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CASTLE PINES SERVICES

Waterproofing in Castle Pines

Licensed waterproofing services for Castle Pines 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 Castle Pines, Colorado

Autotelic provides professional waterproofing services throughout Castle Pines 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 Castle Pines (south Douglas County) or nearby communities, our team delivers quality workmanship backed by Colorado licensing and full insurance coverage.

Permit Thresholds

Castle Pines permit thresholds

Code reference
The City of Castle Pines Building Department requires building permits for various residential remodel projects to ensure compliance with the 2021 International Building Code/International Residential Code and the 2023 National Electrical Code.
Code reference
1-Stop Permits are for projects that do not require drawings for a plan review.
Code reference
Instead, the requirement for a permit is based on the *type* of work being performed, as detailed in the lists for 1-Stop Permits and Plan Review Permits.
Code reference
The City of Castle Pines operates under the 2021 International Building Code/International Residential Code and the 2023 National Electrical Code.
Code reference
### Taxes and Fees (Based on 2026 Fee Schedule where available, or most recent provided)
Code reference
For example, according to the 2025 and 2026 Fee Schedules:
Code reference
For projects valued from $1.00 to $500.00, the fee is $42.00 (2025/2026).
Code reference
For projects valued from $501.00 to $2,000.00, the fee is $42.00 for the first $500.00, plus $5.45 for each additional $100.00 or fraction thereof (2025/2026).

Codes are amended regularly — verify current requirements with **The City of Castle Pines Building Department (part of the City’s Community Development department) issues residential building permits.

Energy Code

Castle Pines energy code quick facts

Code reference
The City of Castle Pines, Colorado, operates under the 2021 International Energy Conservation Code (IECC) as its currently adopted energy code.
Code reference
While an earlier ordinance (Ordinance No. 16-08) adopted the 2015 IECC, state law (House Bill 22-1362) mandates that jurisdictions updating other building codes between July 1, 2023, and June 30, 2026, must adopt and enforce the 2021 IECC or an equivalent or more stringent code.Ordinance No. 16-08
Code reference
The City of Castle Pines currently enforces the 2021 International Building Code (IBC) and International Residential Code (IRC), which would trigger the 2021 IECC adoption requirement.
Code reference
Castle Pines is located in Climate Zone 5B.
Code reference
Here are key prescriptive requirements from the 2021 IECC relevant to remodels and additions in Climate Zone 5B:
Code reference
### Key Prescriptive Requirements for Remodels/Additions (2021 IECC, Climate Zone 5B)
Code reference
The following requirements apply to new construction and additions, and often to portions of existing buildings that are altered, as per the 2021 IECC and generally apply to residential applications.
Requirement
R-60

Codes are amended regularly — verify current requirements with **The City of Castle Pines Building Department (part of the City’s Community Development department) issues residential building permits.

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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 Castle Pines and Douglas County

We serve Castle Pines, 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 Castle Pines project.

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