Structural Engineer–Owned Design-Build Contractor Serving Castle Rock & Douglas County
Castle Rock is one of the fastest-growing communities between Denver and Colorado Springs, full of newer master-planned homes ready for finished basements, additions, decks, and updates. PrimeStone Construction Group is a structural engineer–owned design-build contractor serving Castle Rock — handling design, engineering, permits, and construction, including the town’s wildfire-resiliency requirements.
Get a Free Consultation → 720-468-0686
Serving Castle Rock, CO
PrimeStone serves all of Castle Rock and the surrounding Douglas County area. Here’s our service area:
Why Castle Rock Homeowners Choose PrimeStone
- Structural engineer–owned: In-house engineering for basements, additions, and decks on Castle Rock’s varied lots.
- Newer-home expertise: Castle Rock’s many 2000s–2020s homes are ideal for basement finishing, additions, and outdoor living.
- Wildfire-code aware: We build to the town’s adopted Colorado Wildfire Resiliency Code based on your property’s fire-intensity classification.
- eTRAKiT & registration: We’re registered with the Town of Castle Rock and handle the full eTRAKiT permit process.
- Family-focused design: From multi-gen spaces to growing-family additions, we design for how Castle Rock families live.
Our Services in Castle Rock
PrimeStone provides full construction and remodeling services across Castle Rock, with especially strong demand for:
Looking for a different service in Castle Rock — such as a whole-home remodel, an ADU, or a custom home? We do offer these throughout the Denver metro and surrounding area. Call us to discuss your project; we’re simply highlighting our most-requested Castle Rock services above.
Building Permits & Regulations in Castle Rock
Construction in Castle Rock is administered by the Town of Castle Rock Development Services (Building Division; 303-663-4440) through the eTRAKiT portal. Castle Rock adopted amended building codes (effective June 30, 2026) and the 2025 Colorado Wildfire Resiliency Code (effective July 1, 2026). Key points:
- Permits required: New construction, additions, basement finishes, decks, re-roofs, and mechanical/electrical/plumbing work require permits.
- Contractor registration: Contractors must hold a valid ICC-equivalent license, insurance, and current Town of Castle Rock registration before applying.
- Wildfire resiliency: Depending on your property’s fire-intensity classification (Low, Moderate, or High), new construction, additions, re-roofs, and some exterior work must meet wildfire-resiliency requirements.
- eTRAKiT portal: Applications, plan review, fees, and inspections run through the eTRAKiT Development Portal.
- Douglas County: Confirm your parcel is within Town of Castle Rock jurisdiction (vs. unincorporated Douglas County), which changes the permit path.
Castle Rock’s building-code amendments and wildfire-resiliency requirements are recent (2026) and change. PrimeStone confirms current requirements and your property’s fire-intensity classification with Castle Rock Development Services for every project.
Castle Rock Areas We Serve
We serve homeowners across Castle Rock’s master-planned communities, including The Meadows, Founders Village, Castlewood Ranch, Crystal Valley, and the neighborhoods around downtown and the Outlets. With so many newer homes, finishing an unfinished basement is one of the highest-value projects in Castle Rock, followed by decks and outdoor living, additions, and kitchen and bath updates.
Frequently Asked Questions
Does PrimeStone serve all of Castle Rock?
Yes. We serve homeowners across Castle Rock’s master-planned communities — including The Meadows, Founders Village, Castlewood Ranch, and Crystal Valley — and the surrounding area.
What’s the most popular project in Castle Rock?
Basement finishing. With so many homes built in the 2000s–2020s with unfinished basements, finishing one is an affordable way to add legal living space and value, followed closely by decks, additions, and kitchen updates.
Do Castle Rock’s wildfire rules affect my project?
They can. Castle Rock adopted the 2025 Colorado Wildfire Resiliency Code (effective July 2026). Depending on your property’s fire-intensity classification (Low, Moderate, or High), new construction, additions, re-roofs, and some exterior work must meet wildfire-resiliency requirements. We build to these standards.
Do I need a permit to build or remodel in Castle Rock?
Yes, for most projects. New construction, additions, basement finishes, decks, and trade work require permits through Castle Rock’s eTRAKiT portal, and contractors must be registered with the Town. PrimeStone handles the full process.
Is my property in Castle Rock or unincorporated Douglas County?
This matters because it changes the permit authority. We confirm your parcel’s jurisdiction before starting, so your project goes through the correct process.
Ready to Start Your Castle Rock Project?
Whether you’re finishing a basement, adding a deck, expanding your home, or updating a kitchen in Castle Rock, PrimeStone’s structural engineer–owned team delivers.
Get a Free Consultation → 720-468-0686 · info@primestonecg.com