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Mt. Si Contracting LLCDeck builder in City of Sammamish, WA

Mt. Si Contracting LLC is a deck builder in City of Sammamish, WA. Open Monday.

City of Sammamish, WA0 paid placements in any rankingHow we rank

Call (425) 890-6469Website ↗

Key facts

Key facts about Mt. Si Contracting LLC
Phone(425) 890-6469
Websitemtsicontracting.com
HoursMonday: 6:30 AM – 7 PM

Trades

Each trade shows the evidence we matched it on.

  • Decks & Patiosmain tradeGoogle main category

Service area

Serves City of Sammamish and 11 towns within 25 miles: East Renton Highlands, Newcastle, Issaquah, Fairwood, West Lake Sammamish, Renton, Bryn Mawr-Skyway, Mercer Island, Klahanie, Tukwila and East Hill-Meridian.

Based in City of Sammamish, WAView on map

Opening hours

Opening hours for Mt. Si Contracting LLC
DayHours
Monday6:30 AM – 7 PMevening
TuesdayClosed
WednesdayClosed
ThursdayClosed
FridayClosed
SaturdayClosed
SundayClosed
  • Open evenings (after 6 PM)
  • Open Saturdays — no
  • Open Sundays — no

Typical deck and patio building prices

Typical deck and patio building prices
JobLowTypicalHigh
Deck buildingPer deck: typical range of customer-reported projects. US national range × 1.01 Pacific factor (2025 Cost vs. Value Report)$4,370$8,390$12,750

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

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Questions about Mt. Si Contracting LLC

What are Mt. Si Contracting LLC’s hours?

Mt. Si Contracting LLC is open Monday. Its listed hours are Monday, 6:30 AM – 7 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Mt. Si Contracting LLC serve?

Serves City of Sammamish and 11 towns within 25 miles: East Renton Highlands, Newcastle, Issaquah, Fairwood, West Lake Sammamish, Renton, Bryn Mawr-Skyway, Mercer Island, Klahanie, Tukwila and East Hill-Meridian. The list is based on the business's location and the usual service radius for deck and patio building. Confirm your address is covered when you call.

How do I contact Mt. Si Contracting LLC?

Call Mt. Si Contracting LLC on (425) 890-6469. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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