GEO · CMT · ENV · LAB

Geotechnical Engineering & Construction Materials Testing in Texas

From the grounds up, Quartet Engineers provides soil investigations, geotechnical reports, construction materials testing, special inspections, environmental site assessments, and in-house laboratory testing. Based in Houston, Quartet Engineers serves Greater Houston, Dallas-Fort Worth, and projects throughout Texas.

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ENVIRONMENTAL SERVICES

Environmental Site Assessments & Due Diligence Across Texas

Environmental due diligence for property acquisition, financing, redevelopment, and infrastructure projects, beginning with Phase I Environmental Site Assessments when appropriate and extending to Phase II investigation, soil contamination testing, groundwater monitoring, and related environmental services.

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Your Trusted Partner

In Testing, Inspection and Certification

Quartet Engineers is a Houston-based geotechnical engineering, construction materials testing, environmental services, and laboratory testing firm serving projects throughout Texas.Services include geotechnical investigations, soil boring services, geotechnical reports, foundation design recommendations, construction materials testing, special inspections,environmental site assessments, environmental due diligence, and in-house materials laboratory testing. Quartet Engineers primarily supports Greater Houston and Dallas-Fort Worth while erving clients statewide.

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Call us for any of your needs on Geotechnical Engineering, Construction Material Testing, and ESA Phase-I & Phase-2 studies.

GEO | CMT | ENV | LAB | DRILL | INSPECT

Quartet Engineers has earned a reputation for providing superior engineering and testing services by merging our technical abilities with our core values.

GEO

Geotechnical Engineering and Testing

Soil investigations, borings, geotechnical reports, bearing capacity and settlement analysis, pavement design, and foundation recommendations for Texas projects.

CMT

Construction Materials Testing

Concrete, asphalt/pavement, compaction, Proctor, density/moisture, aggregate, special inspection and QA/QC testing.

LAB

Materials Testing Laboratory

Environmental due diligence, Phase I Environmental Site Assessment, Phase II/targeted investigation, soil and groundwater testing, monitoring and monitoring-well support.

ENV

Environmental Services

Houston-based soil, aggregate, concrete, asphalt and pavement-related laboratory testing under controlled procedures.

drill

Drilling

Geotechnical Drilling & Subsurface Exploration Across Texas

inspect

Special Inspections

Special Inspection Services for Texas Construction Projects

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Recent Work

Featured Projects

All Projects

CMT

Houston, TX

Hanover Apartments

A extensive CMT project and post construction view for commercial high rise buildings after asphalt overlay and construction material testing

Rockrose Ranch – Geotechnical

A comprehensive geotechnical lot borings for residential homes by century communities

Rockrose Ranch

Geotechnical and construction materials testing across the Rockrose Ranch master-planned community — water/sewer/drainage, paving, detention, lift station, and amenity-center foundations

MD Anderson – Geotechnical Lab Testing

Geotechnical laboratory testing services performed for Raba Kistner in support of MD Anderson facility work — a representative partner-firm engagement.

Spring Creek Channel – Flood Control

Construction materials testing and inspection for flood-control channel improvements along Spring Creek.

Refinery Tank Farm

Geotechnical drilling and foundation investigation for a storage-tank facility — subsurface borings with bearing-capacity and settlement analysis for tank pads.

West Haven Place

Geotechnical engineering for the West Haven Place development — subsurface exploration with pavement and foundation recommendations

Port of Houston Facility

Construction materials testing and special-inspection services supporting Port Houston facility improvements. (Active, 2026.)

William Lawson Park – Fitness Improvements

Construction materials testing and inspection for fitness and park improvements at William Lawson Park.

City of Houston – Parking Expansion

Construction materials testing for a municipal parking-facility expansion — subgrade soils, plasticity-index testing, and structural concrete.

City of La Marque – Waterline

Construction materials testing and inspection for waterline improvements — trench backfill compaction and pavement repair.

John Paul’s Landing Park (North)

Construction materials testing and inspection for new community-park development at John Paul’s Landing (North), Precinct 4.

Sanford Farms – Detention & Infrastructure

Geotechnical and construction materials testing for detention, mass grading, and subdivision infrastructure at the Sanford Farms development.

Highway 90A Commercial Utilities

Construction materials testing for commercial utility installation along US Highway 90A — trench backfill compaction and concrete testing.

Meritage Homes – Talavera (Sec. 7 & 8)

Geotechnical engineering and lot/pavement testing for residential subdivision sections developed by Meritage Homes.

Smalls Sliders – Conroe

Construction materials testing — field compaction and concrete testing — for a new Smalls Sliders restaurant in Conroe, TX.

Gehan Homes

Geotechnical investigation supporting residential construction for Gehin Homes — soil borings, lab testing, and foundation design recommendations.

Grace Landing

Geotechnical investigation for the Grace Landing residential subdivision — field borings, laboratory testing, and lot/pavement foundation recommendations.

