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HIGHLANDS RANCH SERVICES

Waterproofing in Highlands Ranch

Licensed waterproofing services for Highlands Ranch and Douglas County. Keep water where it belongs.

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Waterproofing

Keep water where it belongs

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Local Service

Waterproofing Services in Highlands Ranch, Colorado

Autotelic provides professional waterproofing services throughout Highlands Ranch and the surrounding Douglas County area. Foundation waterproofing, basement sealing, drain tile systems, and sump pump installation for dry, protected spaces. Whether you're in Highlands Ranch (large master-planned community) or nearby communities, our team delivers quality workmanship backed by Colorado licensing and full insurance coverage.

Permits & Licensing

Permits in Highlands Ranch

Highlands Ranch is unincorporated, so building permits there are issued by Douglas County's Building Division rather than a city government. The county's Contractor Registration Program requires contractors applying for permits to be registered with the county first. Authority: Douglas County — Building Division.

Permit Thresholds

Highlands Ranch permit thresholds

Code reference
Douglas County has adopted the 2024 International Residential Code (IRC) with local amendments, effective July 1, 2026.
Code reference
Douglas County adopted the 2024 International Residential Code (IRC) with amendments, effective July 1, 2026.
Permit Required Generally
Douglas County Code Chapter 15.12, Section 15.12.010, addresses when a permit is generally required.Section 15.12.010
Work Exempt From Permit
Douglas County, Colorado, details exemptions under Chapter 13.
Code reference
CONSTRUCTION CODES, Section 13-107.4.1.Section 13-107.4.1.
Code reference
Work Exempt From Permit (Douglas County, Colorado - Chapter 13.
Code reference
One-story detached accessory structures (such as tool and storage sheds, playhouses, and similar buildings) provided the floor area does not exceed 200 square feet.
Code reference
Fences not over 7 feet high.

Codes are amended regularly — verify current requirements with Douglas County — Building Division.

Energy Code

Highlands Ranch energy code quick facts

Code reference
Douglas County, which includes Highlands Ranch, Colorado, has adopted the 2024 International Energy Conservation Code (IECC) with local amendments, effective July 1, 2026.
Code reference
This adoption aligns with Colorado state law, which mandates that jurisdictions updating other building codes between July 1, 2023, and June 30, 2026, must adopt at least the 2021 or 2024 IECC and the Colorado Model Electric Ready and Solar Ready Code.
Code reference
Starting July 1, 2026, jurisdictions are required to adopt the Colorado Model Low Energy and Carbon Code (MLECC), which is based on the 2024 IECC and replaces the IECC and the Model Electric Ready and Solar Ready Code.
Code reference
The climate zone for unincorporated Douglas County is established as Zone 5B.
Code reference
Detailed local amendments to the 2024 IECC from Douglas County were not immediately available in the search results.
Code reference
Therefore, the following prescriptive requirements are based on the general principles of the 2024 IECC for Climate Zone 5B, with a specific amendment identified from previous Douglas County adoptions (2018 IECC amendments) that is likely to carry forward in some form, as local amendments generally
Code reference
For precise requirements, it is essential to consult the full Douglas County 2024 IECC Amendments document.
Code reference
### Key Prescriptive Requirements for Remodels/Additions (Climate Zone 5B)

Codes are amended regularly — verify current requirements with Douglas County — Building Division.

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What waterproofing work covers

Waterproofing in the Denver metro usually means below-grade work: exterior membrane and drainage after excavation, or interior drain tile and a sump. Grading and downspout discharge matter as much as the membrane. This is not roofing. A municipally licensed Denver general contractor coordinates the project and licensed specialty trades. Cost is project-specific and depends on interior versus exterior access, depth, and groundwater.

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Excavation, groundwater, and floodplain

Exterior work is an excavation. Denver DOTI reviews Sewer Use and Drainage (SUDP) for excavations, storm grading, floodplain, and groundwater. Groundwater dewatering has its own SUDP path. Check floodplain status at denvergov.org/flood before drawing. If the work includes underpinning, a basement dig-out, or foundation repair beyond IRC prescriptive limits, City and County of Denver Community Planning and Development requires structural drawings and calculations (DBCA 133.2).

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Permits and who coordinates the work

CPD building permits apply when structure or occupancy is affected. DOTI SUDP applies to the excavation and drainage. Cities and counties license general contractors. Colorado has no statewide general contractor license. Autotelic acts as a municipally licensed Denver general contractor and coordinates licensed specialty trades for waterproofing scopes.

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What buyers should prepare

Where water enters, interior versus exterior access, existing sump yes or no, and neighboring foundation proximity.

FAQ

Common questions

Does foundation waterproofing need a Denver permit?

Exterior excavation typically needs SUDP and often a building permit. Interior drain tile may still need permits if plumbing or structure changes.

Who handles waterproofing permits and licensing?

A municipally licensed Denver general contractor coordinates the project and licensed specialty trades. Colorado has no statewide general contractor license.

Interior drain or exterior membrane?

Exterior treats the wall from outside when there is room to excavate. Interior drain tile collects water that already reaches the slab. Site conditions decide.

When is structural review required?

When underpinning, basement dig-outs, or foundation repair go beyond IRC prescriptive limits. CPD asks for sealed drawings and calculations.

What information helps define scope?

Water-entry photos, floodplain status, lot-line clearance, and city or county.

Service Area

Serving Highlands Ranch and Douglas County

We serve Highlands Ranch, CO and all surrounding Denver metro communities. Our team is based in Denver and operates throughout the Front Range, from Castle Rock to Longmont and everywhere in between. Contact us for a free estimate on your Highlands Ranch project.

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