HLE Landscaping And Concrete
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Retaining Wall Contractors Serving Castle Pines, CO

HLE Landscaping & Concrete plans and builds retaining walls for Castle Pines homeowners, whether the lot sits west of I-25 or out in The Canyons, and turns awkward slopes into level lawns, patios, and planting beds.

A wall here can answer to more than one rulebook. Retaining walls over 4 feet need a building permit under City zoning and the adopted building code, most neighborhoods are zoned PD with development guides that can add rules, and the City’s HOA map lists more than 20 associations. We find out who has a say in your wall before we design it.

  • 2025 Best of Mile High Award by Inbound Systems
  • 2024 Best Landscaping in Aurora by Quality Business Awards
  • 2024 Best of Mile High Award by Inbound Systems
  • 2023 Best of Mile High Award by Inbound Systems
  • 2023 Neighborhood Favorite by Nextdoor

In Castle Pines we offer retaining wall design and construction, multi-tier retaining walls for longer grades, stone and wood retaining walls as well as concrete block, and retaining wall repair.

What You Gain From a Retaining Wall in Castle Pines

Mostly, a retaining wall gives you ground you can use. It holds the soil of a slope in place so the area beside it can be leveled into a lawn, a patio, a fire pit area, or planting beds, and it pulls its weight in a few other ways:

  • A bare or thinly planted bank stops losing soil every time a storm moves through.
  • Runoff meets a defined edge instead of spreading across the yard and settling where the ground flattens out.
  • The yard gains structure, with separate levels that read clearly from the patio and from the street.

HLE Landscaping & Concrete takes a wall from the first measurements to the finished structure, and owner Brandon Gallegos stands behind every project. Our retaining wall installation page explains the service in general terms.

(720) 634-6540
Curved tan block retaining wall with built-in steps up to a lawn

Who Has a Say in a Castle Pines Retaining Wall

Up to three parties can: the City, once a wall is tall enough to need a permit; the development guide, if your neighborhood is zoned PD as most here are; and your HOA or metro district, if it reviews exterior work. Sorting that out first keeps a design from being drawn twice.

Colorado’s 2023 water-wise landscaping law, SB23-178, limits what associations can prohibit, but it keeps their authority over changes to grading, drainage, and structural landscape elements. If your covenants require approval for that kind of work, get it before the wall goes in.

Review isn’t always the HOA’s job, either. East of I-25 in The Canyons, architectural review belongs to Canyons Metropolitan District No. 7.

Horizontal cedar privacy fence above a stone-veneer retaining wall with lighting

Permits, PD Guides, and Grading Rules in Castle Pines

The documents below set the ground rules for a retaining wall in Castle Pines, and we read them before drawing one. Each source is linked.

  • A permit above 4 feet

    City zoning sections for the ER and B districts, posted in 2019, call for a building permit on retaining walls taller than 4 feet, and the 2021 IRC the City adopted exempts walls up to 4 feet unless they support a surcharge. Because most neighborhoods are zoned PD, a development guide may add its own requirements.

    Source: City of Castle Pines — Zoning, ER Estate Residential District (2019)
  • Grading has its own permit track

    The City treats moving earth on private land as regulated work. A site graded across more than one acre requires a GESC grading permit, and below that size a low-impact grading permit can still apply, which is worth checking when terraces call for shifting a lot of soil.

    Source: City of Castle Pines — Roadway Design and Construction Standards, Chapter 11 (Permits)
  • Code edition and frost line

    The City adopted the 2021 International Residential Code, with local amendments, through Ordinance 23-02 in February 2023. The climate table in that code sets frost line depth at 36 inches.

    Source: City of Castle Pines Municipal Code, Chapter 18 — Building Regulations
  • The Village sits outside the City

    Outside City limits, The Village at Castle Pines belongs to unincorporated Douglas County. Its Homes Association Design Review Committee must approve landscaping changes, retaining walls included; sub-associations review first, and anything affecting golf-course setbacks or views needs the golf course’s approval as well.

    Source: The Village at Castle Pines — Design Review

Castle Pines Subdivisions We Cover for Retaining Walls

Our wall service includes these west-side subdivisions named in City planning documents.

