ISTA Engineers
Est. 2017 · Licensed in 18 States
Oxford Hotel at Union Station
Denver, CO · 2025
What we do
Engineering
Engineering
every sector.
From the concrete core of a civic landmark to the light-gauge framing of a mountain residence — ISTA's structural expertise spans the full spectrum of built environments.
Our services
Specialized expertise.
Each service is backed by advanced structural analysis, direct project leadership, and a national record of delivery on the most demanding sites.
01
Structural Inspection
Comprehensive field assessments — post-event investigations to routine due diligence.
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02
ADU Engineering
Permit-ready structural packages for accessory dwelling units across Colorado.
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03
Construction Inspection
Special inspections and QA/QC programs for concrete, steel, and welding.
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04
Drone Inspection
FAA-compliant UAV inspections of roofs, facades, and inaccessible elements.
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05
Walk-Out Basement
Structural design for basement additions — retaining walls and egress framing.
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06
Structural Modification
Wall removals, beam additions, and retrofits in existing buildings.
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07
Foundation Inspection
Settlement, cracking, and drainage assessments with clear remediation guidance.
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08
Light-Gauge Steel Design
Cold-formed steel framing design and shop drawings for commercial construction.
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09
New Deck Design
Custom structural framing and foundation design for durable, safe outdoor living spaces.
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10
New Addition Design
Seamless structural integration for vertical and horizontal home expansions.
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11
New Construction Design
Comprehensive structural engineering for ground-up residential and commercial builds.
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12
Structural Design For Remodeling
Expert structural solutions for complex renovations and space transformations.
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13
Crawl Space to Basement Conversion
Underpinning and foundation engineering to safely expand below-grade living space.
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14
Retaining Wall Design
Engineered earth-retaining structures for slope stability and site grading.
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15
Tenant Improvement
Structural modifications to adapt commercial spaces for new business requirements.
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16
Shop Drawing
Detailed structural fabrication drawings for precise steel and timber manufacturing.
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17
UA/QC
Rigorous quality assurance and control programs to ensure construction compliance.
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Licensed to practice
18+
U.S. States
Alabama
Colorado
Georgia
Iowa
Kentucky
Louisiana
Maryland
Michigan
Nevada
New Jersey
New Mexico
N. Carolina
S. Carolina
Texas
Utah
Virginia
Washington
W. Virginia
Our credentials
Certified where
Certified where
it matters.
ISTA holds multiple federal, state, and national certifications that open doors to public-sector and corporate contracting programs across the nation.
MWBE · SBE · EBE
Three Certifications
Minority Women · Small · Emerging Business Enterprise
Certified with the City and County of Denver for public and private contracting programs — supporting minority, women-led, and emerging businesses.
DBE
State Certification
Disadvantaged Business Enterprise
Certified in Colorado, Texas, and Utah — supporting Dept. of Transportation and public-agency prime and subcontract requirements. Opens access to state and federal infrastructure projects.
WBENC · WOSB
National Certifications
Women's Business Enterprise National Council & Women-Owned Small Business
Dual national certifications recognizing ISTA as a women-led firm, enabling access to federal contracting programs and corporate supplier diversity initiatives nationwide.
EDI Plan — Equity, Diversity & Inclusion Commitment
ISTA's EDI Plan guides how we hire, partner, and deliver — ensuring every project reflects the diversity of the communities we serve.
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Licensed U.S. jurisdictions
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Structures designed & delivered
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Engineering disciplines
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Years of structural practice
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Whether it's a single-family ADU or a federal campus, ISTA brings the same precision and care to every structural challenge.
Speak with our team© ISTA Engineers · 2017 — 2026
(720) 740-4060 · info@istaengineers.com