A business line of credit suits recurring, uneven costs that are repaid quickly: materials, payroll between invoices, repairs and claim timing. Quarryfield Capital Group, a small-business funding broker in Hillsboro, Oregon, explains good and poor uses for Washington County, Oregon owners and when a term loan or working capital fits better. Lending partners make credit decisions and set rates and terms.
How a line works in one paragraph
A business line of credit sets a limit. You draw what you need, interest usually runs only on the drawn balance, and on a revolving line the room reopens as you repay. The right question is not what a line can pay for, since it can pay for almost anything, but what it should pay for: costs that come back around and are repaid within months.
Good use: materials ahead of jobs
Construction was the third-largest sector by employer establishments in Washington County, OR in 2023, with 1,826, and in ZIP 97123 it had 162 (County Business Patterns 2023). Trades that buy materials before each job and are paid after it are classic line users: draw for the order, repay when the invoice is paid.
Good use: payroll between invoices
When customers pay in thirty or sixty days and wages go out every week, a line bridges the difference. 52.6% of Washington County employer establishments had fewer than five employees in 2023, and for a business that size, one slow customer can leave payroll short.
Good use: repairs and claim timing
A broken compressor or a delayed insurance reimbursement is exactly the kind of irregular cost a revolving limit absorbs. Health care was the largest sector in ZIP 97123 in 2023, with 204 employer establishments, and practices often use lines for the wait between treatment and payment.
Wrong tool: long-life purchases
Putting a van, a dental chair or a remodel on a line ties up the limit for years and leaves nothing for the costs a line is meant for. A term loan or equipment financing spreads a long-life purchase over a matching schedule and keeps the line free. You can see what a term structure would cost in the business loan calculator, which returns the monthly payment, total interest and total repaid.
Wrong tool: covering ongoing losses
If the line is drawn every month and never comes back down, it is financing a loss, not a timing gap. Partners notice a line that stays maxed, and it can make renewal harder. Fix the margin before adding debt.
Wrong tool: a one-time gap with a clear end
A single defined gap, such as one large payroll before a known payment, can be simpler with working capital, which ends on its own schedule. Lines take longer to set up and are better kept for recurring needs.
Sizing a line to your own cycle
A practical way to size a line is to look back rather than forward. Take the last twelve months of business bank statements and note the smallest balance in each month, along with what caused it: a materials order, a slow-paying customer, a quarterly bill. The deepest of those dips, plus a margin, is a reasonable starting point for the limit to ask about, and the time it took the balance to recover shows how fast draws would be repaid.
Partners do a version of the same exercise with the same statements, so arriving with it done makes the conversation shorter.
Disadvantages to weigh
- Lines are reviewed periodically and can be reduced or not renewed.
- Some carry draw fees or charges for an unused limit; read the agreement.
- Variable pricing means the cost of a balance can change.
- Easy access makes it tempting to use for the wrong things.
Whether a line is worth it depends on how often you would use it and how quickly you would repay. Other Washington County notes sit on the blog.
By Quarryfield Capital Group · Updated