Adding a basement will provide you with the value of a new lasting foundation. By updating your foundation, you will also be gaining the value of more square footage, resulting in an increase in home equity! Our team specializes in basement additions, basement excavation, and full foundation replacement to ensure long-term structural stability.
You can also add a secondary unit below with a private entrance, giving you the ability to rent out for monthly income! This makes basement ADUs, basement apartments, and secondary living spaces a smart investment for Colorado homeowners.
Once SQC replaces your foundation, we can help you design and finish out your new space. This allows you to work with one contractor start to finish! We handle basement finishing, basement construction, and structural upgrades all under one roof.
We specialize in foundation replacements, basement additions, basement renovations, and structural foundation construction.
We specialize in Foundation replacements, basement additions & renovations.
Add a basement now!
Adding a basement will provide you with the value of a new lasting foundation. By updating your foundation, you will also be gaining the value of more square footage, resulting in an increase in home equity! Our foundation replacement services in Colorado ensure your home is supported by a strong, engineered structure.
You can also add a secondary unit below with a private entrance, giving you the ability to rent out for monthly income! Many homeowners use this opportunity to create basement rentals, in-law suites, or investment units.
Whether you’re planning a major renovation, need structural repairs, or want to add value to your home, Sanderson Quality Construction is here to help. We provide honest, detailed estimates and expert guidance for all your construction needs.
A basement addition involves excavating below your existing home — or replacing a failing foundation — to create new usable space. It enhances your home’s structural integrity, increases square footage, and boosts equity by adding functional living areas that didn’t exist before. Many homeowners transform these spaces into family rooms, rental units, or in-law suites.
In most cases, yes — but feasibility depends on factors like your current foundation, soil conditions, and local building regulations. Homes with crawl spaces or elevated foundations are often easier to retrofit with a basement, whereas slab foundations may require more engineering and cost. An on-site evaluation is the best way to determine what’s possible for your home.
Every project is unique, but the actual foundation replacement component typically takes about four weeks — including excavation, forming, and curing the new concrete. More complex designs, permits, and finishing work will extend the timeline accordingly.
Yes. We coordinate engineering, local permitting, and inspections so you don’t have to. Our goal is to simplify the process from start to finish and ensure your project meets every code requirement, keeping you safe and compliant.
Basements are incredibly versatile — you can build:
Costs vary based on home size, foundation type, site conditions, and finish level. Excavation and replacement are the most intensive parts of the job. We provide detailed estimates after evaluating your home so you can plan confidently. Many homeowners find that adding a basement offers excellent long-term value and increased resale potential.
Absolutely. Adding square footage, especially functional living space like bedrooms or rental units, typically increases your resale value and appeal on the market. Basements also improve structural stability when paired with foundation upgrades, giving both practical and financial benefits.
Yes — we offer complete service from excavation and foundation work to interior finishing. That means you can work with one trusted contractor from start to completion, avoiding gaps between trades and ensuring a cohesive design.
Proper waterproofing and drainage are fundamental to any basement project. This includes sealants, exterior drainage systems, and grading adjustments as needed. Preventing moisture not only protects the structure but also keeps living spaces comfortable and dry for years to come.
Full foundation replacements usually take 4 weeks. It could be done quicker, but we like to give the concrete ample cure time! This ensures a structurally sound result for your new basement foundation and structural supports.
More complex projects require more complex timelines!
