If you can imagine it,We can design and custom build it!
Serving all of Southwest Washington including the Long Beach Peninsula
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Started in 1982 - Put experience to work for you.
We are a small custom home builder where you will get personal hands-on-service with volume builder type pricing.
When you call, Paul Karlsen is the one answering the phone.
We specialize in building custom homes on your lot and really enjoy the process of helping your start with a raw piece of ground and turning it into your custom home vision.
Our goal is always to get this done as efficiently as possible. We do this by:
- Having a highly organized job site.
- Using only the most professional, experienced craftsmen.
- Being a hands-on builder personally supervising the job site.
- Consistently paying all suppliers and subcontractors on time, and in full, in return for the best pricing available.


Started in 1982 - Put experience to work for you.
We are a small custom home builder where you will get personal hands-on-service with volume builder type pricing.
When you call, Paul Karlsen is the one answering the phone.
We specialize in building custom homes on your lot and really enjoy the process of helping your start with a raw piece of ground and turning it into your custom home vision.
Our goal is always to get this done as efficiently as possible. We do this by:
- Having a highly organized job site.
- Using only the most professional, experienced craftsmen.
- Being a hands-on builder personally supervising the job site.
- Consistently paying all suppliers and subcontractors on time, and in full, in return for the best pricing available.
See our available pre-designed plans
Designing and building custom construction projects since 1982!
Hear what customers have to say about Karlsen Building.




- Site graded for crawlspace, backfilled.
- Solid concrete poured footings and foundation with rebar and venting.
- 2x6 exterior walls at 16" on center.
- NO CORNERS CUT ON LUMBER
- Walls are sealed and stuffed with fiberglass insulation.
- Windows are an excellent vinyl built for the Northwest.
- Site graded for crawlspace, backfilled.
- Solid concrete poured footings and foundation with rebar and venting
- 2x6 exterior walls at 16" on center.
- NO CORNERS CUT ON LUMBER
- Walls are sealed and stuffed with fiberglass insulation.
- Windows are an excellent vinyl built for the Northwest.
- Weyerhauser edge gold sub flooring. Glued, nailed, screwed. (No squeaks allowed zone)
- Silent floor system upstairs on 2 story homes with 3/4" subflooring also glued, nailed, screwed
- 2x4 interior walls at 16" on center.
- Painted elite doors, your choice of styles.
- All painted woord wrapped windows, doors closet doors, and base.
- Solid Hemlock railings on 2 story homes to top of steps. Clear lacquer coated.
- Weyerhauser edge gold sub flooring. Glued, nailed, screwed. (No squeaks allowed zone)
- Silent floor system upstairs on 2 story homes with 3/4" subflooring also glued, nailed, screwed
- 2x4 interior walls at 16" on center.
- Painted elite doors, your choice of styles.
- All painted woord wrapped windows, doors closet doors, and base.
- Solid Hemlock railings on 2 story homes to top of steps. Clear lacquer coated.
Call for information on available plans or a quote on your dream home.