Hermann Home ImprovementWindow installer in Oak Harbor, WA

Hermann Home Improvement is a window installer at 640 Industrial Ave, Oak Harbor, WA 98277. Open Monday to Friday.

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Key facts

Key facts about Hermann Home Improvement
Address	640 Industrial Ave, Oak Harbor, WA 98277Get directions
Phone	(360) 240-0850
Website	hermannhi.com
Hours	Monday to Friday: 8 AM – 5 PM

Trades

Each trade shows the evidence we matched it on.

Windowsmain tradeGoogle main category
Roofingadditional Google category
Paintingadditional Google category
Handymanadditional Google category
Kitchen Remodeladditional Google category
Bathroom Remodeladditional Google category
Flooringadditional Google category

Service area

Serves Oak Harbor and 11 towns within 40 miles: Camano, Anacortes, Stanwood, Port Townsend, Mount Vernon, Burlington, Sedro-Woolley, Tulalip, Arlington, Sequim and Marysville.

Based in Oak Harbor, WAView on map

Opening hours

Opening hours for Hermann Home Improvement
Day	Hours
Monday	8 AM – 5 PM
Tuesday	8 AM – 5 PM
Wednesday	8 AM – 5 PM
Thursday	8 AM – 5 PM
Friday	8 AM – 5 PM
Saturday	Closed
Sunday	Closed

Open evenings — no
Open Saturdays — no
Open Sundays — no

Typical window installation prices

Typical window installation prices
Job	Low	Typical	High
Window replacementPer project (several windows): typical range of customer-reported projects. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report)	$3,710	$7,930	$12,770

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 Hermann Home Improvement

What are Hermann Home Improvement’s hours?

Hermann Home Improvement is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Hermann Home Improvement serve?

Serves Oak Harbor and 11 towns within 40 miles: Camano, Anacortes, Stanwood, Port Townsend, Mount Vernon, Burlington, Sedro-Woolley, Tulalip, Arlington, Sequim and Marysville. The list is based on the business's location and the usual service radius for window installation. Confirm your address is covered when you call.

How do I contact Hermann Home Improvement?

Call Hermann Home Improvement on (360) 240-0850. The business is at 640 Industrial Ave, Oak Harbor, WA 98277. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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