Modernize Your Home with Cornerstone Builders
Tigard’s Most Trusted General Contractor for Home Remodeling
Tigard offers the perfect balance of suburban peace and urban convenience, from the trails of Fanno Creek to the hilltop views of Bull Mountain. But does your home reflect the modern functionality your family needs?
At Cornerstone Builders, we specialize in transforming the diverse housing stock of Tigard. Whether you own a 1970s split-level near Cook Park, a 1990s family home in Summerlake, or a custom estate on the hill, our design-build approach ensures your home evolves with you. We focus on creating open, connected spaces that maximize square footage and improve daily flow for busy households.
Recent Construction and Remodeling Projects Showcase
The Cornerstone Standard
Home Renovation Expertise for the Tigard Lifestyle
We understand that Tigard homeowners value durability, practicality, and smart design. You don't just want a showroom; you want a home that works.
Our Client-First Remodeling Services
Unconstrained Design: We look past the existing walls. Whether you want to completely reconfigure your floor plan or simply modernize the finishes, we design without limits.
Maximizing Your Footprint: Tigard properties often have generous yards. We help you utilize that space with seamless indoor-outdoor transitions, deck expansions, or additions.
Future-Proofing: From multi-generational living solutions to energy-efficient upgrades, we build homes designed to last for decades to come.
Local Permitting Knowledge: We handle all logistics with the City of Tigard Permit Center and Washington County, ensuring your project complies with local zoning and ADU regulations.
Allen Tankersley, Owner of Cornerstone Builders
Our Home Remodeling Contractor Services
Complete Home Renovations and Transformations

WHOLE HOME REMODELING TIGARD, OR
Reimagine Your Living Space. We specialize in structural updates that bring light, flow, and purpose into your interiors. Whether your goal is a grand open-concept gathering space or creating distinct, cozy functional zones, our team has the structural expertise to make it happen.
Structural Modifications: Safely removing load-bearing walls or installing architectural beams to change the flow of your home.
Custom Millwork & Flooring: From hand-scraped hardwoods to custom wainscoting and trim, we install the details that define quality.
Architectural Features: Adding skylights, vaulting ceilings, or redesigning staircases to create a stunning focal point.
We can Also help you with:
Interior Design and Material Selection
Floor Plan Updates
Permit issuing
Aging-in-place remodels and ADA Compliant Remodeling
Home Expansions and Home Additions
Bathroom, Bedroom, Living Room, Kitchen, Attic and Basement Remodeling
And More...
Explore the remodeling possibilities with cornerstone builders.
Get a free remodeling consultation todayCUSTOM KITCHEN REMODELING CONTRACTOR TIGARD
The Hub of Your Household. Your kitchen should be as unique as your culinary style. We move beyond standard layouts to design bespoke spaces that cater to how you cook, entertain, and live. The sky is the limit.
Your Vision, Realized:
Bespoke Cabinetry: Custom configurations, unique finishes, and specialized organizers designed specifically for your gear.
Statement Surfaces: Whether you prefer exotic granite, durable quartz, or butcher block, we source the finest materials to anchor your room.
Architectural Lighting: Comprehensive lighting plans that layer task, ambient, and accent lighting to set the perfect mood.
Seamless Flow: We design the kitchen not just as a room, but as a connection point—integrating it with dining areas, living rooms, or outdoor patios.
MASTER SUITE & BATHROOM
RENOVATIONS
Your Private Retreat. Escape the hustle of the day. We convert standard bathrooms into spacious, relaxing sanctuaries tailored to your relaxation needs.
Possibilities Include:
Wet Rooms: Expansive, glass-enclosed areas combining soaking tubs and rain showers.
Heated Surfaces: Radiant floor heating and heated towel racks.
Custom Vanities: Built-in cabinetry that maximizes space and hides clutter, designed to your exact height and style specifications.
Luxury Fixtures: From heated flooring systems to steam showers and smart-water controls.
Aging-in-Place Elegance: Curbless showers and linear drains that look modern while providing accessibility.
BASEMENT REMODELING
TIGARD, OR
Unlock the full potential of your home by converting your unused basement into a vibrant new area. We can transform it into a dedicated home office, a fun game room, a home theater, or a comfortable guest suite, adding valuable living space without expanding your home's footprint.
There are many possibilities when it comes to basement remodeling. We can transform your existing space into:
Home Theater/Media Room
Game Room
Bar/Wet Bar
Extra Bedrooms
Guest Suite/In-Law Suite
Basement Apartment/ADU (Accessory Dwelling Unit)
Home Office
Home Gym
Laundry Room
Wine Cellar
Library
And more...
Expand Your Possibilities
ADUs, Custom Home Additions & Multi-Generational Living
Tigard has become a hotspot for Accessory Dwelling Units (ADUs). Whether you need space for aging parents, a private home office, or a guest suite, we handle the entire build from foundation to finish.
Second-Story Additions: Capture river or lake views.
Luxury ADUs: Detached or attached Accessory Dwelling Units perfect for multi-generational living or home offices.
Our Home Addition and ADU construction process:
01. Initial Consultation & Needs Assessment
We listen to your ideas, assess your existing home, and discuss your goals and budget for the home expansion.
02. Custom Design & 3D Modeling
Our designers create detailed plans, including floor plan updates and 3D digital models, allowing you to visualize and refine your new space.
