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PortlandTopRated / Foundation & Sinkhole Repair

Best foundation and sinkhole repair companies in Portland, OR

Verified Portland foundation and sinkhole repair companies for foundation repair, sinkhole remediation, and structural inspections - serving Pearl District, Beaverton, Lake Oswego, Tigard, Gresham, Hillsboro and beyond.

Rankings updated September 2026 from Google ratings and review volume - not paid placement

How to pick a foundation and sinkhole repair company in Portland

Nothing scares a Florida homeowner like the word sinkhole. Legitimate foundation companies start with an engineering assessment - not a sales pitch - and warranty the repair against further settlement.

Rain, moss, and tall firs give Portland roofs and gutters a workout, and its craftsman homes deserve pros who do it right. When you compare foundation and sinkhole repair companies in Portland, ask every one of them the same three questions: are you licensed and insured for this exact work, who is actually showing up (your crew or a sub), and what does the warranty cover in writing.

Searching for foundation and sinkhole repair companies near me in Portland? Everyone ranked below serves Portland and the surrounding neighborhoods, including Pearl District, Beaverton, Lake Oswego, Tigard, Gresham, Hillsboro. Check the address and service area on a listing before you call, because the closest one is not always the one a search engine puts first.

The full Portland ranking

1
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2
Stillwater Leveling Independent · Locally Owned
★★★★★ 5 · 64 Google reviews · 13414 SW 64th Ave
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3
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4
Foundations First Northwest Independent · Locally Owned
★★★★½ 4.9 · 177 Google reviews · 28655 SW Boones Ferry Rd
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5
NW Seismic Independent · Locally Owned
★★★★½ 4.9 · 87 Google reviews · 1230 NE 63rd Ave
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6
M Leon Construction Independent · Locally Owned
★★★★½ 4.9 · 65 Google reviews · 10940 SW Barnes Rd #327
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7
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8
TerraFirma
★★★★½ 4.8 · 903 Google reviews · 13110 SW Wall St
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9
Western Construction Systems LLC Independent · Locally Owned
★★★★½ 4.8 · 118 Google reviews · 3540 Brooks Ave NE Bldg 2
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10
Ram Jack West
★★★★½ 4.8 · 72 Google reviews · 9800 SE Fuller Rd
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11
Masonry Waterproofing, and Drainage Masters Independent · Locally Owned
★★★★½ 4.8 · 68 Google reviews · 1905 SE Division St
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12
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13
John's Waterproofing Independent · Locally Owned
★★★★½ 4.7 · 489 Google reviews · 219 Airport Rd NE
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14
Space Down Under 3.0 LLC Independent · Locally Owned
★★★★ 4 · 36 Google reviews · 1901 SE 11th Ave
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Foundation & Sinkhole Repair in Portland: common questions

Who are the best foundation and sinkhole repair companies in Portland?

Based on Google ratings and review volume as of September 2026, the top rated foundation and sinkhole repair companies in Portland are Better Basements and Waterproofing, Stillwater Leveling, Portland Construction & Restoration Solutions. See the live ranked list, ratings, and contact details on this page.

How do I find foundation and sinkhole repair companies near me in Portland?

Every company ranked on this page serves Portland and the surrounding area, including Pearl District, Beaverton, Lake Oswego, Tigard, Gresham, Hillsboro. Open any listing for its address, phone number and service area, then call the two or three closest to you. Distance is worth checking yourself: the nearest foundation and sinkhole repair company is not automatically the best one, so this page ranks on rating and review volume first and leaves proximity to you.

How do I choose a foundation and sinkhole repair company in Portland?

Nothing scares a Florida homeowner like the word sinkhole. Legitimate foundation companies start with an engineering assessment - not a sales pitch - and warranty the repair against further settlement.

Are you a top-rated Portland pro?

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Prefer to talk? Call or text the Top Rated directory on (813) 454-0813. This is our number, not the number of any business listed here.