Research by Ivan Tchesnokov
City of West Jordan Building & Safety Division
8000 South Redwood Road, West Jordan, UT 84088
Phone: (801) 569-5050 · Hours: Mon–Fri 8:00 AM–5:00 PM
Cityworks Portal: permit.westjordan.utah.gov →
Seismic Design Category D2 — Wasatch Fault
West Jordan designates all residential construction at SDC D2 — the same as coastal California. All structural work must be engineered for SDC D2 seismic loads. Engineer-stamped plans required for structural permits.
The Short Answer
Yes — room additions in West Jordan require building and trade permits.
Apply through Cityworks at permit.westjordan.utah.gov or in-person at 8000 South Redwood Road. Phone (801) 569-5050. Engineer-stamped plans required for SDC D2 structural design. Frost depth: 30 inches. 2015 IECC energy code for Climate Zone 5B applies to new conditioned space. Call 811 before foundation excavation. Utah DOPL-licensed contractors required.

West Jordan room addition permit rules — SDC D2 engineering

Room additions in West Jordan require building and trade permits through the Cityworks portal at permit.westjordan.utah.gov or in-person at 8000 South Redwood Road. Phone: (801) 569-5050. Engineer-stamped structural plans are required for all addition structural work — framing, connections, hold-downs, shear walls, and foundation must be designed for SDC D2 seismic loads. A structural engineer with experience in Wasatch Front seismic design is essential for West Jordan room additions.

Call 811 at least 3 business days before foundation excavation. Rocky Mountain Power, Enbridge, and city water/sewer lines must be located. The footing inspection before concrete pour verifies that footings extend below the 30-inch frost depth.

The residential energy code for West Jordan room additions is the 2015 IECC (not the more recent 2021 IECC) for Climate Zone 5B. This older energy code is less demanding than the 2021 IECC used in many other states. Climate Zone 5B specifications under the 2015 IECC: ceiling R-49, walls R-13+R-5 continuous, windows U-0.32 maximum, SHGC 0.40 maximum.

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Your addition size, West Jordan address, and SDC D2 engineering requirements. 2015 IECC energy specs and frost depth.
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Scenario A
350 sq ft bedroom addition on a West Jordan slab-on-grade home
Building permit through Cityworks with SDC D2-compliant structural engineering: engineer-stamped plans for framing, hold-downs, shear walls, and foundation connections per D2 seismic provisions. Site plan, floor plan, foundation plan (30-inch frost-protected footings), framing plan, and 2015 IECC Climate Zone 5B energy compliance documentation. Call 811 before excavation. Footing inspection before concrete pour. Framing inspection with structural connections verified for SDC D2. Insulation inspection. Trade permits (electrical, mechanical) through Cityworks simultaneously. Bedroom addition in West Jordan: $55,000–$95,000. SDC D2 structural engineering fee: $2,000–$4,500. Contact (801) 569-5050 for permit fee.

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VariableHow it affects your West Jordan addition permit
SDC D2: engineer-stamped plans requiredMost critical requirement. All structural elements must be engineered for SDC D2. Hold-downs, shear walls, roof-to-wall connections, foundation connections. Engineering fee: $2,000–$4,500. Structural engineer with Wasatch Front seismic experience required.
30-inch frost depthAddition footings must extend 30 inches below grade. Footing inspection before concrete pour. Call 811 at least 3 business days before excavation.
2015 IECC energy code (Zone 5B)West Jordan uses 2015 IECC (not 2021). Climate Zone 5B: ceiling R-49, walls R-13+R-5, windows U-0.32 max / SHGC 0.40 max. Less demanding than 2021 IECC requirements in some other states.
Rocky Mountain Power & EnbridgeCall 811 to locate both utilities before foundation excavation. Coordinate with Rocky Mountain Power and Enbridge for new HVAC and electrical connections in the addition.
Cityworks portal permit applicationApply at permit.westjordan.utah.gov or in-person at 8000 South Redwood Road. Phone (801) 569-5050. Utah DOPL-licensed contractors for all trade scopes.
Your West Jordan addition requires SDC D2-engineered plans — the most demanding structural standard in this guide.
Your addition size, West Jordan address. SDC D2 engineering and the complete permit package.
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What room additions cost in West Jordan

Bedroom addition (300–400 sq ft): $55,000–$95,000. Primary suite (400–600 sq ft): $75,000–$130,000. SDC D2 engineering fee: $2,000–$4,500. Combined permit fees: contact (801) 569-5050 for current schedule.

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Your addition size, West Jordan address. SDC D2 engineering requirements and the full inspection checklist.
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Common questions about West Jordan UT room addition permits

How do I apply for a room addition permit in West Jordan?

Cityworks portal at permit.westjordan.utah.gov or in-person at 8000 South Redwood Road. Phone (801) 569-5050. Engineer-stamped SDC D2 structural plans required. Call 811 before foundation excavation.

Why does West Jordan require SDC D2 engineering for additions?

West Jordan's official design criteria designate residential construction at Seismic Design Category D2 — the same seismic classification as coastal California — due to the Wasatch Fault. Every structural element of the addition must be designed by a structural engineer for SDC D2 seismic loads: hold-downs, shear walls, roof-to-wall connections, and foundation connections. This is more demanding than all other inland US cities in this guide.

What energy code governs West Jordan room additions?

West Jordan uses the 2015 IECC (not the more recent 2021 IECC) for residential energy provisions. For Climate Zone 5B: ceiling R-49, walls R-13+R-5 continuous insulation, windows U-0.32 maximum and SHGC 0.40 maximum. The insulation inspection before drywall verifies compliance.

How deep do addition footings need to be in West Jordan?

West Jordan's frost depth is 30 inches. All addition footings must extend 30 inches below grade. The footing inspection before concrete pour is the critical checkpoint. Call 811 (Utah underground utilities) at least 3 business days before any foundation excavation.

How much does SDC D2 structural engineering add to an addition cost?

Structural engineering for a West Jordan room addition: approximately $2,000–$4,500 for engineer-stamped plans covering SDC D2 framing, hold-downs, shear walls, and connections. This fee is higher than in non-seismic or lower-seismic markets but is a necessary investment for a safe and permitted addition on the Wasatch Front.

City of West Jordan Building & Safety Division. Utah contractor licensing: dopl.utah.gov. Contact (801) 569-5050 for current permit fee schedule. Not engineering advice.