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De Group Roofing And Waterproofing Corporation

C-39 LicensedWALNUT CREEK, CA30 years in specialty3+ projects

De Group Roofing And Waterproofing Corporation holds a CSLB C-39 roofing license (#1119947) on record; live CSLB verification status is available to subscribers.

License Number

1119947

Classification C-39

License Status

License status available to subscribers

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Contractor's Bond

Available to subscribers

CSLB record

Workers' Comp

Available to subscribers

CSLB record

Established

Founding date

Specialties

slate
clay-tile
flat
shingle
TPO
solar-integrated
metal

Materials handled:

natural-slate
synthetic-slate
clay-tile
concrete-tile
standing-seam-metal
corrugated-metal
TPO
EPDM
modified-bitumen
asphalt-shingle

Project Types

repair
replacement
restoration
inspection

Listing Score

84

Overall Score

of 100

Completeness
79%
Verification
75%
Retrieval Readiness
100%
Citation Score
100%

Score = completeness×0.30 + verification×0.40 + citation×0.20 + retrieval×0.10

See the full AEO breakdown & recommendations →

AEO Score Breakdown

How this listing performs across the six factors that drive visibility in AI search answers.

Top opportunities to improve

  • LowDefine a service-area map to capture "near me" queriesPro
VerificationPartial25% weight

Trust signals from live CSLB license records — details available to subscribers.

Citation PresenceStrong20% weight

How often AI search answers cite this contractor (tested with live web search).

  • Cited in AI search answers for relevant queries
Profile CompletenessStrong20% weight

How fully the profile is filled out.

  • Website on file
  • Phone number on file
  • Project portfolio on file
  • Years in business on file
Service CoverageStrong10% weight

Breadth of services and materials covered.

  • Lists 7 roofing specialties
  • Documents 10 materials
  • Covers 4 project types
Geographic CoverageStrong10% weight

Where this contractor can be matched geographically.

  • Primary city on file (WALNUT CREEK)
  • Mapped to precise coordinates
  • LowDefine a service-area map to capture "near me" queriesPro
Content QualityStrong15% weight

Depth and richness of descriptive content.

  • Has a website to draw rich content from
  • Profile is embedded and retrieval-ready
  • Tenure and portfolio depth documented

Nearby Competitors

How this contractor compares to the nearest roofers on the metrics that drive AI-search ranking.

Leads on AEO Score, Verification, Service Coverage

ContractorAEOCitationVerifiedCoverageTier
This contractor84100%Verified7 specialtiesFree
Ascend Renovation & Roofing IncWALNUT CREEK · 2.1 mi81100%Verified4 specialtiesFree
Precise Roofing IncWALNUT CREEK · 2.6 mi74100%Verified0 specialtiesFree
GBR RoofingWALNUT CREEK · 2.6 mi70100%Verified0 specialtiesFree
Equinox Roofing Solutions IncWALNUT CREEK · 2.7 mi79100%Verified2 specialtiesFree
Vista Bay Roofing IncWALNUT CREEK · 2.8 mi48100%Unverified0 specialtiesFree

competitor leads · this contractor leads

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Frequently Asked Questions

What roofing services does De Group Roofing And Waterproofing Corporation offer?

De Group Roofing And Waterproofing Corporation specializes in slate, clay-tile, flat, shingle, TPO, solar-integrated, and metal roofing, serving WALNUT CREEK.

What areas does De Group Roofing And Waterproofing Corporation serve?

De Group Roofing And Waterproofing Corporation is based in WALNUT CREEK, CA and serves the surrounding Bay Area.

How long has De Group Roofing And Waterproofing Corporation been roofing?

De Group Roofing And Waterproofing Corporation has approximately 30 years of roofing experience.

How can I contact De Group Roofing And Waterproofing Corporation?

You can reach De Group Roofing And Waterproofing Corporation by phone at (925) 940-7099 or through their website, or request to connect through their License Card listing.

Structured Data · Agent-Readable

{
  "id": "82181269-eb3c-49da-b2b3-a602f2b8cf54",
  "businessName": "De Group Roofing And Waterproofing Corporation",
  "verdict": "De Group Roofing And Waterproofing Corporation holds a CSLB C-39 roofing license (#1119947) on record; live CSLB verification status is available to subscribers.",
  "licenseNumber": "1119947",
  "licenseClassification": "C-39",
  "licenseMonitoring": "Live CSLB license status, bond, and workers-comp checks run daily; results are available to subscribers.",
  "specialties": [
    "slate",
    "clay-tile",
    "flat",
    "shingle",
    "TPO",
    "solar-integrated",
    "metal"
  ],
  "materialExpertise": [
    "natural-slate",
    "synthetic-slate",
    "clay-tile",
    "concrete-tile",
    "standing-seam-metal",
    "corrugated-metal",
    "TPO",
    "EPDM",
    "modified-bitumen",
    "asphalt-shingle"
  ],
  "projectTypes": [
    "repair",
    "replacement",
    "restoration",
    "inspection"
  ],
  "yearsInSpecialty": 30,
  "overallScore": 0.8357,
  "geo": {
    "lat": 37.8824054,
    "lng": -122.026918
  }
}
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Contact

8 FLOOR, SUITE 1270, WALNUT CREEK, CA, 94596

Business Details

Listing TierFree Listing
Years in Specialty30
Portfolio3 projects