85/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 129 Google reviews, open 24/7.
- 4.9★ from 129 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 12000 NE 95th St #540, Vancouver, WA 98682
Best Foundation Repair Companies in Mill Plain, WA (2026)
63 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Mill Plain: AdvantaClean of Vancouver, CR Score 85/100; 4.9★ from 129 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): SFW Construction, posts 24/7 hours; ranked #2 of 63.
- 19
Most-reviewed: TerraFirma, 870 Google reviews at 4.8★, the most of 63 ranked; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
63 Mill Plain foundation repair companies are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 27 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.8★ across 63 rated businesses.
Most of this list also appears on the Foundation repair companies in Camas ranking. See Foundation repair companies in Camas
Top 10 foundation repair companies in Mill Plain at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | AdvantaClean of Vancouver | 85 | 4.9★ (129) | Vancouver, 4 mi away | 24/7 | Overall |
| 2 | SFW Construction | 84 | 4.9★ (146) | Portland, 13 mi away | 24/7 | Emergencies |
| 3 | Crawlspace Repair | 84 | 4.3★ (12) | Portland, 14 mi away | 24/7 | — |
| 4 | Better Basements and Waterproofing | 83 | 4.9★ (190) | Oregon City, 23 mi away | Sat · Evenings | — |
| 5 | Pure Maintenance Portland | 80 | 5.0★ (92) | Portland, 12 mi away | Sat · Sun · Evenings | — |
| 6 | Pacific Waterproofing | 79 | 4.7★ (48) | Portland, 18 mi away | Sat | — |
| 7 | MJ General Contractor, LLC | 78 | 5.0★ (31) | Happy Valley, 28 mi away | 24/7 | — |
| 8 | Pat's Construction LLC | 78 | 4.7★ (14) | Bethany, 16 mi away | Sat | — |
| 9 | Tonys Roofing | 77 | 4.9★ (127) | Portland, 11 mi away | Sat | — |
| 10 | Brick By Brick Waterproofing Inc | 77 | 3.7★ (6) | Gresham, 17 mi away | Sat · Sun · Evenings | — |
The 63 best foundation repair companies in Mill Plain, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Portland, 13 mi away
84/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 146 Google reviews, open 24/7.
- 4.9★ from 146 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2552 NW Vaughn St, Portland, OR 97210
Based in Portland, 14 mi away
84/100CR ScoreRanked #3 because of its Google rating and availability: 4.3★ from 12 Google reviews, open 24/7.
- 4.3★ from 12 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6517 SE 21st Ave, Portland, OR 97202
Based in Oregon City, 23 mi away
83/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 190 Google reviews, listed on Google as “Waterproofing service”.
- 4.9★ from 190 Google reviews
- Hours
- Mon–Fri 7 AM–8 PM · Sat 9 AM–2 PM · Sun closed
- Address
- 19100 OR-99E, Oregon City, OR 97045
Based in Portland, 12 mi away
80/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 92 Google reviews, open 7 days a week.
- 5.0★ from 92 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 9 AM–5 PM · Sun 10 AM–4 PM
- Address
- 555 SE Martin Luther King Jr Blvd Suite 105, Portland, OR 97214
Based in Portland, 18 mi away
79/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 48 Google reviews, listed on Google as “Waterproofing service”.
- 4.7★ from 48 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
Based in Happy Valley, 28 mi away
78/100CR ScoreRanked #7 because of its Google rating and availability: 5.0★ from 31 Google reviews, open 24/7.
- 5.0★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bethany, 16 mi away
78/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Waterproofing service”.
- 4.7★ from 14 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
Based in Portland, 11 mi away
77/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 127 Google reviews, 127 Google reviews.
- 4.9★ from 127 Google reviews
- Hours
- Mon–Sat 7 AM–5 PM · Sun closed
- Address
- 4450 SE 125th Ave, Portland, OR 97236
Based in Gresham, 17 mi away
77/100CR ScoreRanked #10 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Waterproofing service”.
- 3.7★ from 6 Google reviews
- Hours
- Mon–Sun 6 AM–8 PM
- Address
- 10460 SE 362nd Ave, Boring, OR 97009
Based in Happy Valley, 12 mi away
77/100CR ScoreRanked #11 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 7 days a week.
- 5.0★ from 8 Google reviews
- Hours
- Mon–Wed 7 AM–5 PM · Thu 7 AM–6 PM · Fri 7 AM–5 PM · Sat 8 AM–4 PM · Sun 9 AM–4 PM
#12 Crawl Pros
Based in Portland, 14 mi away
77/100CR ScoreRanked #12 because of its Google rating and availability: 4.5★ from 89 Google reviews, open 7 days a week.
- 4.5★ from 89 Google reviews
- Hours
- Mon–Sun 8 AM–10 PM
- Address
- 7404 SE Johnson Creek Blvd Suite A, Portland, OR 97206
Based in Bethany, 17 mi away
77/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Waterproofing service”.
- 5.0★ from 7 Google reviews
- Hours
- Mon–Sat 6 AM–9 PM · Sun closed
Based in Portland, 14 mi away
76/100CR ScoreRanked #14 because of its Google rating and review volume: 4.9★ from 193 Google reviews, 193 Google reviews.
- 4.9★ from 193 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 6423 NW St Helens Rd, Portland, OR 97210
#15 Ram Jack West
Based in Happy Valley, 14 mi away
76/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 58 Google reviews, listed on Google as “Foundation”.
