Commercial building permit in Mountlake Terrace, Washington

Mountlake Terrace requires a commercial building permit for: MTMC 15.05.030(A) adopts the “International Building Code, 2021 Edition, published by the International Code Council, with state of Washington amendments”; MTMC 15.05.040 adopts the same year.; THE EXEMPTION LIST IS ONE ITEM LONG. MTMC 15.05.050(B) sets out IBC Section 105.2 in full and lists a single exemption: one-story detached accessory structures not exceeding 80 square feet with no side wall over 6 feet.; Sprinklers are required in all new buildings with a fire area of 5,000 square feet or greater “regardless of type or use”, and in existing buildings whose addition brings the new total fire area to 5,000 square feet or greater (MTMC 15.05.050(C)).; Additions and alterations must meet the IEBC for new construction and must not put the existing building into violation; an existing building plus additions must satisfy IBC Chapter 5 height and area limits (MTMC 15.05.050(A), amending Section [A]101.4.7).; CONFLICTS RESOLVE IN THREE TIERS AND THE TIE-BREAKER IS A NAMED OFFICER'S OPINION. Between the IBC, IRC, IMC and IFC “the first named code shall govern over those following”; between those four and other codes in the chapter, whichever “in the opinion of the Building Official, is more restrictive or more protective of public safety” prevails; and against other City development codes the same test is applied “in the opinion of the Community Development Director” (MTMC 15.05.200).. If your project isn't listed, confirm with City of Mountlake Terrace Community Development Department at (425) 776-1161 before starting work.

In Mountlake Terrace, the published Permit fee is: Set by annually adopted fee schedule. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Mountlake Terrace does not publish a plan-review timeline for this permit. Contact City of Mountlake Terrace Community Development Department at (425) 776-1161 for current turnaround.

You'll need: Permit application. Depending on your project, Mountlake Terrace may also ask for: Plans prepared by a licensed professional where required; Performance guarantee where improvements are required. See the required-documents checklist on this page for details on each.

Apply through City of Mountlake Terrace Community Development Department at 23204 58th Avenue W, Mountlake Terrace, WA 98043. Phone: (425) 776-1161, email: permitspecialist@mltwa.gov. Office hours: Permit staff: Monday 8:00 a.m. to 3:00 p.m., Tuesday to Thursday 8:00 a.m. to 4:00 p.m., closed Friday.. Official information: https://www.cityofmlt.com/1993/Permits-Licenses.

Mountlake Terrace, Washington has adopted: IBC — MTMC 15.05.030(A): “International Building Code, 2021 Edition, published by the International Code Council, with state of Washington amendments”. Its own adopting section, 15.05.040, also names 2021.; IRC — MTMC 15.05.030(B): “International Residential Code, 2021 Edition, published by the International Code Council, with state of Washington amendments”. Its own adopting section, 15.05.060, also names 2021.; IMC — MTMC 15.05.030(C): “International Mechanical Code, 2021 Edition, published by the International Code Council, with state of Washington amendments”. 15.05.080 agrees.; IFC — MTMC 15.05.030(D) names the 2021 Edition “as adopted in Chapter 15.10 MTMC”, and 15.10.010 independently names “The International Fire Code (‘IFC’), 2021 Edition, as published by the ICC, together with any additions, deletions and exceptions currently enacted or as may be amended from time to time by the state of Washington, as set forth in Chapter 51-54A WAC”. The two agree.; UPC — MTMC 15.05.030(E): “Uniform Plumbing Code, 2021 Edition, with state of Washington amendments, and Uniform Plumbing Code Standards, published by the International Association of Plumbing and Mechanical Officials”. 15.05.090 agrees.; International Performance Code for Buildings and Facilities — MTMC 15.05.030(F), 2021 Edition. 15.05.100 agrees.; International Green Construction Code — MTMC 15.05.030(G) lists it at the 2021 Edition, BUT ITS OWN ADOPTING SECTION, 15.05.110, READS “Reserved.” A code reviser's note records that Ordinance 2621 removed the Uniform Housing Code provisions and reserved the section for the IGCC. The list names it; the section is empty.; IFGC — MTMC 15.05.030(H): “International Fuel Gas Code, 2021 Edition, published by the International Code Council, with state of Washington amendments”. 15.05.120 agrees.; Electrical — MTMC 15.05.030(I) adopts TWO codes at TWO YEARS in one lettered item: “National Electrical Code, 2023 Edition, published by the National Fire Protection Association; and the Washington Cities Electrical Code, 2020 Edition, published by Washington Association of Building Officials”. 15.05.130 adds a third instrument, the state “Department of Labor and Industries, Electrical Inspection Section, Rules and Regulations for Installing Electric Wiring and Equipment”.; IECC — MTMC 15.05.030(J), 2021 Edition.; IEBC — MTMC 15.05.030(K), 2021 Edition. 15.05.155 agrees.; Accessibility — MTMC 15.05.030(L): “Washington State accessibility provisions for physically disabled or elderly persons as provided in RCW 70.92.100 through 70.92.160”. No edition year, because the instrument is a statute.; Uniform Code for Abatement of Dangerous Buildings — MTMC 15.05.030(M), “1997 Edition, published by the International Conference of Building Officials”. THE OLDEST EDITION YEAR ANY CITY IN THIS WASHINGTON SERIES NAMES.; IPMC — MTMC 15.05.030(N), 2021 Edition.; WSEC — MTMC 15.05.030(O) says “Washington State Energy Code (Commercial and Residential), 2021 Editions”, BUT 15.05.160 says “the Washington State Energy Code, 2018 Edition, with any amendments established by Chapters 51-11C and 51-11R WAC, as now exist or shall be amended”. BOTH ARE RECORDED AND NEITHER IS ADJUDICATED.. Local amendments apply — see the Mountlake Terrace overview page for the full list.

MTMC 15.05.200(A) applies to conflicts among the IBC, IRC, IMC and IFC, and the first named of those in MTMC 15.05.030 governs — so the IBC comes before the IRC, the IRC before the IMC, and the IMC before the IFC. Other pairings fall to the more-restrictive tests in subsections B and C.