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Best Foundation Repair Companies in Hidden Valley Lake, CA (2026)

19 foundation repair companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Hidden Valley Lake: Roof Doctors Sonoma County, CR Score 58/100; 4.9★ from 208 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Sustainable Living Builders, Inc, posts 24/7 hours; ranked #2 of 19.

  3. 6

    Most-reviewed: Crandall Roofing, Inc., 117 Google reviews at 4.9★, the most of 19 ranked after Roof Doctors Sonoma County; ranked #6.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

19 Hidden Valley Lake foundation repair companies are ranked here by CR Score, from ten published factors. 2 are open 24/7, 10 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 19 rated businesses.

Most of this list also appears on the Foundation repair companies in Santa Rosa ranking. See Foundation repair companies in Santa Rosa

Top 10 foundation repair companies in Hidden Valley Lake at a glance

Top 10 foundation repair companies in Hidden Valley Lake at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roof Doctors Sonoma County584.9★ (208)Windsor, 23 mi away24/7Overall
2Sustainable Living Builders, Inc554.9★ (84)Sebastopol, 33 mi away24/7Emergencies
3Under The House.535.0★ (62)Santa Rosa, 27 mi awaySat · Sun · Evenings—
4Modern Summit Roofing Contractor525.0★ (47)Petaluma, 30 mi awaySat · Sun · Evenings—
5Xalos Foundation Support515.0★ (27)Windsor, 23 mi away——
6Crandall Roofing, Inc.514.9★ (117)Santa Rosa, 30 mi away—Most reviews
7Rich’s Mobile Home Service504.5★ (27)Santa Rosa, 27 mi awaySat · Sun · Evenings—
8Aleman Concrete505.0★ (27)Santa Rosa, 24 mi awaySat · Evenings—
9Clean CrawlSpace Inc.495.0★ (57)Santa Rosa, 30 mi away——
10Concrete Contractor Rohnert Park485.0★ (19)Cotati, 32 mi awaySat · Evenings—

The 19 best foundation repair companies in Hidden Valley Lake, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Based in Santa Rosa, 24 mi away

    50/100CR Score

    Ranked #8 because of its Google rating and review volume: 5.0★ from 27 Google reviews.

    • 5.0★ from 27 Google reviews
    Hours
    Mon–Sat 6 AM–6:30 PM · Sun closed
    Address
    5023 Algiers Ave, Santa Rosa, CA 95409
  2. Based in Petaluma, 40 mi away

    47/100CR Score

    Ranked #11 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Waterproofing service”.

    • 3.0★ from 4 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    22 Lakeville St, Petaluma, CA 94952
  3. Based in Rohnert Park, 11 mi away

    46/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Roofing contractor”.

    • 4.2★ from 5 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat–Sun closed
  4. Based in Santa Rosa, 27 mi away

    45/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “General contractor”.

    • 4.0★ from 4 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 10 AM–2 PM · Sun closed
    Address
    717 Blair Pl, Santa Rosa, CA 95401
  5. Based in Santa Rosa, 29 mi away

    44/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Roofing contractor”.

    • 4.1★ from 9 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    2989 Wiljan Ct Suite B, Santa Rosa, CA 95407

How much do foundation repair companies cost in Hidden Valley Lake?

National price ranges in USD, not adjusted for Hidden Valley Lake. Each row names its basis and the month we checked it.

How much do foundation repair companies cost in Hidden Valley Lake?
JobLowTypicalHighBasisChecked
Foundation repair$2,225$5,174$8,133Per project: typical range of customer-reported repairs. US national rangeOctober 2026

How we ranked Hidden Valley Lake foundation repair companies

We scored 19 Hidden Valley Lake foundation repair companies on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Hidden Valley Lake data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Foundation repair companies in Hidden Valley Lake: frequently asked questions

Who is the best foundation repair company in Hidden Valley Lake?

By CR Score, the highest-ranked foundation repair company in Hidden Valley Lake, CA is Roof Doctors Sonoma County with a CR Score of 58/100. It has 4.9★ from 208 Google reviews. It is open 24/7. Sustainable Living Builders, Inc (#2) and Under The House. (#3) follow. We ranked 19 foundation repair companies on ten factors, last updated October 22, 2026.

How many foundation repair companies are there in Hidden Valley Lake?

ContractorsRanked ranks 19 foundation repair companies serving Hidden Valley Lake, CA. Counts are as of October 2026.

Which foundation repair companies in Hidden Valley Lake are open 24/7?

2 ranked foundation repair companies in Hidden Valley Lake post 24/7 hours. The highest-ranked are Roof Doctors Sonoma County (#1) and Sustainable Living Builders, Inc (#2). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which foundation repair companies in Hidden Valley Lake work on weekends?

10 of 19 ranked foundation repair companies post Saturday hours and 5 post Sunday hours. The highest-ranked open Saturdays are Roof Doctors Sonoma County (#1), Sustainable Living Builders, Inc (#2) and Under The House. (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does foundation repair cost in Hidden Valley Lake?

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 Hidden Valley Lake. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Hidden Valley Lake foundation repair companies have?

The median Google rating among 19 rated foundation repair companies in Hidden Valley Lake is 4.9★, with a median of 27 reviews. Roof Doctors Sonoma County has the most, 208 reviews, and ranks #1. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do foundation repair companies outside Hidden Valley Lake count in this ranking?

Yes, if they are within 40 mi of the Hidden Valley Lake 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 Hidden Valley Lake

  1. October 2026: CR Scores recalculated for 19 foundation repair companies serving Hidden Valley Lake.
  2. October 2026: 1 duplicate listing merged.

More foundation repair companies and Hidden Valley Lake pages

Other trades in Hidden Valley Lake