| Keeters Plumbing INC | Norman Mark Keeter | — | (707) 954 4496 | Other | Smith River · Del Norte County | — | — |
| Kevin Dittmar Fencing | Kevin Dittmar Fencing | — | (707) 464 5060 | Other | Smith River · Del Norte County | — | — |
| Kevin Marsh Construction | Kevin David Marsh | — | (707) 954 2276 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Klamath River Construction | Walter James Iii Lara | — | (707) 498 9517 | Other | Klamath · Del Norte County | — | — |
| Ks Construction LLC | Justin Dale Paul Schrader | — | (707) 954 1104 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| L&a's Construction | Amanda Rae Brown | — | (541) 270 0252 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Lkml Plumbing | Shaun Lamonte Lesina | — | (707) 954 8519 | Other | Crescent City · Del Norte County | — | — |
| Lnl Design And Construction | Leonard Nickey Lafazio | — | (707) 465 6432 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Loftin General Construction | Warren Boyd Loftin | — | (707) 951 4888 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Logan Plumbing | Logan Plumbing | — | (707) 954 8519 | Other | Crescent City · Del Norte County | — | — |
| Loveco Builder | Loveco Builder | — | (707) 951 0466 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Lyon Homes INC | William Curtis Lyon | — | (707) 954 4440 | GC, remodel, ADU | Smith River · Del Norte County | — | — |
| M & M Painting | M & M Painting | — | (916) 300 0538 | Windows, patio, painters | Crescent City · Del Norte County | — | — |
| Manager 4 Less | Manager 4 Less | — | (760) 203-4680 | Property managers | Carlsbad · Del Norte County | — | — |
| Manley Construction | Richard Gene Manley | — | (707) 464 6903 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Manuel T Martinho Woodcrafts | Manuel T Martinho Woodcrafts | — | (707) 954 5592 | Other | Crescent City · Del Norte County | — | — |
| Marsh Builders | Kevin David Marsh | — | (707) 954 2276 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Mastaloudis Construction | Christopher James Mastaloudis | — | (707) 951 4914 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Merk Construction Corporation | Michael John Gerace | — | (916) 397 2981 | Other | Klamath · Del Norte County | — | — |
| Merle Helstowski Signs | Merle Helstowski Signs | — | (707) 465 6552 | Other | Crescent City · Del Norte County | — | — |
| Michael Johnston | Michael Johnston | — | (707) 465 1735 | Other | Crescent City · Del Norte County | — | — |
| Miguel Ruiz | Miguel Ruiz | — | (707) 954 5806 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Miller Builders | Miller Builders | interested@domainmarket.com | (707) 954 0224 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Montez Construction | David Jake Montez | — | (707) 954 2565 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Moore Heating And Air | Moore Heating And Air | — | (707) 460 6333 | HVAC | Crescent City · Del Norte County | — | — |
| Morrison Construction | Leonard Berts Morrison | — | (707) 951 0232 | GC, remodel, ADU | Gasquet · Del Norte County | — | — |
| Mountain Power Tree Company | Gavin Spencer Scott | — | (707) 954 4432 | Tree | Crescent City · Del Norte County | — | — |
| Murray Construction | William Gregory Murray | — | (707) 954 2683 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Native Construction And General Contracting | Georgia Ann Ward | — | (707) 951 6201 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| Nesbit's Landscaping | Nesbit's Landscaping | — | (916) 903 6399 | Windows, patio, painters | Crescent City · Del Norte County | — | — |
| New Effex | New Effex | — | (707) 460 1850 | Windows, patio, painters | Crescent City · Del Norte County | — | — |
| Nord + Süd Vacation Rental | Nord + Süd Vacation Rental | — | (619) 607-3177 | Property managers | Encinitas · Del Norte County | — | — |
| North Chimney Inspection Services Ltd | North Chimney Inspection Services Ltd | — | (760) 313-7706 | Inspectors | Carlsbad · Del Norte County | — | — |
| North Coast Construction | Steven Scott Stanford | — | (707) 954 3014 | GC, remodel, ADU | Crescent City · Del Norte County | — | — |
| North Coast Property Management | North Coast Property Management | moreinfo@northcoastpm.com | — | Property managers | Crescent City · Del Norte County | — | — |
| North Coast Window Cleaning | North Coast Window Cleaning | — | (760) 518-2482 | Windows, patio, painters | Encinitas · Del Norte County | — | — |
| North County Homes & Estates: Dustin Rosa Realty Corp. | North County Homes & Estates: Dustin Rosa Realty Corp. | — | (760) 662-7333 | Property managers | Carlsbad · Del Norte County | — | — |
| North County Pest Management | North County Pest Management | — | (760) 517-6674 | Pest, tile roofs | Oceanside · Del Norte County | — | — |
| North County Premier Roofing Escondido | North County Premier Roofing Escondido | — | (760) 437-6996 | Other roofers | Escondido · Del Norte County | — | — |
| North County Pro-Painters Est 2001 | North County Pro-Painters Est 2001 | — | (760) 936-1593 | Windows, patio, painters | Oceanside · Del Norte County | — | — |