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Rendering of a modern two-story residence with a pool terrace

Killen Design Inc. · Naples, Florida

Construction documents and plans for condominiums, homes and commercial spaces across Southwest Florida, by Christian E. Killen, LEED AP, Design Professional.

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NaplesMarco IslandBonita SpringsSarasotaBabcock RanchPelican BayBay ColonyLido KeyCaptivaGolden Gate EstatesOlde NaplesNaplesMarco IslandBonita SpringsSarasotaBabcock RanchPelican BayBay ColonyLido KeyCaptivaGolden Gate EstatesOlde Naples

About the studio

I’m Christian E. Killen. For more than 25 years I worked alongside my late father, licensed architect Thomas E. Killen, at Killen Design Inc.

Today I continue the practice as a Design Professional, preparing construction documents for residential and commercial projects while I work toward Florida licensure through the ARE exams. A licensed Florida professional engineer reviews and certifies my documents for permitting.

More about me

Rendering of a contemporary residence front elevation
Longview Center · concept rendering

What I do

From a single condo bath to a full shopping center concept, every project gets the same attention to detail and code.

01

Condo & home remodels

Permit drawings for condominium units, kitchens, baths, additions and full renovations, coordinated with building associations and their remodel seasons.

02

New residential

Custom homes and builder models, from first concept and 3D renderings through construction documents.

03

Commercial build-outs

Tenant improvements, restaurant conversions, medical and office suites, and life-safety plans for permitting.

04

Sustainable design

Environmentally friendly design practices that minimize impact on the planet, backed by a LEED AP credential.

By the numbers

0+years with Killen Design Inc.
0builder model homes
0+custom homes
0Southwest Florida counties

Design drafting and construction documents for a wide range of buildings.

  1. 01Residential new construction
  2. 02Residential remodels and additions
  3. 03Condominium unit remodels
  4. 04Commercial condominium buildings
  5. 05Office buildings and unit renovations
  6. 06Veterinary buildings and remodels
  7. 07Dental and medical office remodels
  8. 08Restaurants, new and renovated
  9. 09School buildings and renovations
  10. 10Warehouses and warehouse units

Recent work, 2026

  • WestgateNaples · three condo remodels
  • Naples Continental ClubNaples · multiple condo remodels
  • The Contessa, Bay ColonyNaples · two condo remodels
  • The Salerno, Bay ColonyNaples · condo remodels
  • New custom homeMarco Island
  • Aqualane Shores residenceNaples · major remodel
  • Rosewood Residences, Lido KeySarasota · two condo renovations

All 2026 projects

Rendering of an open condominium kitchen and dining area

How it works

01

Conversation

We talk through your goals, the site or unit, your association or permitting requirements, and the schedule.

02

Concept & renderings

Layouts and real-time 3D renderings so you can see the space before anything is built.

03

Construction documents

Detailed drawings prepared for permitting, reviewed and certified by a licensed Florida professional engineer where required.

04

Permit & build support

I stay involved through permitting and construction questions. From start to finish, I will be there.

Rendering of a shopping center tower entry
Longview Center · concept

Featured concept

Longview Center

A full commercial shopping center: storefront buildings around a landscaped parking court, a covered arcade and tower entries with clay-tile roofs. Unbuilt concept design.

Explore the concept
Estate entry · rendering