Buildertrend's QuickBooks Online integration doesn't handle WA sales tax correctly

Step-by-step

1. 1. What the integration actually pushes

   When Buildertrend syncs an invoice to QBO, it sends the line items, amounts, and a sales tax total that Buildertrend calculated inside its own tax setup — not one QBO recalculated from the job address. QBO accepts the number as an override, so Automated Sales Tax (AST) sits on the sidelines.

2. 2. Why the rate is usually wrong in Washington

   WA sales tax is destination-based and updated by DOR quarterly, with hundreds of local city/county combinations. Buildertrend's tax rates are entered manually per job or per company — they don't pull the correct combined state + city + local rate for the delivery address the way AST does. On any job that crosses a city line (Seattle vs. Shoreline, Tacoma vs. Lakewood), the rate posted to QBO is stale or generic.

3. 3. Why construction labor makes it worse

   In WA, retail construction labor is taxable at the job-site rate. Buildertrend often defaults labor lines to non-taxable, or applies a flat company rate rather than the job address. That underbills the customer and leaves the contractor owing DOR the difference at filing time.

4. 4. What actually lands on the QBO invoice

   In QBO you'll see the invoice with a manual tax amount and (frequently) 'Based on manual entry' or an override flag on the tax line. The Sales Tax Liability report then shows sales tagged to the wrong agency/jurisdiction — or lumped under a generic WA rate — which makes the DOR combined excise return impossible to file cleanly from QBO.

5. 5. How we reconcile it every month

   We pull the Buildertrend invoice register, re-price sales tax for every invoice using the correct job-site combined rate, and post a monthly journal entry in QBO to true up the sales tax liability by jurisdiction. That gives us clean numbers for the DOR return and preserves the Buildertrend/QBO sync for everything else.

6. 6. The cleaner long-term fix

   Where the workflow allows, we invoice out of QBO directly (letting AST calculate) and use Buildertrend for estimates, selections, and project management only. For teams that must invoice in Buildertrend, we lock the taxable/non-taxable flag per item, standardize job addresses, and run a monthly sales-tax audit before the DOR filing.

7. 7. Catching it before DOR does

   We reconcile Buildertrend gross sales to QBO gross sales, QBO sales tax collected to what should have been collected at the correct rate, and the delta to a 'sales tax adjustments' account. Anything over a small threshold triggers a follow-up with the client — before the next combined excise return, not after a DOR notice.

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