Sunroom square footage

Sunroom square footage 200

Quality Tier

Standard materials, solid craftsmanship

Scope of Work

3-season sunroom (screened/basic glass)$52.80/sqft 4-season sunroom (insulated, HVAC)$123.20/sqft Solarium (full glass roof & walls)$176.00/sqft Prefab sunroom kit$7,050 Foundation (slab or piers)$15.84/sqft HVAC mini-split (4-season)$3,950 Electrical (outlets, lighting)$1,600 Interior finishing (flooring, trim)$13.20/sqft Permit & engineering$1,300

Labor

Labor portion of total cost 40%

Sunroom Addition Cost in Eau Claire: 2026 Guide

Use the calculator above to get a quick estimate. The guide below explains what drives sunroom addition costs in Eau Claire and what to expect from contractors in Eau Claire.

Typical Sunroom Addition Costs in Eau Claire

Project Scope	Low	High
Small 3-season room (100–150 sqft)	$4,600	$8,600
Average 3-season (200 sqft)	$13,200	$33,000
4-season room (200 sqft, insulated)	$33,000	$39,600
Large 4-season / solarium (300+ sqft)	$39,600	$105,600

What Affects Sunroom Addition Costs in Eau Claire?

Labor rates: Contractors in Eau Claire charge $40–$79/hour for sunroom addition work — slightly below the national average.

Material costs: Material prices in the Midwest region are slightly below national average due to local supply, transportation costs, and market demand.

Project complexity: Site conditions, permitting requirements, and non-standard layouts can add 15–30% to total project cost.

Frequently Asked Questions

How much does a sunroom addition cost in Eau Claire?

Sunroom additions in Eau Claire cost $13,200–$105,600. A basic 3-season room (200 sqft) runs $13,200–$8,600. A 4-season heated/cooled sunroom costs $8,600–$39,600. A full solarium with glass roof can reach $105,600. Prefab kits start around $8,000–$15,000 but require a prepared foundation.

3-season vs. 4-season sunroom — what's the difference in Eau Claire?

A 3-season room has screened or thin-glass walls with no HVAC — comfortable spring through fall but unusable in winter in Eau Claire. A 4-season room has insulated walls, double-pane windows, and a mini-split system — livable year-round and often counts as conditioned square footage, adding more home value.

Does a sunroom add home value in Eau Claire?

A 4-season sunroom typically returns 50–70% of its cost at resale in Eau Claire. A well-built sunroom adds livable square footage, improves natural light, and has strong buyer appeal. 3-season rooms return less (30–50%) since they're seasonal.

Do I need a permit for a sunroom in Eau Claire?

Yes — sunrooms are permanent structure additions and require a building permit in virtually all jurisdictions in Eau Claire. You'll need architectural drawings for a 4-season room. Processing typically takes 2–6 weeks. Your contractor should handle the permit application.

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Estimated cost in Eau Claire

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Sunroom Addition Cost Calculator — Eau Claire