25 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Grinnell: RabWorks, LLC, CR Score 57/100; 5.0★ from 30 Google reviews.
Best for emergencies (open 24/7): Schumacher Construction, LLC, posts 24/7 hours; ranked #5 of 25.
Most-reviewed: Schumacher Construction, LLC, 14 Google reviews at 4.7★, the most of 25 ranked after RabWorks, LLC; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
25 Grinnell general contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 8 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.7★ across 25 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | RabWorks, LLC | 57 | 5.0★ (30) | Newton, 18 mi away | — | Overall |
| 2 | Three Boys Contracting | 57 | 4.8★ (6) | Coralville, 7 mi away | Sat · Sun | — |
| 3 | JCL General Construction LLC | 56 | 5.0★ (12) | Newton, 16 mi away | Sat | — |
| 4 | Beasley Construction | 55 | 5.0★ (5) | Grinnell | — | — |
| 5 | Schumacher Construction, LLC | 55 | 4.7★ (14) | Marshalltown, 22 mi away | 24/7 | Emergencies, Most reviews |
| 6 | Jasper Construction Services, Inc. | 53 | 5.0★ (9) | Newton, 16 mi away | — | — |
| 7 | Martinez Construction | 53 | 4.4★ (7) | Marshalltown, 11 mi away | — | — |
| 8 | Wilson Construction | 53 | 5.0★ (9) | Marshalltown, 24 mi away | Sat | — |
| 9 | JD Construction LLC | 52 | 4.8★ (6) | Ankeny, 15 mi away | — | — |
| 10 | CJ Construction | 52 | 4.3★ (6) | Marshalltown, 19 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 5.0★ from 30 Google reviews, the most in Grinnell.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coralville, 7 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Newton, 16 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Grinnell
Ranked #4 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 22 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Newton, 16 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 11 mi away
Ranked #7 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 24 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ankeny, 15 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 19 mi away
Ranked #10 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 23 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 6 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pella, 24 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Construction company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Newton, 16 mi away
Ranked #13 because of its Google rating and trade focus: 4.0★ from 3 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Newton, 18 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 23 mi away
Ranked #15 because of its Google rating and trade focus: 3.5★ from 6 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 22 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 22 mi away
Ranked #17 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 22 mi away
Ranked #18 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “General contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Marshalltown, 22 mi away
Ranked #19 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Newton, 17 mi away
Ranked #20 because of its Google rating and trade focus: 1.8★ from 5 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottumwa, 16 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 24 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 21 mi away
Ranked #23 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 22 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marshalltown, 23 mi away
Ranked #25 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
20 more general contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Albee Construction Inc. | 5.0★ (2) | 22 mi |
| C.w Construction | 5.0★ (2) | 21 mi |
| Cessford Construction Company, a CRH Company | 5.0★ (2) | 19 mi |
| Dutch's Construction, L.L.C. | 5.0★ (2) | In Grinnell |
| Gethmann Construction Inc | 1.0★ (1) | 22 mi |
| Hargrave Construction LLC | 5.0★ (1) | 23 mi |
| HomeRevisions, LLC | In Grinnell | |
| Hurk Underground Technologies | In Grinnell | |
| J&L LLP | In Grinnell | |
| Kolodji Carpentry and Construction, LLC | 5.0★ (2) | 9 mi |
| L & M Construction Co | 1.0★ (1) | 24 mi |
| Laven Construction LLC | 5.0★ (2) | 22 mi |
| Pioneer Construction, LLC | In Grinnell | |
| R & R Construction Services | 3.0★ (2) | 22 mi |
| robwwthebuilder,LLC. | In Grinnell | |
| Sears Community Construction and Consulting LLC | 3.0★ (2) | 15 mi |
| Shetler Construction, LLC | 5.0★ (1) | 22 mi |
| Vander Linden Construction Inc | In Grinnell | |
| Welker Construction Co | 5.0★ (1) | 23 mi |
| Wyatt Construct LLC | 4.3★ (36) | In Grinnell |
Typical prices in USD, adjusted for Iowa with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Kitchen remodel | $14,300 | $26,440 | $40,770 | Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 0.98 West North Central factor (2025 Cost vs. Value Report) | October 2026 |
| Bathroom remodel | $6,840 | $12,500 | $18,160 | Per bathroom: typical range of customer-reported remodels. US national range × 1.03 West North Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 25 Grinnell general contractors 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.
| Factor | Weight | Computed from | In Grinnell data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |