customer is very slow paying. Do I have to give 30days for grace period.
Under RCW §60.04.091, there is no required grace period before filing a Washington mechanics lien. The only important timeframe is the filing deadline, which is no later than ninety (90) days after the last date of furnishing labor and/or materials to the project. This is a hard deadline, if you fail to file a claim within that time period, you will no longer have the right to file a lien for that project. You should consider sending a Notice of Intent to Lien beforehand to potentia ly resolve the payment dispute before having to file a claim.
For more information, see: How to File a Washington Mechanics Lien | A Step-by-Step Guide to Get You Paid