Preliminary Fault Study – Waller

Preliminary surface-fault study for a Waller County development — desktop review and field reconnaissance to identify potential active fault traces.

Slope Stability & Erosion Control

Slope-stability evaluation and erosion-control assessment for a creek-side slope — site observation and stabilization recommendations.

Civic Core Campus

Geotechnical investigation for the Civic Core Campus mixed-use civic development — subsurface borings and foundation/pavement recommendations.

The Paragon Place – Multi-Center Complex

Geotechnical engineering for The Paragon Place multi-building complex (Phase 1) — borings, UU/laboratory testing, and foundation design recommendations.

Swell Testing

Soil swell testing for a medical office building foundation — laboratory 1-D swell testing to support slab/foundation design.

ENV

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200+

Clients Served

1000+

Projects Completed

11+

Years

Certifications + Accreditations

Our Services

ISO 6319.01 & 6319.02 / A2LA

Small Business Enterprise

Minority Business Enterprise

17025

FAQ

Frequently Asked Questions

Find answers to common questions about Quartet Engineers' geotechnical, environmental, materials testing, and laboratory services

Plan on 24 to 48 hours for routine scheduling; Houston-based CMT firms with local dispatch can often cover next-day or same-day requests when weather moves a pour. Build testing notification into the contractor's three-week look-ahead schedule. Concrete placed without sampling has no acceptance record, and the engineer can require expensive coring later.

CMT

Most Houston projects budget construction materials testing at roughly 0.5% to 1% of hard construction cost, billed as technician hours plus per-test lab fees. Spec-driven test frequency, trip count, and pour schedule drive the total more than the rate sheet. Send your spec and drawings to the lab for a line-item proposal rather than budgeting from a rule of thumb.

CMT

Lightning stops work, full stop — a drill mast is the tallest steel object on most sites. Rain itself rarely stops the drilling; it stops the access. Gulf Coast clay sites that a truck rig crossed on Monday can be impassable Wednesday, which is when track rigs and mats earn their keep. Wet-season fieldwork mostly means planning: rig selection for the forecast, sequencing borings from firm ground outward, and protecting samples from moisture gain between rig and lab. Hurricane season occasionally costs a week outright — build slack into fall schedules. Drought is the opposite problem: easy access, but the crew is sampling clay at its driest, which the engineer must account for when estimating seasonal movement.

DRILL

Routine Houston-area geotechnical borings run 15 to 40 feet; mid-rise, industrial, and settlement-sensitive projects commonly go 50 to 100 feet, and specialized programs deeper. The rig is rarely the limit — the engineering program is. Termination depth is set before drilling: deep enough to pass through the seasonal moisture-change zone in expansive clay, penetrate any weak or compressible layers, and reach below the foundation's zone of influence — including the bearing stratum for drilled piers. Crews extend borings in the field when they hit unexpectedly soft material at planned depth, which is exactly the surprise you want caught now. Practical exceptions exist — refusal on dense material or unexpected obstructions — and are noted on the log with the engineer deciding next steps.

DRILL

Yes, with planning. Industrial and marine facilities add badging, safety orientations, facility work permits, air monitoring, and often air-knifing or hand-augering before the rig touches soil. Quartet Engineers crews work in active refinery tank farms, Port Houston-area facilities, and municipal rights-of-way across Harris County, so this coordination is routine rather than exceptional. Roadway work adds traffic control to Texas MUTCD standards, lane-closure permits from the city, county, or TxDOT, and often night or weekend windows. All of it is schedulable — the failure mode is discovering the requirements after mobilization. For these sites, the pre-drilling paperwork can take longer than the drilling. Start facility approvals and permits the day the proposal is signed.

DRILL

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Geotechnical Engineering & Construction Materials Testing in Texas

Soil Investigations & Geotechnical Reports for Texas Projects

Construction Materials Testing in Houston & Across Texas

Environmental Site Assessments & Due Diligence Across Texas

In Testing, Inspection and Certification

GEO | CMT | ENV | LAB | DRILL | INSPECT

Geotechnical Engineering and Testing

Construction Materials Testing

Materials Testing Laboratory

Environmental Services

Drilling

Special Inspections

Featured Projects

Hanover Apartments

Rockrose Ranch – Geotechnical

Rockrose Ranch

MD Anderson – Geotechnical Lab Testing

Spring Creek Channel – Flood Control

Refinery Tank Farm

West Haven Place

Port of Houston Facility

William Lawson Park – Fitness Improvements

City of Houston – Parking Expansion

City of La Marque – Waterline

John Paul’s Landing Park (North)

Sanford Farms – Detention & Infrastructure

Highway 90A Commercial Utilities

Meritage Homes – Talavera (Sec. 7 & 8)

Smalls Sliders – Conroe

Gehan Homes

Grace Landing

Preliminary Fault Study – Waller

Slope Stability & Erosion Control

Civic Core Campus

The Paragon Place – Multi-Center Complex

Swell Testing

Certifications + Accreditations

Frequently Asked Questions

Your Project Success Starts Here