  • Forest Park
  • Tapestry Hills
  • Esperanza

Concrete Block, Natural Stone, and Treated Wood Compared

Each of the three makes a solid wall; what separates them is appearance, price, and how they sit beside your home. During a free consultation we compare them against your budget and your exterior, then build in the one you choose.

  • Concrete block stacks in uniform courses and bends into smooth curves, a clean match for newer homes and planned neighborhoods.
  • Natural stone varies from piece to piece, so no two walls look alike, and it complements stone accents on a house.
  • Treated wood lends a relaxed, rustic feel around gardens and play spaces.

If your HOA publishes design guidelines, read what they say about wall materials and colors before you choose. Our guide to retaining wall materials covers each option in more depth.

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Tan block retaining wall with pink crushed-granite ground cover

Multi-Tier Walls for Longer Slopes

A multi-tier design splits a long grade into two or more shorter walls with level ground between them, so one steep bank becomes a set of usable shelves. Each tier can take on its own role: artificial turf or lawn on one, a Castle Pines patio on another, and shrubs or perennials from our planting services on a third.

More tiers mean more soil moved, so the City’s grading permit rules are worth checking on larger terracing jobs. We factor that into the layout from the start.

Artificial turf lawn raised behind a tan block retaining wall

When an Existing Wall Needs Repair

An existing wall needs attention when it starts to tip, crack, or drop blocks or stones, and the right fix depends on the cause. We inspect the wall, track down what went wrong, and recommend either repairing the damaged part or rebuilding, with the reasons laid out plainly.

Treat a rebuild in a design-review neighborhood like a new wall: check your association’s requirements and remember the City’s permit rule for walls over 4 feet. For cold-season upkeep, see our article on caring for retaining walls through winter.

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How a Castle Pines Wall Project Moves Forward

  • Free consultation

    We look at the slope with you and ask how the new level ground will be used.

  • Review check

    Permit height, any PD development guide, and HOA, metro district, or Village review are sorted out up front.

  • Design and price

    A wall layout and material recommendation fitted to your budget.

  • Utility marks

    Buried lines get marked through Colorado 811; the law asks for at least two business days of notice, and the day you call doesn’t count.

  • Construction

    The wall is built as designed, one tier at a time on terraced jobs.

A Wall Plan You Can Share With Your HOA

A retaining wall changes how your lot holds soil and sheds water for years, so we take the planning seriously. You’ll see a layout and a price before work starts, and that layout is something you can hand to your association if it reviews exterior projects. For the rest of our local services, go to HLE’s Castle Pines service overview.

(720) 634-6540

Retaining Walls in Castle Pines: Common Questions

At what height does the City of Castle Pines require a permit for a wall?

Above 4 feet. Zoning sections for the City’s ER and B districts require a building permit for retaining walls taller than that, and the adopted 2021 IRC exempts walls up to 4 feet unless they support a surcharge. If your neighborhood is zoned PD, as most are, check its development guide for added rules.

Does The Village at Castle Pines follow the City's wall rules?

No. The Village lies beyond City limits in unincorporated Douglas County, so a building permit there would come from Douglas County’s Building Division rather than the City. Landscaping changes that include retaining walls also need approval from the Homes Association’s Design Review Committee, after any sub-association review.

Can a PD development guide add rules for a Castle Pines wall?

Yes, it can. Most Castle Pines neighborhoods are zoned PD, and their development guides may set requirements beyond the City’s 4-foot permit threshold, so ask the City which guide applies to your lot before settling on a wall height.

How do you decide whether my yard needs a retaining wall?

We look at how steep the slope is, how much level ground you want, and what that ground is for. Some grades don’t need a wall at all, and when one does make sense, we size it to do the job without building more wall than the yard needs.

Can terraced walls give a sloped backyard more than one level?

Yes. Multi-tier walls break a long slope into two or more level shelves, and each one can serve a different purpose, such as lawn, a patio, or planting beds.

Want flat, usable ground on a Castle Pines slope? Use our contact page to ask for a free consultation, or phone (720) 634-6540.

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