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Business Details
28 Years
experience
Custom Home Builders in Friday Harbor, WA
As the owner of JAJ Construction, I have dedicated 25 years to crafting custom homes, remodels, and additions on San Juan Island. My commitment to transforming clients' visions into reality is rooted in meticulous attention to detail, a professional team of skilled craftsmen, and a deep understanding of island construction challenges. We prioritize clear communication, timely execution, and maintaining strong relationships with local subcontractors to ensure seamless project delivery. Our focus on quality craftsmanship is evident in the enduring satisfaction of homeowners who trust us with their most significant investments.

From concept to completion, we guide clients through every phase, ensuring their dream homes become tangible realities. Our reputation for integrity, reliability, and excellence has been built through decades of delivering projects that exceed expectations, even under complex logistical conditions like remote material sourcing and terrain-specific design adaptations.
Services
Custom Homes Remodels Additions Guest Houses Custom Bunk Beds
Details
  • Year established: 1998
Highlights and features
  • We offer 25 years of San Juan Island custom home expertise
  • Our team ensures clean job sites and timely subcontractor coordination
  • We provide personalized communication from concept to completion
  • Our local relationships guarantee quality plumbing and electrical work
  • We deliver proven solutions for challenging island construction logistics
What people say
Excellent workmanship Highly recommend On time completion Professional team Creative problem solving
Services
Custom Homes
Design and build fully customized residences tailored to island living. Our process includes site evaluation, budget planning, and permit acquisition. Clients benefit from 25 years of local expertise in overcoming logistical challenges like barge-delivered materials and slope-specific engineering.
Remodels
Transform existing spaces with precision upgrades. We handle complete interior/exterior renovations, including complex projects like bathroom and kitchen overhauls. Our team ensures minimal disruption while maintaining structural integrity and enhancing functionality for San Juan Island properties.
Additions
Expand living spaces with seamless structural integrations. Services include garage additions and room extensions that match original architecture. We maintain strict timelines and coordinate all permitting to ensure smooth expansion projects on challenging island terrains.
Guest Houses
Construct standalone guest accommodations that complement primary residences. Our custom designs address unique site conditions while maintaining aesthetic continuity. Clients receive dedicated project management from foundation to finishing touches.
Custom Bunk Beds
Create bespoke furniture solutions like our signature bunk beds. This specialized service combines functional design with artistic craftsmanship. Each piece receives individual attention to ensure perfect integration with existing interior spaces.
People
Jeff Jensen
Owner / General Contractor
Jeff Jensen has built custom homes and completed renovations on San Juan Island for 25 years. His expertise in overcoming island-specific construction challenges, commitment to quality craftsmanship, and direct client communication have established JAJ Construction's trusted reputation.
Questions
What types of projects does JAJ Construction specialize in?
We focus on custom homes, remodels, additions, and specialty projects like custom bunk beds on San Juan Island.
How long has JAJ Construction served San Juan Island?
Jeff Jensen has built homes and completed renovations locally for 25 years, establishing trusted community relationships.
Can out-of-area clients work with JAJ Construction?
Yes, we've successfully completed projects for clients living outside Washington through reliable communication and project management.
How does JAJ handle island construction challenges?
We manage material logistics, terrain-specific design adaptations, and coordinate with experienced local subcontractors for seamless execution.
What quality assurance measures are in place?
Our 16-year-old completed projects show no structural issues, with windows and doors maintaining perfect seals through seasonal changes.