We provide specialized diagnosis, repair, and reinforcement of structural and foundation systems for residential and complex hillside properties. Our work addresses settlement, cracking, load bearing concerns, and soil related movement that can compromise long term performance and safety.
Millsap Degnan & Associates Inc.
Residential construction specialists providing structural repairs, custom homes, remodeling, hillside construction, inspections, and expert consulting throughout Marin County & the Bay Area.
Ready to get started?
Contact our team today to discuss your project and discover the right solution for your property.
40+ Years of Experience
Four decades of residential construction across Marin County and the greater Bay Area.
Built on consistent results, long term client relationships, and work that stands the test of time.
Fully Licensed & Insured
California Contractors License #777635
We operate with full licensing and insurance to ensure every project is delivered with professionalism, accountability, and protection for our clients.
Local Expertise
Deep experience building in Marin County and surrounding Bay Area communities.
From coastal conditions to hillside terrain, we understand the challenges of building where you live and how to deliver lasting results in these environments.
Commitment to Quality
We take pride in every detail of our work and stand behind each project with integrity, care, and accountability from start to finish.
↓ SELECT THE SERVICE YOUR PROPERTY NEEDS ↓
Structural and Foundation Systems
Remodels and Custom Homes
Custom residential construction tailored to your home and lifestyle. We deliver kitchen and bathroom remodels, home additions, accessory dwelling units, and full scale renovations. Each project is thoughtfully designed to complement the architectural character of the home, respond to site conditions, and meet the unique needs of the homeowner.
Hillside Construction and Site Development
We specialize in grading, drainage, and site development for challenging hillside and complex terrain conditions throughout the Bay Area. These projects often require careful planning and execution due to steep slopes, soil movement, water management concerns, and access constraints.
Expert Witness Services
Qualified expert testimony related to land movement, drainage issues, slope conditions, erosion, and site related construction concerns. We provide objective site evaluations, technical analysis, and clear expert opinions to assist attorneys, insurance professionals, property owners, and other stakeholders in understanding the causes of movement, identifying contributing factors, and evaluating potential solutions.
Drainage and Structural Inspection Services
Thorough drainage and structural inspections to identify foundation concerns, water intrusion risks, drainage deficiencies, structural movement, and signs of deterioration. Whether you are evaluating an existing property, investigating a concern, or planning future repairs, we provide detailed assessments, clear documentation, and practical recommendations to help you better understand your property and make informed decisions with confidence.
Property Maintenance and Repair Services
Professional repair and maintenance services to protect the safety, performance, and long term value of your home. Whether you’re addressing wear and tear, correcting damage, or completing long overdue repairs, our experienced team delivers quality workmanship and practical solutions.
OUR APPROACH
Experience Built on Decades of Residential Construction
For over 40 years, Millsap Degnan & Associates Inc. has partnered with homeowners across Marin County and the greater Bay Area to solve complex structural challenges and create functional, high quality residential spaces. Founded in 1985 by Steve Millsap and Douglas Degnan, the company is built on experience, reliability, and long term construction performance. Our work includes custom homes, major remodels, structural upgrades, foundation systems, and hillside construction, all approached with an engineering driven mindset focused on smart solutions and lasting quality.
OUR PROCESS
Initial Consultation
Step 1
We begin by learning about your property, your goals, and the scope of your project. This allows us to understand your needs and recommend the most effective approach.
Project Development
Step 2
Our team evaluates the site, identifies potential challenges, and develops a clear plan that may include engineering coordination, permitting, budgeting, scheduling, and project logistics.
Project Execution
Step 3
With a plan in place, our experienced professionals complete the work with a focus on quality craftsmanship, safety, communication, and attention to detail throughout every phase of the project.
Lasting Partnership
Step 4
Our relationship continues after the project is complete. Whether you need maintenance, inspections, repairs, additional improvements, or expert consultation, we're here to provide dependable support for years to come.
What Our Clients Say
AREAS WE SERVE
Trusted Across Marin County &
the Bay Area
We proudly serve homeowners and property owners throughout Marin County and the greater Bay Area. Our work is regularly completed in communities including San Rafael, Mill Valley, Tiburon, Belvedere, Larkspur, Corte Madera, Kentfield, Ross, Fairfax, Novato, and Sausalito, as well as select projects in Sonoma County, Napa, Berkeley, Concord, and surrounding Bay Area regions.Our focus remains on delivering high end residential construction and complex remodeling work within the communities where we have long standing relationships and deep local experience.
Experience the Millsap Degnan difference.
Work with our experienced team dedicated to bringing your project from concept to completion with clarity, care, and precision.