- 4.7★ from 58 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 9800 SE Fuller Rd, Happy Valley, OR 97086
Based in Forest Grove, 30 mi away
75/100CR ScoreRanked #16 because of its Google rating and review volume: 5.0★ from 170 Google reviews, 170 Google reviews.
- 5.0★ from 170 Google reviews
- Hours
- Mon–Sat 7 AM–5 PM · Sun closed
Based in Lents, 12 mi away
75/100CR ScoreRanked #17 because of its Google rating and availability: 4.7★ from 14 Google reviews, open 7 days a week.
- 4.7★ from 14 Google reviews
- Hours
- Mon–Sun 10 AM–8 PM
Based in Portland, 9 mi away
75/100CR ScoreRanked #18 because of its Google rating and review volume: 4.9★ from 38 Google reviews, 38 Google reviews.
- 4.9★ from 38 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat 8 AM–4 PM · Sun closed
- Address
- 4217 NE Mason St, Portland, OR 97218
#19 TerraFirma
Based in Portland, 20 mi away
75/100CR ScoreRanked #19 because of its Google rating and review volume: 4.8★ from 870 Google reviews, the most Google reviews on this list (870).
- 4.8★ from 870 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 13110 SW Wall St, Portland, OR 97223
Based in North Portland, 6 mi away
75/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 7 days a week.
- 5.0★ from 5 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
Based in Portland, 9 mi away
74/100CR ScoreRanked #21 because of its Google rating and review volume: 4.8★ from 33 Google reviews, 33 Google reviews.
- 4.8★ from 33 Google reviews
- Hours
- Mon–Fri 7 AM–10 PM · Sat 8 AM–8 PM · Sun closed
- Address
- 6708 NE Glisan St #107, Portland, OR 97213
Based in Hillsboro, 20 mi away
74/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 12 Google reviews, open 7 days a week.
- 5.0★ from 12 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 8 AM–5 PM · Sun 7 AM–6 PM
- Address
- 9230 NE Rockspring St, Hillsboro, OR 97006
Based in Portland, 13 mi away
74/100CR ScoreRanked #23 because of its Google rating and review volume: 4.7★ from 115 Google reviews, 115 Google reviews.
- 4.7★ from 115 Google reviews
- Hours
- Mon–Fri 7 AM–4 PM · Sat–Sun closed
- Address
- 1020 SW Taylor St Suite 540, Portland, OR 97205
Based in Tigard, 20 mi away
73/100CR ScoreRanked #24 because of its Google rating and review volume: 4.9★ from 304 Google reviews, 304 Google reviews.
- 4.9★ from 304 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 12700 SW Hall Blvd C, Tigard, OR 97223
Based in Wilsonville, 27 mi away
73/100CR ScoreRanked #25 because of its Google rating and review volume: 4.9★ from 166 Google reviews, 166 Google reviews.
- 4.9★ from 166 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 28655 SW Boones Ferry Rd, Wilsonville, OR 97070
How much do foundation repair companies cost in Mill Plain?
National price ranges in USD, not adjusted for Mill Plain. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Foundation repair | $2,225 | $5,174 | $8,133 | Per project: typical range of customer-reported repairs. US national range | October 2026 |
How we ranked Mill Plain foundation repair companies
We scored 63 Mill Plain foundation repair companies on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Mill Plain data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Foundation repair companies in Mill Plain: frequently asked questions
Who is the best foundation repair company in Mill Plain?
By CR Score, the highest-ranked foundation repair company in Mill Plain, WA is AdvantaClean of Vancouver with a CR Score of 85/100. It has 4.9★ from 129 Google reviews. It is open 24/7. SFW Construction (#2) and Crawlspace Repair (#3) follow. We ranked 63 foundation repair companies on 8 factors, last updated October 22, 2026.
How many foundation repair companies are there in Mill Plain?
ContractorsRanked ranks 63 foundation repair companies serving Mill Plain, WA. Counts are as of October 2026.
Which foundation repair companies in Mill Plain are open 24/7?
4 ranked foundation repair companies in Mill Plain post 24/7 hours. The highest-ranked are AdvantaClean of Vancouver (#1), SFW Construction (#2) and Crawlspace Repair (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which foundation repair companies in Mill Plain work on weekends?
27 of 63 ranked foundation repair companies post Saturday hours and 12 post Sunday hours. The highest-ranked open Saturdays are AdvantaClean of Vancouver (#1), SFW Construction (#2) and Crawlspace Repair (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does foundation repair cost in Mill Plain?
Foundation repair typically costs $2,225 to $8,133, with $5,174 typical (Per project: typical range of customer-reported repairs. US national range). This is a national range, not adjusted for Mill Plain. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Mill Plain foundation repair companies have?
The median Google rating among 63 rated foundation repair companies in Mill Plain is 4.8★, with a median of 21 reviews. TerraFirma has the most, 870 reviews, and ranks #19. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank foundation repair companies?
Each foundation repair company gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do foundation repair companies outside Mill Plain count in this ranking?
Yes, if they are within 40 mi of the Mill Plain city center, our service radius for foundation repair companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Mill Plain
- October 2026: CR Scores recalculated for 63 foundation repair companies serving Mill Plain.
- October 2026: 1 duplicate listing merged.
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