Multigenerational Home Upgrades: Should You Renovate or Buy a New Multigen House?

Multigenerational Home Upgrades: Should You Renovate or Buy a New Multigen House?

As more families choose to live together across generations—grandparents, parents, and kids under one roof—multigenerational (multigen) living has become one of the top housing trends in Colorado and beyond. But when it’s time to make the move, should you buy a brand-new multigen home… or upgrade your current one?


At TrustWork Home Renovations, we help Colorado families create beautifully functional homes tailored to multigenerational living. In this guide, we’ll explore the pros, cons, and costs of both options—so you can make the right decision for your family and your budget.


What Is a Multigenerational Household?


A multigen household typically includes three or more generations living under one roof. This setup can:


Lower the cost of living per person

Allow for shared caregiving (childcare or elder care)

Strengthen family relationships

Support aging-in-place goals


Option 1: Buying a Multigenerational Home


What It Offers:

Homes built for multigenerational living often feature:

  • Separate entrances or in-law suites
  • Additional kitchenettes or bathrooms
  • Larger square footage
  • Zoned HVAC systems for comfort and privacy


Average Cost in Colorado (2025):

Multigen-specific homes are still niche in the market. If you can find one, expect to pay:


$700,000–$1M+ in the Denver metro area

Competitive bidding and limited inventory

Higher down payments and property taxes


Pros:

  • Ready-made for separation and privacy
  • Modern finishes and systems
  • Can accommodate very large families


Cons:

  • Limited availability
  • May require lifestyle compromises (commute, school district, etc.)
  • Higher upfront cost


Option 2: Renovating Your Current Home for Multigen Living


What It Offers:

Custom renovations can turn your existing home into a multigenerational haven by adding or upgrading:

  • Basement or garage apartment suites
  • Additional bathrooms or a second kitchen
  • Soundproofing and private entrances
  • Accessibility upgrades (walk-in showers, ramps, wider doorways)


Average Cost (2025):


Renovation Type 
                  Average Cost       


Basement ADU Conversion: $75,000–$150,000

Garage Conversion/In-Law Suite: $60,000–$120,000 

Additional Bathroom/Kitchenette: $20,000–$40,000 

Accessibility Upgrades: $10,000–$25,000 


Pros:

  • Stay in the neighborhood you love
  • Custom design for your family’s needs
  • Lower cost than buying new
  • Adds long-term resale value


Cons:

  • Construction timeline and disruption
  • Permit process can vary by city
  • Requires existing space or lot size



Which Is More Cost-Effective?


Renovating your current home often saves $100,000 or more compared to purchasing a brand-new multigenerational home—especially when you factor in moving costs, closing fees, and the current housing market.


Plus, with TrustWork Home Renovations, your remodel is completely custom—designed to meet your family's unique needs, whether that's creating privacy for grandparents, space for teens, or flexibility for working parents.


Let’s Build a Home That Works for Everyone


Whether you're looking to add a private suite, convert a basement, or make your home more accessible for aging family members, TrustWork Home Renovations brings experience, compassion, and craftsmanship to every project.


Serving Colorado families since 2022, we specialize in turning single-family homes into multi-generational sanctuaries.


Ready to Get Started?


Let’s make space for what matters most—family.


About Trustwork Home Renovations

Trustwork Home Renovations is a premier home renovation company serving Arvada, Boulder, Broomfield, Erie, Lafayette, Longmont, Louisville, Superior, Thornton, Westminster, and surrounding areas near the Denver Metro. We specialize in kitchen remodels, bathroom renovations, basement finishing, and full home transformations. Our skilled team provides all of the services needed for interior remodeling including electrical, plumbing, carpentry, painting, tiling, drywall, and finishing. With a 5-star rating and a 100% satisfaction guarantee, we are committed to delivering top-quality service with speed and integrity.

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