Buying

What a Bellingham Home Inspection Really Finds (and What's Worth Negotiating)

Sewer scopes, moss, knob-and-tube, oil tanks — the local issues that show up on inspection reports here, ranked by how much they should worry you.

By Irena Kolbert, REALTOR® ·Jun 9, 2026·6 min read
Inspector on a ladder checking a mossy roof

Always get a sewer scope

Older Bellingham neighborhoods have clay and concrete side sewers, and root intrusion is common. A $250 scope can save a $12,000 repair — and Irena's clients have had sellers replace lines before closing more than once.

Roofs and moss

Moss is a Pacific Northwest constant. The question is whether it's cosmetic or has lifted shingles. An inspector will say; Irena will tell you what a roofer would charge and whether to negotiate.

Electrical and heating

Knob-and-tube wiring and 60-amp panels appear in pre-1950 homes. Neither is a dealbreaker, but both affect insurance and cost $3–8k to update. Underground oil tanks near older homes need a decommission letter.

What to negotiate

Safety items, hidden defects, and big-ticket systems — yes. Cosmetic items and normal wear on a 1925 home — no. Overreaching on repairs is how buyers lose a house they wanted.

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Common questions

Three to four hours for a typical home, plus a separate sewer scope. Irena attends every one.

Rarely. A pre-inspection before offering is a safer way to compete.

Still have a question about this?Irena answers personally — usually within the hour.
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Written by Irena Kolbert, Realtor® — Bellingham & Whatcom County. Have a question about your home or your move? Ask Irena directly → ★★★★★ 5.0 · 55 client reviews