Top-Rated Contractors in Upper Lake
24 verifiedThese contractors have SiteVetter Safety Scores of 85+ out of 100, indicating strong compliance with licensing, insurance, bonding, and federal requirements.
A SiteVetter Safety Score is a proprietary 0-100 compliance rating that aggregates contractor data from six sources: California Contractors State License Board (CSLB), SAM.gov federal exclusions, OSHA safety inspections, Department of Labor wage records, EPA environmental compliance, and building permit records from major California cities. In Upper Lake, CA, 24 contractors currently hold Safety Scores of 85 or above, qualifying them as “top-rated” for 2026.
How We Calculate Safety Scores
Our Safety Score aggregates data from 6 sources: CSLB license status, workers' compensation coverage, contractor bonding, federal databases including SAM.gov (debarment), OSHA (safety violations), DOL (wage violations), and building permits. Scores of 85+ indicate contractors with active licenses, proper insurance, and clean federal records.
Top 24 Contractors by Safety Score
Ranked by SiteVetter Safety Score, highest first
Jim's Pumps
License #993066 · C55
Grade A · Excellent
Country Carpets
License #520845 · C15
Grade A · Excellent
E C S Construction
License #862756 · B
Grade A · Excellent
North Shore Drywall
License #725775 · B
Grade A · Excellent
Cross Cut Construction
License #908406 · B
Grade A · Excellent
Ace Tree Solutions
License #1054539 · D49
Grade A · Excellent
Zimmerschied Construction
License #1052772 · B
Grade A · Excellent
Chelsea General Contractors INC
License #1027409 · B
Grade A · Excellent
JB Electric
License #1011155 · C10
Grade A · Excellent
Sawdust Construction
License #848276 · B
Grade B · Good
D & D Fence
License #556949 · C13
Grade B · Good
Petaluma Brushworks
License #668028 · C33
Grade B · Good
Fryer Thomas a Repairs and Construction
License #762241 · B
Grade B · Good
Mas Construction
License #784048 · B
Grade B · Good
Isaiah's Plumbing
License #979539 · C36
Grade B · Good
J W Electric
License #933271 · C10
Grade B · Good
MC Cutcheon Construction
License #751384 · B
Grade B · Good
Titterington Devon Construction
License #1008205 · B
Grade B · Good
Kelsay Construction
License #829920 · B
Grade B · Good
C N R Construction
License #873554 · B
Grade B · Good
Summerfield & Sons Construction
License #870813 · B
Grade B · Good
Lovings Fireplace Service
License #918430 · D34
Grade B · Good
Hutton Well Drilling
License #522306 · A
Grade B · Good
Coleman Construction LLC
License #1099896 · A
Grade B · Good
Finding the Best Contractors in Upper Lake
When hiring a contractor in Upper Lake, California, due diligence matters. The contractors listed above have been verified against multiple government databases and achieved Safety Scores of 85 or higher—placing them among the most compliant contractors in the area.
Our Safety Score considers:
- License Status — Active CSLB license with proper classifications
- Workers' Compensation — Current coverage to protect you from liability
- Contractor Bond — Financial protection if work isn't completed
- Federal Compliance — No debarments, wage violations, or safety citations
While a high Safety Score is a strong indicator of a reputable contractor, we always recommend getting multiple quotes, checking references, and verifying the contractor is licensed for your specific type of project.
Safety Scores are calculated based on publicly available government records and are updated weekly. For official verification, check directly with CSLB at cslb.ca.gov.