Submit your testing requirements through our streamlined intake process
Schedule & Dispatch
Our team coordinates and deploys certified technicians to your site
Field + Lab Testing
Comprehensive on-site and laboratory analysis begins immediately
Receive Reports
Get detailed, decision-ready reports within 24–48 hours
Services + Core offering
Everything you need — in one streamlined system
Field testing
On-site inspections by certified technicians
Accurate data collection at project sites
Real-time updates from field locations
Comprehensive site documentation
ASTM-compliant testing procedures
Lab testing
Advanced lab analysis with fast turnaround
ASTM-compliant testing processes
Reliable strength & material testing
State-of-the-art equipment and technology
Quality assurance protocols
Reporting & Insights
Clear, decision-ready reports with 100% accuracy
Instant digital access to all reports
Easy-to-understand documentation
Comprehensive data visualization
Historical project tracking
Real-time project visibility
Track your project status, testing progress, and reports — all in one place. Our integrated platform gives you complete transparency and control over every phase of your testing workflow.
100%
Digital Access
24/7
Dashboard Availability
Live
Status Updates
Anyone can send a "report" fast. Sierra Geotech sends a reviewed, signed, PE-stamped report in under 24 hours—not an unfinished draft buried in fine print.
98%
On-time project support
Consistently delivering results when you need them
24–48h
Average reporting time
Fast turnaround without compromising quality
500+
Projects completed
Extensive experience across diverse construction types
Proof & Results
Proven results across construction projects
Street crew was moving fast today and your tech kept right up. no waiting around
Highland Pacific St Rehab
Canal work kept moving. your testing support helped us avoid a hold up
Canal Replacement
Cox Rd went smooth. testing was quick and the crew didnt have to stop
SC County Cox Rd
Runway schedule was tight, but your crew didnt slow us down. solid day
Airport Runway 2-20 Recon
AC passed and we kept paving. that helped alot today
AC Overlay Phase E
Route 101 was busy but your guy stayed on it. good field support
05-1H0504 Route 101 Salinas
Bridge crew said your tech was dialed in today. send him back if you can
Marsh Creek Bridges
El Camino had alot going on today. your tech kept up and made it easy
SSF El Camino OBAG
Good day in Ukiah. testing was smooth and no one was waiting on results
Ukiah A1345
Good day in Ukiah. testing was smooth and no one was waiting on results
Ukiah A1345
Hwy 236 work stayed on track today. Sierra came thru again
05-1Q0804 Jayell & Hwy 236
Hwy 35 was tight but your guy handled it. no drama
05-1Q6904 Hwy 35
Bridge testing was covered and we didnt lose time. thats what we needed
01-0A1314 Hwy 162 Bridge
US 101 went clean today. your tech was on time and ready
US 101 University Ave
Big job, alot going on, but your guys stayed on top of the testing
Sacramento Weir
Monterey 101 was a long day. your team kept the reports moving
05-1M7604 Rte 101 Monterey County
Route 101 crew said your tech was solid today. easy to coordinate
05-1H4304 Route 101
Tehama St went fine. testing got done without slowing the crew
Willows S. Tehama St
Blue Lakes was rough but your guy still made it happen. solid work
01-0H8404 Hwy 20 Blue Lakes
RPC 22 testing was smooth today. no drama no delay
RPC 22
Multiple locations and still covered. thats why we call Sierra
03-1J0104 Sac & Yolo Counties Various
Repair work stayed moving today. your tech kept right up
Sulphur Works Repair
Kings River bridge crew said Sierra was on it today
06-0V1104 Stratford Kings River Bridge
Phase 1 went smooth. your tech was easy to work with
State Grant Phase I
Ramp work at different spots and still no confusion. nice job
SR 4 (10-1F1804) Ramps Various Locations
Ped bridge work stayed on schedule. testing didnt hold us up
SR-99 Pedestrian Overcrossing
Road repair moved fast today. your tech kept up and didnt slow anyone down
Highland Way Road Repair
Wall work stayed moving. testing was covered and crew was happy
01-0J6314 Hwy 253 Boonville Wall
Blue Lake was a haul, but your tech showed up ready. good work
01-0H5804 Hwy 299 Blue Lake
Arcata job went clean today. testing was handled quick
01-0H5604 Hwy 299 Arcata
Old Redwood crew said the Sierra tech was easy to work with
Old Redwood Hwy
Ramp work stayed moving. reports came in quick too
US 50 On-Ramp Improvements E. Bidwell & Iron Point Rd
Four bridges and no confusion. your team helped keep it organized
CR 67 Four Bridges
Soda Springs wasnt easy today, but your guy handled it
03-1H9904 I-80 Soda Springs
Runway rehab stayed on schedule. your testing support helped
Mather Runway 4R/22L Rehab
Monte Vista had a tight window. Sierra kept us moving
03-3H6104 I -80 Monte Vista
Trail work went smooth. your tech didnt need babysitting
Los Gatos Trail Connector
Napa routes had alot of moving parts. your team kept up
04-3Q7604 Napa 29/121/128
Pavement work stayed on track. compaction passed and we moved on
Cascade Cadenasso Drive Pavement
Elk Creek bridge crew said your tech was prepared today
01-0E11U4 Hwy 1 Elk Creek Br.
