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Diamond Building Developments logoDiamond Building Developments

York, ON
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WSIBHCRA Licensed
2 Credentials Verified
ProScore

This score reflects WSIB coverage confirmed.

How is this calculated?
Score updated: Oct 2026

About Diamond Building Developments

AI-generated summary from ProScore data sources

Diamond Building Developments offers general contracting work in York, Ontario and the areas around it.

  • Diamond Building Developments: one of 24 general contractors in York.
Rated on 1 independent platformProScore found ratings for this business on 1 independent review platform. Each one is listed in "Ratings Across Platforms" below.Government-licensedWSIB coverage confirmed

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Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 1 review
GoogleListing found
Google Business Profile reviews
4.0/5
1 review

Not found on 3 other platforms ProScore checks (Review platform B, BBB, Review platform C).

ProScore aggregates Google, the BBB and other major review platforms. Some sources are not named publicly.

How sources are weighted: ProScore methodology.

Things to Know

WSIB Verified

Workplace Safety and Insurance Board coverage confirmed — you're protected.

HCRA Licensed

Licensed by the Home Construction Regulatory Authority — confirmed against the register.

Google Review Breakdown

1 total
5
0
4
1
3
0
2
0
1
0

Frequently Asked Questions

Is Diamond Building Developments licensed?
Yes, Diamond Building Developments is registered with HCRA (Home Construction Regulatory Authority), verified by ProScore.
Does Diamond Building Developments have insurance?
Yes, Diamond Building Developments has verified WSIB (Workplace Safety and Insurance Board) coverage, which protects homeowners from liability if a worker is injured on the job.
What is Diamond Building Developments’s rating?
Diamond Building Developments has a ProScore Trust Score of 48/100 (Basic), calculated from 1 data source including 1 Google review.
Where is Diamond Building Developments located?
Diamond Building Developments is a general contractor serving York, Ontario. You can reach them at +1 416-242-8454. View their full profile on ProScore for reviews and credentials.

Business Details

2007 Lawrence Av W, York, ON M9N 3V1
General Contractor

Services Offered

Home renovationsAdditionsNew constructionProject managementPermit acquisitionDesign-build

Credentials

HCRA Licensed Builder
HCRA Licensed Builder (B39854)
✓ Confirmed
Insurance
Not Confirmed
WSIB Coverage
✓ Confirmed

Credentials are as reported by contractors and public sources — verify each with the contractor and the issuing authority before hiring.Check it yourself: WSIB clearance · HCRA Ontario Builder Directory

Data Transparency

Sources
Google and Ontario regulatory records
Score computed
October 13, 2026

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Checked by ProScore

What is the ProScore?

One score from 0 to 100 across every review platform and public registry ProScore checks. How the ProScore works

≥81
Elite
≥70
Trusted
≥54
Good
≥30
Basic
<30
Caution
—
Not yet rated

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Compare General Contractors in York

See how Diamond Building Developments ranks against other general contractors in York on ProScore.

A ProScore is informational only — not a guarantee, endorsement, or recommendation — and the data behind it may be incomplete or out of date. Before hiring, independently verify all credentials, including licences, insurance (including WSIB) and references, directly with the contractor and the issuing authority. Full data notice. Something wrong? Let us know.