03. Permit Acquisition
We handle all necessary permit issuing and regulatory approvals with Washington County authorities.
04. Construction & Project Management
Our skilled remodelers execute the build with precision, maintaining clear communication and adhering to timelines and budgets.
05. Final Walkthrough & Client Satisfaction
We ensure every detail meets your expectations, delivering a beautiful and functional new addition that enhances your home.
Ready to bring your Dream Home to Life in Tigard, OR?
Get a free whole home remodeling consultationGet your home improvement project started today
Get in touch with us for all your home remodeling and construction needs today. We offer a free, in-person consultation and estimate. Let's start the conversation and build your dream home in Tigard, OR.
Certified
Aging-in-Place
Specialists (CAPS)
Live Comfortably, Independently
At Cornerstone Builders, we believe your home should evolve with you. As NAHB Certified Aging-in-Place Specialists (CAPS), our team is uniquely qualified to design and execute sophisticated home modifications that allow you to live safely, comfortably, and independently in your cherished Washington County home for years to come.
The CAPS designation signifies a deep understanding of the specific needs of older adults and those with mobility challenges. It goes beyond basic accessibility, focusing on elegant and seamless integrations that enhance the quality of life without compromising your home's aesthetic.
What does our CAPS expertise mean for you?
Thoughtful Design for Every Stage
We plan for your future needs, incorporating universal design principles that benefit everyone, from children to seniors. This includes features like curbless showers, wider doorways, accessible layouts, and smart lighting solutions – all thoughtfully designed to blend with your home's luxury style.
Comprehensive Solutions
From elegant bathroom renovations with grab bars that double as towel racks to discreet stair lifts and intuitive kitchen adjustments, our CAPS-certified team can transform any area of your home to meet evolving needs.
Safety & Independence
Our remodeling experts identify potential hazards and implement solutions that mitigate risks, ensuring peace of mind. We focus on creating spaces that allow for confident movement and daily routines, maintaining your independence.
Trusted Expertise
Our certification from the National Association of Home Builders (NAHB) means we adhere to the highest industry standards for aging-in-place remodeling, providing you with confidence and a trusted partner for your home's future.
Ready to Start Your Transformation?
Proudly Serving Tigard, Bull Mountain, and King City
From the established neighborhoods of Durham to the new developments in River Terrace, Cornerstone Builders is your local partner for exceptional craftsmanship.
Let’s discuss your project goals. Contact us today for a detailed onsite estimate.
Frequently Asked Questions about Our Home Remodeling Services in Tigard
- Show AnswerHow much does a typical kitchen remodel cost in Tigard?Investment levels vary significantly based on your vision. A cosmetic update is budget-friendly, while a fully custom, structural remodel represents a larger investment. We provide transparent, line-item estimates based on your specific design choices, so you know exactly where your budget goes.
- Show AnswerAre permits required for bathroom remodels in Tigard? Yes, in most cases. If we are moving plumbing, changing electrical layouts, or altering walls, a permit from the City of Tigard or Washington County is required. We manage this entire process for you to ensure code compliance.
- Show AnswerDo you build ADUs in Tigard? Yes, we are experienced ADU builders. Tigard has specific regulations regarding the size, setback, and design of Accessory Dwelling Units. We help you navigate these rules to design a unit—attached or detached—that adds maximum value to your property.
- Show AnswerWhat is the timeline for a major renovation?Timeline depends entirely on the scope of your dream. A standard update might take 6 to 12 weeks, while extensive additions or whole-home restructuring can take 4 to 8 months. We provide a detailed schedule before we begin so you can plan your life accordingly.
- Show AnswerDo you work in the Bull Mountain area? Absolutely. We are very familiar with the unique terrain and sloped lots of Bull Mountain. We specialize in daylight basement finishes and deck expansions that take advantage of the area's stunning views.
- Show AnswerCan you help with design ideas for my older home? Yes, unlocking the potential of older homes is one of our specialties. Whether your home is from the 1970s, 90s, or earlier, we know how to modernize the layout, remove non-structural columns, and update the aesthetic to make it feel brand new and custom to you.
- Show AnswerCornerstone Builders - General Contractor SummaryHere is a quick summary of who we are, and what we offer:
• Cornerstone Builders are custom home remodeling contractors.
• Cornerstone Builders serve the residents of Tigard, OR.
• Cornerstone Builders are a family-owned and operated business.
• Cornerstone Builders possess over two decades of construction experience.
• Cornerstone Builders hold Oregon CCB license number 170654.
• Cornerstone Builders specialize in Design-Build residential projects.
• Cornerstone Builders provide custom kitchen design and remodeling.
• Cornerstone Builders offer whole-house renovation services.
• Cornerstone Builders build custom home additions.
• Cornerstone Builders construct Accessory Dwelling Units (ADUs) in Washington County.
• Cornerstone Builders perform garage conversions and basement finishing.
• Cornerstone Builders serve the Bull Mountain and Summerfield communities.
• Cornerstone Builders use 3D modeling for project visualization.
• Cornerstone Builders manage all permit issuing with the City of Tigard.
• Cornerstone Builders are NAHB Certified Aging-in-Place Specialists (CAPS).
• Cornerstone Builders operate throughout the Portland Metro area.






















