Mark remodeled my main bathroom and did such a wonderful job! He was reliable and very pleasant to work with and he got the job done quickly. He paid great attention to detail and was really able to bring my vision to life. My bathroom was very outdated before, and now it’s absolutely beautiful! I couldn’t be happier with the work Dingle Development did. I am looking forward to working with Mark again on my guest bathroom and future projects!
Decks, Patios, and Outdoor Structures
ADU Construction in Jefferson County, CO
Dingle Development and Construction builds ADUs for Jefferson County homeowners who want more livable space on their property.
- Adds a fully independent living unit to your existing Jefferson County property
- Creates a legal rental income opportunity on a single-family lot
- Increases property value with permanent, permitted square footage
- Provides private space for family members without a separate purchase
- Builds to Jefferson County setback, height, and zone district standards from day one
- Covers water, wastewater, and fire mitigation reviews as part of the build process
Expert ADU Construction in Jefferson County, CO
ADU construction in Jefferson County gives homeowners a practical way to add a fully independent living unit to their property. At Dingle Development and Construction, we handle detached cottages, garage conversions, basement units, and attached additions on single-family lots across the county. Jefferson County allows one ADU per single-family detached lot in all agricultural and residential zone districts. Size limits, setback rules, and water and wastewater reviews all apply before a build can move forward. Properties in the county's Wildland Urban Interface also face structure hardening and defensible space requirements. We work through the two-part county review process, covering both Planning and Zoning compliance and Building Safety code requirements. Our team coordinates water district approvals, utility reviews, and site assessments so nothing gets missed. Whether you want space for family, a rental unit, or a dedicated home office, an ADU adds real square footage and long-term value to your Jefferson County property. Contact Dingle Development and Construction to talk through your lot and your goals.
What's included
- Adds a fully independent living unit to your existing Jefferson County property
- Creates a legal rental income opportunity on a single-family lot
- Increases property value with permanent, permitted square footage
- Provides private space for family members without a separate purchase
- Builds to Jefferson County setback, height, and zone district standards from day one
- Covers water, wastewater, and fire mitigation reviews as part of the build process
Custom Home Builder
Integrity and Precision
Full-Service Remodeling
Colorado-Based
Trusted Craftsmanship
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FAQ
ADU Construction FAQ
Common questions about adu construction in Jefferson County, CO.
Jefferson County allows one ADU on single-family detached lots in all agricultural and residential zone districts. Your lot size, zone district, and utility setup will determine which ADU type fits your property.
We build detached cottages, garage conversions, basement units, and attached home additions across Jefferson County. Each type has different size and setback rules based on your lot and zone district.
On lots of one acre or more in Jefferson County, a detached ADU may be up to 1,200 square feet or 40% of the primary home, whichever is less. Smaller lots have lower size caps based on county zoning rules.
Yes, Jefferson County requires a licensed general contractor for ADU construction. Dingle Development and Construction holds the required licensing to build ADUs in Jefferson County.
Properties in Jefferson County's Wildland Urban Interface must meet structure hardening and defensible space requirements. We account for these standards during the planning and build process.
Yes, Jefferson County homeowners can rent out an ADU on their single-family lot. The owner must occupy either the primary home or the ADU as their primary residence.
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Phone
(720) 648-8188Hours
- Monday 8:00 AM - 5:00 PM
- Tuesday 8:00 AM - 5:00 PM
- Wednesday 8:00 AM - 5:00 PM
- Thursday 8:00 AM - 5:00 PM
- Friday 8:00 AM - 5:00 PM
- Saturday Closed
- Sunday Closed