Complete streets work was busy, but your guy handled it well
Sacramento Complete Streets
Multiple streets, same day. Sierra still kept the testing clean
Five Star Blvd, Destiny Dr & Mission Hills Ph IV
Shoulder paving passed. we kept rolling, thx
Madera Shoulder Paving
Sidewalk work went smooth. your tech was on time and helpful
Placerville Broadway Sidewalks
Broadway maintenance moved along. no waiting on testing
Placerville Broadway Maintenance Projects
Sports complex crew said your tech was solid today
Westbrook Sports Complex Improvements
Geysers bridge work stayed moving. send that tech again if you can
Ball - Geysers Rd Bridge
I-5 Garden Hwy was busy today. your guy kept up
03-0N3504 I-5 Garden Hwy
Juan Ave was tight but your tech handled it. good day
Juan Ave Complete Streets
Beasore rehab crew said testing was easy today
Beasore Road Rehab
Monte Vista weather was rough, but Sierra still showed up
(03-3H6104) I-80 Monte Vista
Client success metrics
98%
Schedule Adherence
99.5%
Report Accuracy
96%
Client Satisfaction
86%
Repeat Client Rate
Industry recognition
Certified Testing Laboratory
ASTM International Compliance
Licensed Professional Engineers
State-certified engineering team
Quality Assurance Accredited
AASHTO R18
Industry Safety Leader
Zero incident safety record
About / Authority
Trusted testing experts since 2018
Sierra Geotech provides materials testing, field inspections, andgeotechnical engineering services across the WesternUnited States.
8+
Years in Business
50+
Team Members
Certified Engineers and Technicians
Our team holds professional certifications and undergoes continuous training to maintain the highest standards
Trusted by Contractors, Developers, and Agencies
Serving a diverse client base from private developers to government entities
Supporting Critical Infrastructure Projects
Infrastructure, transportation, and environmental projects across multiple states
Roadways
Materials testing and inspection support for highways, streets,paving projects, aggregate base, asphalt placement, compaction,and roadwayrehabilitation work.
Bridges
Testing and inspection support for bridge construction, includingconcrete pours, reinforcing steel, bridge decks, abutments,approaches, structural backfill, and related civil elements.
Water Infrastructure
Field and laboratory testing for pipelines, storm drain systems,pump stations, treatment facilities, recycled water projects, trenchbackfill, pipe bedding, and underground utility infrastructure.
Civil Infrastructure
Testing and inspection for graded building pads, commercial sites,parking lots, sidewalks, trails, retaining walls, structural backfill,and general public works improvements.
Comprehensive testing capabilities
Complete materials testing and geotechnical engineering services for every phase of construction
Soils & Earthwork
Field compaction testing
Moisture-density relationships
Sand cone testing
Nuclear gauge density testing
Subgrade evaluation
Aggregate & Rock
Aggregate base testing
Gradation analysis
Sand equivalent testing
Cleanness value testing
Durability index testing
Hot Mix Asphalt
HMA field density testing
Asphalt plant sampling support
Asphalt core testing
Maximum theoretical density testing
Asphalt content and gradation testing
Concrete Testing
Concrete sampling
Slump testing
Air content testing
Temperature testing
Concrete cylinder testing
Steel & Special Inspection
Reinforcing steel inspection
Structural steel observation
Welding inspection coordination
High-strength bolting observation
Epoxy dowel and anchor inspection
Lab Testing & Reporting
In-house laboratory testing
Sample receiving and tracking
Chain-of-custody management
Data review and validation
PE-reviewed test reports
Concrete Testing
Compressive strength testing
Slump and air content analysis
Temperature monitoring
Cylinder break testing
Mix design verification
Concrete Testing
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Concrete Testing
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Concrete Testing
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Concrete Testing
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Concrete Testing
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Slump and air content analysis
Technology-driven testing platform
Everything you need — in one streamlined system
Why construction projects get delayed
Our intelligent dispatch platform automatically assigns the nearest certified technician to your project, optimizing response times and reducing delays.
Real-time crew availability
Automated appointment confirmations
GPS tracking and route optimization
Mobile Field Data Collection
Technicians capture and upload data directly from the field using our custom mobile application, eliminating paperwork and transcription errors.
Digital forms and checklists
Photo and video documentation
Instant data synchronization
Client Dashboard Portal
Access all your project data, testing schedules, and reports through a secure, user-friendly web portal available 24/7.
Live project status updates
Downloadable reports and certificates
Historical data and analytics
Platform Features
99.9%
Platform Uptime Guarantee
Automated Workflows
Streamlined processes from sample collection to final reporting with minimal manual intervention
Quality Control Checks
Built-in validation rules ensure data accuracy and compliance at every step
Document Management
Centralized repository for all project documentation with version control
Notification System
Automated alerts for critical milestones, test results, and schedule changes
Integration Capabilities
API access for seamless integration with your project management systems
Security & Compliance
Enterprise-grade security with role-based access control and audit trails
Ready to keep your project on schedule?
Get fast, reliable testing and reporting without delays.