J Co Constructions

Sunshine Coast · Custom Homes · Knockdown Rebuilds

A custom home built by J Co Constructions on the Sunshine Coast

The builder for the home you have in your head.

J Co Constructions is a Sunshine Coast builder specialising in luxury custom homes and knockdown rebuilds. Family-owned since 2012, we combine award-winning craftsmanship with a personalised approach, helping clients create homes that reflect their lifestyle.

Book your obligation free consultationHow we build

2012

Family owned since

200+

Homes completed across the Coast

20

Homes a year — our deliberate cap

6.5 yr

Structural guarantee on handover

Two ways to build with J Co.

Multi-Award Winning Builder · Family owned since 2012

Interior of a J Co custom home on the Sunshine Coast

Custom Homes

A home designed around how you live — we guide you from first sketch through selections to handover, capping our builds at 20 homes a year so every client gets us.

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A knockdown rebuild project underway on the Sunshine Coast

Knockdown Rebuild

Stay in the location you love. We manage surveys, soil testing, demolition and construction — one experienced local team from the old house to the new keys.

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Plans by J Co

Predesigned homes, priced up front.

Our own design series for clients who want the J Co build without the full custom journey — tried and tested plans with known costs and quicker build times.

View the plans range
The Modern Maddox, a Plans by J Co design
Popular in the rangeModern Maddox

Sheet 01 — The J Co Process

Six steps. No surprises.

See the full process

  1. 01

    First Meeting

  2. 02

    Preliminary Design + Quoting

  3. 03

    Selections

  4. 04

    Approvals Certification + Engineering

  5. 05

    Construction

  6. 06

    Handover

Featured projects.

All projects
The J Co Constructions team

Who we are

A family team, on site and on the phone.

Joe McGuirk personally answers your calls and is with you throughout the whole build, backed by a passionate crew of supervisors, designers and administrators — most of us born and bred on the Coast.

Meet the team

Ready to take the first step?

Book your obligation free initial consultation with a multi-award winning Sunshine Coast builder.

Call 07 5443 3976Enquire online