Building Safety in Issaquah, WA (2026)
7 verified building safety rules for Issaquah, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Elevator Maintenance
Issaquah requires the owner, lessor or managing agent of a building to keep the elevator accessible, usable and in good working order at all times. Outages trigger notice duties, and residential buildings with a single elevator need a full-service maintenance contract and, after 72 hours, alternative housing on request.
Issaquah Elevator Maintenance and Outage Duties
Significant RestrictionsIssaquah Municipal Code § 16.06.100 (IFC 604.8)
604.8 Duty of building operators to repair elevator and give notice. Any owner or lessor of the entirety of a building subject to this chapter, or any agent thereof with the responsibility for managing such building (hereafter “building operator”) shall ensure that the elevator is accessible, usable and in good working order at all times. ... 604.8. ... 2 Residential Buildings Served by a Singl...
Fire Sprinkler Requirements
In Issaquah, a dwelling unit fire sprinkler system is required throughout every newly built one-family or two-family dwelling and townhouse whose total floor area exceeds 5,000 square feet including basements. The mandate also reaches additions and major repairs to existing homes. The rule is Issaquah Municipal Code 16.04.020(C), the city's amendment to IRC Section AV107.1.
Issaquah Residential Fire Sprinkler Requirement
Significant RestrictionsIssaquah Municipal Code § 16.04.020(C)
AV107.1 Where fire sprinklers are required. ... An approved automatic fire sprinkler system shall be installed in accordance with Appendix U – Dwelling Unit Fire Sprinkler Systems in new and existing one- family and two-family dwellings and townhouses for the following conditions: A dwelling unit sprinkler system shall be installed throughout all newly constructed one-family and two- family dwe...
Childcare Center Rules
In Issaquah, day care centers, family day care centers and adult day care centers follow Land Use Code § 18.522.010 on top of state licensing. Outdoor play areas need a solid wall or fence at least six feet high with gated openings only, and an operator must show proof of State licensing before the City issues a business license.
Issaquah Child Care Center Rules: Fencing, Access, Licensing
Some RestrictionsIssaquah Land Use Code § 18.522.010
C. Review Required. ... Day care operations and adult family homes are subject to licensing by the State (Chapter 43.216 RCW) and must be reviewed according to IMC 18.402.020 , Table of permitted uses, and 18.204.020 , Review levels. Each use must provide proof of State licensing prior to receiving a City of Issaquah business license. D. Approval Criteria. Day care operations must meet the foll...
Green Building Code
Issaquah's sustainable building chapter, IMC 16.40, sets mandatory construction practices rather than an optional rating program. Section 16.40.060 requires two on-site bins, one for recycling and one for landfill-bound waste, on every project, and large projects must divert a minimum of 50 percent of construction and demolition materials to recycling.
Issaquah Sustainable Building Rules: Construction Waste Diversion
Some RestrictionsIssaquah Municipal Code § 16.40.060
A. Purpose. The purpose of this section is to increase the reuse and recycling of construction and building removal materials. ... C. Small Project Requirements. 1. Small projects include: a. New single-family home building permits (additions and remodels less than 1,000 square feet are exempt); b. Demolition permits for buildings or portions of buildings less than 2,500 square feet; and c. Ten...
Building Permits
In Issaquah, any owner or authorized agent who intends to construct, enlarge, alter, repair, move, demolish or change the occupancy of a building or structure must first apply to the Building Official and obtain the permit. Permits expire 2 years from issuance, and applications that sit without a permit lapse after 18 months.
Issaquah Building Permit Requirements (CAC 105.1)
Some RestrictionsIssaquah Municipal Code § 16.04.010 (Construction Administrative Code §§ 105.1, 105.3, 105.5)
105.1 Required. Any owner or authorized agent who intends to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert or replace any gas, mechanical or plumbing system, the installation of which is regulated by this code, or to cause any such work to be done, shall first make application ...
Plumbing Permits
Issaquah adopts the 2021 Uniform Plumbing Code, published by the International Association of Plumbing and Mechanical Officials, for plumbing work in the city. The UPC's own Chapter 1 administration is excluded, so permits run through the Construction Administrative Code and the Building Official. Violations are civil violations enforced under Chapter 8.45 IMC.
Issaquah Plumbing Permits and Uniform Plumbing Code
Some RestrictionsIssaquah Municipal Code § 16.04.080
The 2021 Edition of the Uniform Plumbing Code, as published by the International Association of Plumbing and Mechanical Officials and adopted by the State Building Code Council in Chapter 51-56 WAC, excluding Chapter 1, “Administration;” Chapter 12, “Fuel Gas Piping;” Chapter 14, “Firestop Protection;” is adopted, together with Appendix Chapter A, “Recommended Rules for Sizing the Water Supply ...
Building Inspections
In Issaquah, the Building Official, a designated agent or an approved agency makes the inspections listed in sections 110.4.1 through 110.4.15 of the Construction Administrative Code, from footing and foundation through final. Work cannot proceed past any inspection point without the Building Official's approval, and the building cannot be occupied until final inspection is approved.
Issaquah Required Building Inspections (CAC 110.4)
Some RestrictionsIssaquah Municipal Code § 16.04.010 (Construction Administrative Code §§ 110.4, 110.4.1, 110.4.15, 110.7)
110.4 Required inspections. The Building Official, his or her designated agent, or an approved agency, upon notification, shall make the inspections set forth in Sections 110.4.1 through 110.4.15. 110.4.1 Footing and foundation inspection. Footing and foundation inspections shall be made after poles or piers are set or trenches or basement areas are excavated and all required hold-down anchor b...
Looking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Issaquah city rules.
Building Safety in King County →