CALSTONE is a concrete block and brick manufacturing employer in SUNNYVALE, CA. Federal records show 1 OSHA inspection with 0 violations and $0 in penalties. All data sourced from public federal enforcement records.
Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA, and the UVA Corporate Prosecution Registry. Last updated: May 2, 2026.
CALSTONE
1155 ASTER AVE., SUNNYVALE, CA, 94086
Parent: Calstone Company (4 locations)
327331 — Top companies in Concrete Block and Brick Manufacturing
EIN: 840581283
18 employees
Industry Benchmark
Data Insights
Inspection Breakdown
Labor Relations (NLRB)
Motor Carrier Safety (FMCSA)
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Inspection History
No inspection records found.
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Data aggregated from public federal enforcement and program records (OSHA, WHD, MSHA, EPA, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA) plus the UVA Corporate Prosecution Registry. Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.
Part of a larger organization
CALSTONE is one of 4 establishments in our dataset that roll up under the parent organization Calstone Company.
Federal enforcement records on CALSTONE represent activity at this specific establishment. The full enforcement footprint of Calstone Company across all 4 of its tracked locations is viewable on the parent profile.
Other establishments operated by Calstone Company
- CALSTONE COMPANY — TRACY, CA — 2 federal records
- CALSTONE COMPANY — SAN MARTIN, CA — 2 federal records
- CALSTONE — GALT, CA — 1 federal record
Other employers in Concrete Block and Brick Manufacturing within CA
- ANGELUS BLOCK CO., INC. — INDIO — 2 federal records
- CALSTONE COMPANY — TRACY — 2 federal records
- ELLIOTT PRECISION BLOCK CO — SAN BERNARDINO — 2 federal records
- OLDCASTLE PRECAST, INC. — FONTANA — 2 federal records
- ANGELUS BLOCK COMPANY — GARDENA — 2 federal records
- ORCO BLOCK & HARDSCAPE — RIVERSIDE — 2 federal records
- INLAND CONCRETE PRODUCTS INC. — FONTANA — 2 federal records
- ANGELUS BLOCK CO., INC. — BLOOMINGTON — 2 federal records
- PAVESTONE, LLC — WINTERS — 2 federal records
- CALSTONE COMPANY — SAN MARTIN — 2 federal records
Industry context
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 2.3 for the concrete block and brick manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.5. CALSTONE's self-reported DART rate is 0, which is below the industry average.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 20 years.
Frequently Asked Questions
- What is CALSTONE's OSHA violation history?
- CALSTONE has 1 OSHA inspection on record with 0 violations and $0 in total penalties.
- How does CALSTONE's safety record compare to its industry?
- CALSTONE operates in the concrete block and brick manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 2.3. CALSTONE's self-reported DART rate is 0 compared to an industry average of 1.5.
About this data
This profile aggregates federal enforcement records on CALSTONE of SUNNYVALE, CA from 17 federal data sources. Records were found in 4 sources: OSHA workplace safety inspections, NLRB labor relations cases, FMCSA motor carrier safety, and BLS industry safety benchmarks. The remaining 13 sources were checked and found no matching records: WHD, MSHA, EPA, OFLC, OFCCP, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement, SEC facts.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 2, 2026. CALSTONE resolves to the parent rollup Calstone Company, which operates 4 establishments in our dataset.
This profile may be incomplete if CALSTONEoperates under multiple legal names, files under variations our entity-matching rules don't yet cover, or maintains records below current matching thresholds. To report a missing record or correction, email corrections@fastdol.com.