Keystone ConstructionGeneral contractor in Ammon, ID
Keystone Construction is a general contractor at 1601 Midway Ave, Ammon, ID 83406, ranked #8 of 57 general contractors in Ammon and rated 3.7 from 6 Google reviews.
Ammon, IDUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 1601 Midway Ave, Ammon, ID 83406Get directions |
|---|---|
| Phone | (208) 821-8737 |
| Website | youreastidahobuilder.com |
| Google rating | 3.7 from 6 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- General Contractingmain tradeGoogle main category
Service area
Serves Ammon and 1 town within 25 miles: Idaho Falls.
Based in Ammon, IDView on map
Typical general contracting prices
| Job | Low | Typical | High |
|---|---|---|---|
| Kitchen remodelPer project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.00 Mountain factor (2025 Cost vs. Value Report) | $14,610 | $27,020 | $41,660 |
| Bathroom remodelPer bathroom: typical range of customer-reported remodels. US national range × 0.95 Mountain factor (2025 Cost vs. Value Report) | $6,340 | $11,590 | $16,840 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
Compare nearby general contractors
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| Keystone Construction (this business) | — | 80 | 3.7 (6) | — | — | — | |
| Knife River | #6 | 80 | 3.6 (28) | — | — | — | 4.7 mi |
| Black Iron Construction | #7 | 80 | 4.9 (17) | — | Yes | No | 3.5 mi |
| Apollo Construction Company Inc | #9 | 80 | 5.0 (5) | — | — | — | 4.1 mi |
Questions about Keystone Construction
How is Keystone Construction ranked in Ammon?
Keystone Construction is ranked #8 of 57 general contractors in Ammon by CR Score, with 80 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.
What areas does Keystone Construction serve?
Serves Ammon and 1 town within 25 miles: Idaho Falls. The list is based on the business's location and the usual service radius for general contracting. Confirm your address is covered when you call.
What do Google reviews say about Keystone Construction?
Keystone Construction has a rating of 3.7 from 6 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.
How do I contact Keystone Construction?
Call Keystone Construction on (208) 821-8737. The business is at 1601 Midway Ave, Ammon, ID 83406. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
Own Keystone Construction? Claim this profile.
Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.