Sunrooms in Allen, TX

Four-season sunrooms — insulated, HVAC-ready, permitted, and built as a true year-round living space.

Sunroom additions in Allen create year-round indoor-outdoor living space — insulated, HVAC-extended, and permitted as a full structural addition to your home. We design and build sunrooms for Collin County homeowners who want more functionality than a screened porch without the complexity of a full home addition. Call (469) 721-0146. Response within 1 business day.

Get a Free Estimate Call (469) 721-0146

From $28,000 · Finance from $467/mo · Response Within 1 Business Day

Scope of Work

01Foundation and slab design
02Framing, windows, and exterior finish installation
03Insulation and vapor barrier
04HVAC duct extension or mini-split rough-in
05Interior finishes — flooring, paint, and trim

Why i30 Builders

01Fully permitted addition — Certificate of Occupancy included
02Insulated walls and ceiling for year-round HVAC efficiency
03HVAC extension or mini-split options coordinated in-house
04Interior finishes matched to your home's existing aesthetic

Allen homeowners tend to be detail-oriented and research-driven. We welcome that — our itemized quotes and transparent process are designed for exactly that kind of client.

How It Works

01
Design & Plan
We assess your existing slab or design a new foundation, discuss window systems and HVAC requirements before quoting.
02
Permit & Structural
Sunrooms are additions that require building permits and structural review. We manage all submissions and engineering coordination.
03
Build
Foundation, framing, windows, insulation, HVAC rough-in, and interior finishes installed by our in-house team.
04
CO & Walk
We coordinate Certificate of Occupancy for the addition and walk the finished room with you before sign-off.

Sunrooms FAQs for Allen

What's the difference between a sunroom and a screened porch in Allen?

A sunroom is a fully insulated, climate-controlled glass-wall addition — comfortable year-round regardless of outdoor conditions. A screened porch is open to air circulation and only usable in mild seasons. Sunrooms cost more but deliver dramatically more functionality and year-round comfort for Allen homeowners.

Do sunrooms require a building permit in Allen?

Yes — sunrooms are structural additions that require building permits, foundation work, and in some cases engineering review. We manage all permit applications and coordinate required inspections through the Allen building review department so the approval process doesn't become a bottleneck on your construction timeline.

Can you extend HVAC into a new sunroom in Allen?

Yes — HVAC extension is the most common approach for sunrooms across Allen. We coordinate duct sizing and extension as part of the project scope to ensure the new space is comfortable year-round. Mini-split systems are an alternative for larger additions or situations where existing duct capacity is limited.

Client Experience

“We have a covered concrete slab off the back of our house that we never used because the mosquitoes out here are absolutely brutal from May through October. i30 Builders converted it to a screened porch in about a week and a half. I asked specifically about pet-resistant screens because our lab destroys everything, and they knew exactly what I was talking about — showed me the 20x20 mesh rating. My husband was skeptical about the cost but now he's out there every evening. Worth every penny.”

Kayla Stutts

Caddo Mills, TX · Screened Porch Conversion

Start Your Sunrooms Project in Allen

Share your scope and timeline. We serve Allen with in-house trades and clear delivery — we respond within one business day.