Washington · Regulations
Chapter 51-51 — STATE BUILDING CODE ADOPTION AND AMENDMENT OF THE 2021 EDITION OF THE INTERNATIONAL RESIDENTIAL CODE
71 sections
71 sections
- WAC 51-51-001WAC 51-51-001. Authority
- WAC 51-51-002WAC 51-51-002. Purpose
- WAC 51-51-003WAC 51-51-003. International Residential Code
- WAC 51-51-007WAC 51-51-007. Exceptions
- WAC 51-51-008WAC 51-51-008. Implementation
- WAC 51-51-0102WAC 51-51-0102. Section R102 — Applicability
- WAC 51-51-0202WAC 51-51-0202. Section R202 — Definitions
- WAC 51-51-0301WAC 51-51-0301. Section R301 — Design criteria
- WAC 51-51-0302WAC 51-51-0302. Section R302 — Fire-resistant construction
- WAC 51-51-0303WAC 51-51-0303. Section R303 — Light, ventilation and heating
- WAC 51-51-0307WAC 51-51-0307. Section R307 — Toilet, bath and shower spaces
- WAC 51-51-0309WAC 51-51-0309. Section R309 — Garages and carports
- WAC 51-51-0311WAC 51-51-0311. Section R311—Means of egress
- WAC 51-51-0312WAC 51-51-0312. Section R312 — Guards and window fall protection
- WAC 51-51-0313WAC 51-51-0313. Section R313 — Automatic fire sprinkler systems
- WAC 51-51-0314WAC 51-51-0314. Section R314 — Smoke alarms and heat detection
- WAC 51-51-0315WAC 51-51-0315. Section R315 — Carbon monoxide alarms
- WAC 51-51-0325WAC 51-51-0325. Section R325 — Mezzanines
- WAC 51-51-0326WAC 51-51-0326. Section R326 — Habitable attics
- WAC 51-51-0327WAC 51-51-0327. Section R327 — Swimming pools, spas, and hot tubs
- WAC 51-51-0328WAC 51-51-0328. Section R328 — Energy storage systems
- WAC 51-51-0330WAC 51-51-0330. Section R330 — Adult family homes
- WAC 51-51-0331WAC 51-51-0331. Section R331 — Family home child care
- WAC 51-51-0332WAC 51-51-0332. Section R332 — Protection against radon
- WAC 51-51-0333WAC 51-51-0333. Section R333 — Lofts
- WAC 51-51-0334WAC 51-51-0334. Section R334 — Stationary fuel cell power systems
- WAC 51-51-0403WAC 51-51-0403. Section R403 — Footings
- WAC 51-51-0408WAC 51-51-0408. Section R408 — Under-floor space
- WAC 51-51-0507WAC 51-51-0507. Section R507 — Decks
- WAC 51-51-0602WAC 51-51-0602. Section R602 — Wood wall framing
- WAC 51-51-0609WAC 51-51-0609. Section R609 — Exterior windows and doors
- WAC 51-51-0702WAC 51-51-0702. Section R702 — Interior covering
- WAC 51-51-0703WAC 51-51-0703. Section R703 — Exterior covering
- WAC 51-51-0903WAC 51-51-0903. Section R903 — Weather protection
- WAC 51-51-1001WAC 51-51-1001. Section R1001 — Masonry fireplaces
- WAC 51-51-1002WAC 51-51-1002. Section R1002 — Masonry heaters
- WAC 51-51-1004WAC 51-51-1004. Section R1004 — Factory-built fireplaces
- WAC 51-51-1006WAC 51-51-1006. Section R1006 — Exterior air supply
- WAC 51-51-01010WAC 51-51-01010. Section R101 — Scope and general requirements
- WAC 51-51-1201WAC 51-51-1201. Section M1201 — General
- WAC 51-51-1301WAC 51-51-1301. Section M1301—General
- WAC 51-51-1307WAC 51-51-1307. Section M1307 — Appliance installation
- WAC 51-51-1413WAC 51-51-1413. Section M1413 — Evaporative cooling equipment
- WAC 51-51-1503WAC 51-51-1503. Section M1503 — Domestic cooking exhaust equipment
- WAC 51-51-1504WAC 51-51-1504. Section 1504 — Exhaust ducts and exhaust openings
- WAC 51-51-1505WAC 51-51-1505. Section M1505 — Mechanical ventilation
- WAC 51-51-1600WAC 51-51-1600. Chapter 16 — Duct systems
- WAC 51-51-1700WAC 51-51-1700. Chapter 17—Combustion air
- WAC 51-51-2000WAC 51-51-2000. Chapter 20 — Boilers and water heaters
- WAC 51-51-2101WAC 51-51-2101. Section M2101 — Hydronic piping systems installation
- WAC 51-51-2103WAC 51-51-2103. Section M2103 — Floor heating systems
- WAC 51-51-2105WAC 51-51-2105. Section M2105 — Ground-source heat-pump system loop piping
- WAC 51-51-2300WAC 51-51-2300. Section M2301 — Solar thermal energy systems
- WAC 51-51-2904WAC 51-51-2904. Section 2904 — Dwelling unit fire-sprinkler systems
- WAC 51-51-03100WAC 51-51-03100. Section 310 — Emergency escape and rescue openings
- WAC 51-51-03240WAC 51-51-03240. Section R324 — Solar energy systems
- WAC 51-51-4400WAC 51-51-4400. Referenced standards
- WAC 51-51-4501WAC 51-51-4501. Chapter 45 — Existing buildings and structures
- WAC 51-51-4502WAC 51-51-4502. Section R4502 — Compliance
- WAC 51-51-4503WAC 51-51-4503. Section R4503 — Repairs
- WAC 51-51-4504WAC 51-51-4504. Section R4504 — Alterations
- WAC 51-51-4505WAC 51-51-4505. Section R4505 — Additions
- WAC 51-51-4506WAC 51-51-4506. Section R4506 — Relocations
- WAC 51-51-60101WAC 51-51-60101. Appendix F radon control methods
- WAC 51-51-60103WAC 51-51-60103. Section AF103 — Requirements
- WAC 51-51-60104WAC 51-51-60104. Appendix AQ — Tiny houses
- WAC 51-51-60105WAC 51-51-60105. Appendix U — Dwelling unit fire sprinkler systems
- WAC 51-51-60106WAC 51-51-60106. Appendix T — Solar-ready provisions-detached one- and two-family dwellings and townhouses
- WAC 51-51-60107WAC 51-51-60107. Appendix AWV — Fire sprinklers
- WAC 51-51-60108WAC 51-51-60108. Appendix Y — Construction and demolition material management
- WAC 51-51-60109WAC 51-51-60109. Appendix Z — Building deconstruction