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ADUs & DADUs
Accessory and detached accessory dwelling units that create new rental income streams or flexible living space — fully permitted and code-compliant.
Residential Works · Seattle · Est. 2024
Unlock More Value From Your Property.
Renovations, additions, and infill projects that transform Seattle properties, and maximize their long-term potential.
N° 01 / Tacoma Triplex Front Before
What We Build
Specialized in
Specialized in
residential transformation
From ADUs to full investor renovations — we handle the complexity so you can focus on the outcome.
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Basement Conversions & AADUs
Transform underutilized basement space into a permitted, income-generating attached accessory dwelling unit with minimal disruption to your existing home.
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Additions & Space Expansion
Thoughtfully designed additions that integrate with your existing structure — whether a new bedroom, great room, or a full second story.
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Investor Renovations
Full renovations scoped for ROI — single-family flips, multifamily upgrades, and value-add projects managed with investor-level precision and transparency.
Our Principles
How we operate
The leadership principles that shape every decision, project, and partnership at Integritas.
Customer Obsession
Design around customer goals and value. Every decision starts with what serves the owner.
Build Smart
Eliminate waste and maximize every dollar. Disciplined scope, sharp sequencing, real value.
Deliver Results
Own commitments and execute relentlessly. Predictable timelines, accountable progress.
Craftsmanship Matters
Build quality that lasts generations. Every joint, every finish, every detail held to a higher standard.
Recent Work
Featured Projects
Completed 2024 
N° 01
Tacoma Triplex Conversion – Brewery District – 2347 S J St
This project involved the full conversion of a single-family home into a functional, income-producing triplex. Integritas Construction managed the entire process end-to-end, including design, permitting, construction, and lease-up. The scope required reconfiguring the layout to create three independent units, upgrading systems, and bringing the property up to current code while maintaining efficiency and livability across […]
Completed 2024 
N° 02
Triplex Renovation – Tacoma General Hospital Area – 611 MLK
This project focused on repositioning an existing triplex through targeted renovation to improve rental quality and overall performance. One unit was fully gutted and rebuilt, while the remaining units received cosmetic upgrades including new finishes, fixtures, and general improvements. Completed in approximately three months, the renovation delivered clean, functional units ready for tenants, with a […]
Completed 2025 
N° 03
Attic Conversion & Primary Suite Addition
OverviewThis project focused on transforming an underutilized attic into a fully functional primary suite, adding significant livable square footage and long-term property value to the home. The scope included structural modifications, new stair access, a full bathroom addition, insulation upgrades, electrical work, and finish carpentry throughout the new space. Project Scope– Conversion of unfinished attic […]
Completed 2025 
N° 04
Basement ADU Conversion
Converting Unfinished Basement Space Into a Permitted ADU OverviewThis project involved the full conversion of an unfinished basement into a legal accessory dwelling unit (ADU), creating an independent living space designed for long-term rental income and increased property utility. Project Scope– Permitted basement ADU conversion– Installation of egress windows– New electrical service and panel upgrades– […]
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How It Works
A clear path
A clear path
from idea to completion
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Initial Consultation
We discuss your property, goals, and constraints. No generic proposals — just a direct conversation about what's achievable and what it takes.
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Feasibility & Scoping
Site assessment, zoning review, preliminary budget, and timeline. You get a clear picture before committing to anything.
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Design & Permitting
We coordinate with architects and navigate the permit process on your behalf. Most clients don't touch a single form.
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Construction
On-site execution with weekly updates, a dedicated project manager, and transparent access to scheduling and budget status throughout.
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Completion & Handoff
Final walkthrough, documentation packet, and post-project support. We stand behind the work long after the last nail is in.
About
Building with the precision
Building with the precision
of a business analyst,
the craft of a builder
Morgan Iacolucci · Founder & Principal
Morgan Iacolucci founded Integritas Construction after a career at Deloitte, Amazon, and T-Mobile, bringing financial rigor and operational discipline to an industry where both are rare. The result is a construction company that communicates like a business partner and builds like a craftsman.
We specialize exclusively in residential renovation and infill projects in the Greater Seattle area. That focus isn't a limitation. It's what lets us do this work exceptionally well.
Prior background: Deloitte · Amazon · T-Mobile
20+
Years in Construction
42
Projects Completed
68%
Repeat Clients
Licensed
Bonded
Insured
Seattle Based
“Working with Morgan felt completely different from other contractors we'd used. He showed up prepared, communicated constantly, and delivered exactly what he promised — on budget and two weeks early.”
— Placeholder Client Name
Seattle Homeowner · ADU Project