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Cosmo BuildersHome builder in McLean, VA

Cosmo Builders is a home builder at 1640 Boro Pl 4th Floor, McLean, VA 22102, ranked #1 of 787 home builders in McLean and rated 4.9 from 72 Google reviews. Open 7 days a week.

McLean, VAUpdated 0 paid placements in any rankingHow we rank

Call (703) 835-1831Website ↗

Key facts

Key facts about Cosmo Builders
Address1640 Boro Pl 4th Floor, McLean, VA 22102Get directions
Phone(703) 835-1831
Websitecosmobuilders.com
HoursOpen 7 days a week
Google rating4.9 from 72 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Home Buildermain tradeGoogle main category
  • Roofingadditional Google category
  • Kitchen Remodeladditional Google category
  • Bathroom Remodeladditional Google category
  • Decks & Patiosadditional Google category

Service area

Serves McLean and 11 towns within 40 miles: Tysons Corner, Pimmit Hills, Dunn Loring, Vienna, Idylwood, Wolf Trap, Merrifield, Falls Church, Oakton, West Falls Church and Mantua.

Based in McLean, VAView on map

Opening hours

Opening hours for Cosmo Builders
DayHours
Monday9 AM – 6:30 PMevening
Tuesday9:30 AM – 6 PM
Wednesday9:30 AM – 7 PMevening
Thursday8:30 AM – 7:30 PMevening
Friday10 AM – 6 PM
Saturday11:30 AM – 4 PM
Sunday11:30 AM – 3 PM
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

Compare nearby home builders

Cosmo Builders compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Cosmo Builders (this business)—624.9 (72)—YesYes
WBuilders Inc.#2615.0 (41)—YesYes6.4 mi
UrbanX Home#3605.0 (22)—YesYes6.6 mi

See all 787 ranked home builders in McLean

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 72 Google reviews

Hired Cosmo Builders? Write a review

Questions about Cosmo Builders

How is Cosmo Builders ranked in McLean?

Cosmo Builders is ranked #1 of 787 home builders in McLean by CR Score, with 62 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 Cosmo Builders’ hours?

Cosmo Builders is open 7 days a week. Its listed hours are Open 7 days a week. On Saturdays it is open 11:30 AM to 4 PM, and on Sundays 11:30 AM to 3 PM. Hours come from the business listing; holiday hours may differ.

What areas does Cosmo Builders serve?

Serves McLean and 11 towns within 40 miles: Tysons Corner, Pimmit Hills, Dunn Loring, Vienna, Idylwood, Wolf Trap, Merrifield, Falls Church, Oakton, West Falls Church and Mantua. The list is based on the business's location and the usual service radius for home building. Confirm your address is covered when you call.

What do Google reviews say about Cosmo Builders?

Cosmo Builders has a rating of 4.9 from 72 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 Cosmo Builders?

Call Cosmo Builders on (703) 835-1831. The business is at 1640 Boro Pl 4th Floor, McLean, VA 22102. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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