Remodeling & Additions
Key Features
Additions and reconfigurations (new wings, suites, ADUs, studios)
Structural/foundation upgrades with seismic and soil-driven solutions
Envelope improvements: windows/doors, insulation, weatherproofing
Kitchen and bath overhauls with custom cabinetry, stone, and specialty fixtures
Systems modernization: HVAC, electrical, plumbing, and integrated controls
Heritage-sensitive detailing with exact paint, plaster, and millwork matching
Interior architecture: stair redesigns, larger openings, ceiling treatments, light optimization
Phased construction and protection plans to minimize disruption
Permitting, plan-check, and HOA coordination
Mockups and sample approvals; clear schedule, budget, and quality tracking
Post-completion tune-ups and optional maintenance programs
Why Choose Us?
35+ Years, Proven Delivery
A referral-built practice with decades of on-time, on-standard completions.
Relationship-Driven
One point of accountability, clear communication, and clients who return project after project.
Full-Scope Partnership
Pre-construction planning through post-occupancy care, with stewardship long after handoff.
Bespoke Craftsmanship
Materials, methods, and detailing tailored to your vision—mockups, samples, and exacting finish standards.
Range of Architecture
Classical to contemporary; we match the language of the design without compromise.
Flexible Project Scope
Ground-up estates, major additions, focused remodels, and ongoing maintenance programs.
Hanseth Construction is a creative and reliable construction company.
Frequently Asked Questions
Earlier is better. We provide pre-construction input on constructability, phasing, and budgets so your architect can design with real numbers and lead times.
Open-book estimating with a detailed schedule of values, clearly defined allowances, and a written change-order protocol. You’ll see alternates and value-engineering options before decisions.
We do. We assist in all permitting requirements—submittals, comment tracking, and coordination for planning, building, coastal/wildfire, and HOA or historical boards.
We are licensed, insured, and bonded building contractors. We provide certificates naming the owner as additional insured and can arrange project-specific bonding when required.
Yes. We maintain numerous local references and, when privacy allows, arrange private walk-throughs of recent work.