging on site with Tap to Pay removes the wait entirely.
Can I take card payments on the job in Seattle?
Yes. Glo Invoice supports card payments and Tap to Pay on iPhone and Android, so you can collect before you leave the driveway. Card processing costs about 2.9% + 30¢, which you can pass along as a line item where Washington law allows.
Is there a free trial?
Yes — 14 days free with full access, including estimates, invoices, recurring billing, and expense tracking. No charge until the trial ends.
Other trades in Seattle
Solar Installers in nearby cities
Send your first solar invoice in Seattle today
14-day free trial for solo operators. Cancel anytime.
Get started