Section 64.90.680 - Warranties of quality-Breach-Actions for construction defect claims(1) A proceeding for breach of any obligations arising under RCW 64.90.665, 64.90.670, or 64.90.675 must be commenced within four years after the cause of action accrues. The period for commencing an action for a breach accruing pursuant to subsection (2)(a) of this section does not expire prior to one year after termination of the period of declarant control, if any, under RCW 64.90.415. Such periods may not be reduced by either oral or written agreement or through the use of contractual claims or notice procedures that require the filing or service of any claim or notice prior to the expiration of the period specified in this section.(2) Subject to subsection (3) of this section, a cause of action for breach of warranty of quality, regardless of the purchaser's lack of knowledge of the breach, accrues: (a) As to a unit, the latest of: (i) The date the unit was conveyed to the purchaser to whom the warranty is first made; or(ii) The date any portion of the unit that constitutes a building enclosure as defined in RCW 64.55.010(3) was completed; and(b) As to each common element, at the latest of:(i) The date the common element was completed;(ii) The date the common element was added to the condominium; or(iii) The date the first unit in the condominium was conveyed to a bona fide purchaser.(3) If a warranty of quality explicitly extends to future performance or duration of any improvement or component of the condominium, the cause of action accrues at the time the breach is discovered or at the end of the period for which the warranty explicitly extends, whichever is earlier.(4) If a written notice of claim is served under RCW 64.50.020 within the time prescribed for the filing of an action under this chapter, the statutes of limitation in this chapter and any applicable statutes of repose for construction-related claims are tolled until sixty days after the period of time during which the filing of an action is barred under RCW 64.50.020.