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A1 Building ConceptsGeneral contractor in Castle Rock, CO

A1 Building Concepts is a general contractor in Castle Rock, CO, ranked #37 of 437 general contractors in Castle Rock and rated 5.0 from 8 Google reviews. Open Monday to Saturday.

Castle Rock, COUpdated 0 paid placements in any rankingHow we rank

Call (720) 254-5129Website ↗

Key facts

Key facts about A1 Building Concepts
Phone(720) 254-5129
Websitea1buildingconcepts.com
HoursMonday to Saturday: 8 AM – 6 PM
Google rating5.0 from 8 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Castle Rock and 12 towns within 25 miles: Cherry Creek, Castlewood, Centennial, Greenwood Village, Southglenn, Cherry Hills Village, Lone Tree, Dove Valley, Englewood, Highlands Ranch, Littleton and Glendale.

Based in Castle Rock, COView on map

Opening hours

Opening hours for A1 Building Concepts
DayHours
Monday8 AM – 6 PM
Tuesday8 AM – 6 PM
Wednesday8 AM – 6 PM
Thursday8 AM – 6 PM
Friday8 AM – 6 PM
Saturday8 AM – 6 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

Typical general contracting prices

Typical general contracting prices
JobLowTypicalHigh
Kitchen remodelPer project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.00 Mountain factor (2025 Cost vs. Value Report)$14,610$27,020$41,660
Bathroom remodelPer bathroom: typical range of customer-reported remodels. US national range × 0.95 Mountain factor (2025 Cost vs. Value Report)$6,340$11,590$16,840

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby general contractors

A1 Building Concepts compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
A1 Building Concepts (this business)—565.0 (8)—YesNo
KCD Remodeling#35565.0 (10)—YesNo20.8 mi
Covco Construction#36565.0 (7)———19.0 mi
Losh & Found Property Maintenance LLC#38565.0 (27)—NoNo14.3 mi

See all 437 ranked general contractors in Castle Rock

Reviews

ContractorsRanked reviews

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Google

5.0from 8 Google reviews

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Questions about A1 Building Concepts

How is A1 Building Concepts ranked in Castle Rock?

A1 Building Concepts is ranked #37 of 437 general contractors in Castle Rock by CR Score, with 56 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are A1 Building Concepts’ hours?

A1 Building Concepts is open Monday to Saturday. Its listed hours are Monday to Saturday, 8 AM – 6 PM. On Saturdays it is open 8 AM to 6 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does A1 Building Concepts serve?

Serves Castle Rock and 12 towns within 25 miles: Cherry Creek, Castlewood, Centennial, Greenwood Village, Southglenn, Cherry Hills Village, Lone Tree, Dove Valley, Englewood, Highlands Ranch, Littleton and Glendale. The list is based on the business's location and the usual service radius for general contracting. Confirm your address is covered when you call.

What do Google reviews say about A1 Building Concepts?

A1 Building Concepts has a rating of 5.0 from 8 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact A1 Building Concepts?

Call A1 Building Concepts on (720) 254-5129. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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