Skip to content
ContractorsRanked

Petra Custom BuildersGeneral contractor in Boulder, CO

Petra Custom Builders is a general contractor at 5303 Spine Rd #203, Boulder, CO 80301, ranked #14 of 456 general contractors in Boulder and rated 5.0 from 34 Google reviews. Open Monday to Friday.

Boulder, COUpdated 0 paid placements in any rankingHow we rank

Call (720) 291-7918Website ↗

Key facts

Key facts about Petra Custom Builders
Address5303 Spine Rd #203, Boulder, CO 80301Get directions
Phone(720) 291-7918
Websitepetracustombuilders.com
HoursMonday to Friday: 8 AM – 4 PM
Google rating5.0 from 34 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Boulder and 11 towns within 25 miles: Gunbarrel, Louisville, Lafayette, Erie, Superior, Longmont, Broomfield, Frederick, Firestone, Northglenn and Shaw Heights.

Based in Boulder, COView on map

Opening hours

Opening hours for Petra Custom Builders
DayHours
Monday8 AM – 4 PM
Tuesday8 AM – 4 PM
Wednesday8 AM – 4 PM
Thursday8 AM – 4 PM
Friday8 AM – 4 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • 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

Petra Custom Builders compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Petra Custom Builders (this business)—575.0 (34)—NoNo
Boulder Fire Ready LLC#12575.0 (7)—YesYes9.1 mi
Bull Stripers#13575.0 (31)—YesYes16.7 mi
BSA Inc Design & Construction#15565.0 (13)—YesYes7.5 mi

See all 456 ranked general contractors in Boulder

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 34 Google reviews

Hired Petra Custom Builders? Write a review

Questions about Petra Custom Builders

How is Petra Custom Builders ranked in Boulder?

Petra Custom Builders is ranked #14 of 456 general contractors in Boulder by CR Score, with 57 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 Petra Custom Builders’ hours?

Petra Custom Builders is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 4 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Petra Custom Builders serve?

Serves Boulder and 11 towns within 25 miles: Gunbarrel, Louisville, Lafayette, Erie, Superior, Longmont, Broomfield, Frederick, Firestone, Northglenn and Shaw Heights. 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 Petra Custom Builders?

Petra Custom Builders has a rating of 5.0 from 34 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 Petra Custom Builders?

Call Petra Custom Builders on (720) 291-7918. The business is at 5303 Spine Rd #203, Boulder, CO 80301. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

Own Petra Custom Builders? Claim this profile.

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

Claim this profile