| Alexander Electric | Larry Lee Alexander | — | (916) 502 6166 | Electricians | Placerville · El Dorado County | — | — |
| Alexander Heating & Air Conditioning | Alexander Heating & Air Conditioning | — | (530) 497 0334 | HVAC | Camino · El Dorado County | — | — |
| Alexander Toler | Alexander Toler | — | (713) 261 0124 | GC, remodel, ADU | Cameron Park · El Dorado County | — | — |
| All American Builder LLC | Justin Lee Henry | info@allamericanbuilder.com | (530) 209 1221 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| All American Mechanical | Brian Patrick Stanton | — | (916) 500 1286 | HVAC | El Dorado Hills · El Dorado County | — | — |
| All Around Handyman | All Around Handyman | — | (916) 320 5293 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| All Coast Builders INC | Edio Richard Delfino | contact@allcoastbuilders.com | (530) 626 9835 | GC, remodel, ADU | Diamond Springs · El Dorado County | — | — |
| All Design Fencing And C M Blacksmithing | Charles Merrell Lyman | — | (530) 622 2465 | Other | Diamond Springs · El Dorado County | — | — |
| All Exclusive Elite Construction | Andreas E Tzortzis | — | (775) 220 7204 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| All In One Tree Services | Bryan Lloy Henifin | — | (530) 350 0882 | Windows, patio, painters | Shingle Springs · El Dorado County | — | — |
| All Mountain Home Services LLC | Amos Oran Whitlock | — | (530) 686 7300 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| All Phase Home Repair | All Phase Home Repair | — | (916) 287 6164 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| All Plumbing | All Plumbing | — | (530) 721 2257 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| All Points Welding | All Points Welding | — | (530) 295 9380 | Other | Diamond Springs · El Dorado County | — | — |
| All Seasons Plumbing | Gary Gene Lefler | interested@domainmarket.com | (530) 577 9039 | HVAC | South Lake Tahoe · El Dorado County | — | — |
| All Shore Construction And Remodel | Peter James Erdody | — | (530) 314 1810 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| All Star Home Services | John Robert Zweck | — | (916) 307 8781 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| All Star Seamless Rain Gutters | All Star Seamless Rain Gutters | allstarseamless@gmail.com | (916) 969 6975 | Other | El Dorado Hills · El Dorado County | — | — |
| Allan Baz Construction | Allan Thomas Baz | — | (530) 318 2516 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Allen Construction | Trace Lee Allen | — | (530) 957 6523 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Allen Developments And Construction | Lance Nelson Allen | — | (310) 344 7905 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| Alliance Builders | Alliance Builders | — | (530) 457 7948 | GC, remodel, ADU | Cool · El Dorado County | — | — |
| Alliance Electric | Daniel James Eckes | — | (916) 481 6000 | Electricians | El Dorado Hills · El Dorado County | — | — |
| Almendariz Consulting INC | Kirk Lee Ridgley | info@almendarizconsulting.com | (916) 939 3392 | Other | El Dorado Hills · El Dorado County | — | — |
| Alpenglow Off Grid LLC | Ari Joseph Ratzer | — | (707) 564 5591 | GC, remodel, ADU | Somerset · El Dorado County | — | — |
| Alpenglow Tree Service | Travis David Junkin | alpenglowtreeservice@gmail.com | (713) 299 3287 | Other | South Lake Tahoe · El Dorado County | — | — |
| Alpine - Smith INC | Lisette Maria Smith | info@alpinesmith.com | (530) 541 0250 | Other | South Lake Tahoe · El Dorado County | — | — |
| Alpine Builders | Dale Ermal Myrick | info@trustalpine.com | (530) 626 5988 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Alpine Carpets Corporation | Rachelle Darlene Friederici | — | (530) 541 6171 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Alpine Construction & Design INC | Jackson Paul Njoten | — | (530) 545 9933 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Alpine Earthworks General Engineering INC | Cameron M Hornish | — | (530) 318 8577 | Other | South Lake Tahoe · El Dorado County | — | — |
| Alpine Exteriors | Alpine Exteriors | — | (530) 626 5988 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Alpine Heating And Air Conditioning INC | Scott Thomas Barry | — | (530) 677 4223 | HVAC | Shingle Springs · El Dorado County | — | — |
| Alpine Metals | Alpine Metals | — | (530) 541 4180 | Other | South Lake Tahoe · El Dorado County | — | — |
| Alpine Refrigeration Service | Andrew Gary Swasey | — | (530) 577 0288 | HVAC | South Lake Tahoe · El Dorado County | — | — |
| Alpine Ridge Construction INC | Eric Jon Schram | — | (530) 306 4379 | GC, remodel, ADU | Diamond Springs · El Dorado County | — | — |
| Alta - Cal Roofing | David Joseph Klinker | — | (530) 306 9792 | Other roofers | Cameron Park · El Dorado County | — | — |
| Alta Sierra Tree Service | Rojas Rios Abel | — | (530) 306 0948 | Tree | Cameron Park · El Dorado County | — | — |
| Alta Vista Landscaping INC | Esparza Miguel Martinez | — | (530) 417 5812 | Windows, patio, painters | Placerville · El Dorado County | — | — |
| Altamont Construction Services INC | Javier Alcala Ceja | — | (209) 321 3624 | Electricians | El Dorado Hills · El Dorado County | — | — |