Building Safety in Pasco, WA (2026)
4 verified building safety rules for Pasco, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Fire Sprinkler Requirements
Pasco requires a fire sprinkler system in any accessory dwelling unit that exceeds the maximum allowed distance to a fire hydrant, under PMC 25.161.040(6)(c), on top of the ADU chapter's general building and fire separation standards.
Pasco ADU Fire Sprinkler Hydrant Rule
Some RestrictionsPMC 25.161.040(6)(c)
(6) Additional Building and Utility Standards... (a) Construction Requirements. ADUs must comply with the City of Pasco's building code (PMC Title 16) and all other refenced standards. (b) Fire Separation Design. The location of all ADUs must comply with the required separated distances of the City of Pasco's building code (PMC Title 16) and all referenced standards. (c) Fire Sprinkler. A fire ...
Building Permits
Pasco requires all construction to conform to the state-adopted International Building Code(s) under PMC 16.05.010. New construction, enlargement, repair, moving, removal, demolition or conversion of a building must be permitted and built to code, with limited exemptions like roofing and siding replacement that skip structural work.
Pasco Building Permit Requirements
Some RestrictionsPasco Municipal Code § 16.05.010
The City of Pasco hereby adopts the State Building Code (Chapter 19.27 RCW) as thereinafter amended by the Washington State Building Code Council, published as Chapter 51-50 WAC, and all provisions thereof applying throughout this title, and adopts by reference the most current state-adopted International Building Code(s) and their appendices thereof as published by the International Code Counc...
Plumbing Permits
Pasco enforces the state-adopted Uniform Plumbing Code under PMC 16.20, requiring a permit for plumbing work with a $50.00 minimum permit fee. Violators face fines up to $500.00 per offense, with each day of continuing violation counted separately.
Pasco Plumbing Permit and Code Rules
Some RestrictionsPasco Municipal Code § 16.20.010
The most current state-adopted Uniform Plumbing Code published by the International Association of Plumbing and Mechanical Officials, as amended by the Washington State Building Code Council and published as Chapter 51-56 WAC, is adopted as the plumbing code of the City except as hereinafter amended.
Building Inspections
Pasco charges a minimum inspection fee under PMC 16.05.090 whenever the Building Official conducts an incidental building or fire code inspection that isn't tied to an active, issued permit. The fee amount is set in the City's master fee schedule, PMC 3.35.030, and covers walkthroughs, complaint checks, and re-inspections outside the normal permitted-construction sequence.
Pasco Building Inspection Fees
Some RestrictionsPMC 16.05.090
A minimum fee as enumerated in PMC 3.35.030 shall be paid to the Building Official for incidental building and fire code inspections not related to issued, active building permits.
Looking for Franklin County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Pasco city rules.
Building Safety in Franklin County →