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Business Details
30 Years
experience
Expert Construction Consulting Services in Armonk, NY
Nasco Construction Services has been delivering expert construction consulting services for over 28 years. Our foundation in practical construction management experience enables us to provide clients with realistic, cost-effective solutions tailored to their specific needs. Our team combines advanced estimating technology with deep industry expertise across all construction disciplines. We specialize in detailed cost estimating, project scheduling, value engineering, and dispute resolution services for projects ranging from small renovations to major infrastructure developments. Our professionals bring decades of combined experience from both design and construction backgrounds, ensuring comprehensive insights at every project stage.

We maintain accountability through transparent processes and reconciliation support with contractors. With a global portfolio spanning educational, medical, governmental, and residential sectors, we adapt our services to meet diverse client requirements. Our accreditations with organizations like AACE and ASPE underscore our commitment to industry excellence. We prioritize client satisfaction through flexible service formats and ongoing communication throughout the project lifecycle. Nasco remains at the forefront of construction consulting by integrating cutting-edge software with time-tested methodologies.
Services
Cost Estimating Project Scheduling Value Engineering Change Order Evaluation Peer Review Expert Witness Services Project Budget Control
Details
  • Year established: 1996
Highlights and features
  • We offer 28 years of specialized construction estimating experience.
  • Our team combines design and construction industry expertise.
  • We utilize advanced estimating and scheduling software.
  • Our services are tailored to meet specific project requirements.
  • We have completed projects across six continents.
Associations and certifications
  • SCA
  • Port Auth
  • WBE
  • AACE
  • ASPE
  • SAVE
Services
Cost Estimating
We prepare detailed construction cost estimates at all design stages using client design documents. Our process incorporates advanced software and industry expertise to ensure accurate budget projections. Services include reconciliation support and format flexibility for different project needs.
Project Scheduling
We develop detailed project schedules using Primavera P6 and Microsoft Project. Our methodology identifies the most efficient construction paths while allowing for contingency planning. We provide ongoing schedule updates and independent reviews throughout the project lifecycle.
Value Engineering
Our team evaluates projects to identify cost-saving alternatives without compromising quality. We participate in value engineering workshops and assess client-proposed solutions. This service helps bring projects back on budget while maintaining functional requirements.
Expert Witness Services
We provide professional testimony in construction-related legal disputes. Our experts deliver independent cost analyses and schedule evaluations to support court cases. This service leverages our extensive industry experience and technical expertise.
Peer Review
We independently evaluate third-party construction estimates and schedules for accuracy. Our review process identifies potential issues and provides adjustment recommendations. This service ensures project budgets and timelines align with industry standards and best practices.
People
Joan Dretler
President/Owner
Joan Dretler leads human resources, sales, and financial decisions at Nasco. Her background in project management consulting enhances Nasco's operational effectiveness and client service delivery.
Edward Hiney
Vice President / Chief Estimator
Ed Hiney brings 40 years of cost estimating expertise across diverse construction sectors. His experience spans project types from infrastructure to high-rise buildings, ensuring comprehensive solutions for complex challenges.
Robert A. Rubinstein
Senior Consultant
Bob Rubinstein offers 40 years of engineering and construction consulting experience. His expertise covers cost estimating, project management, and dispute resolution for major infrastructure and healthcare facilities.
Chris DuPont
Director of Environmental Estimating
Chris DuPont specializes in wastewater and water supply projects with 25 years of New York construction experience. His background includes managing rehabilitation and new construction projects across multiple sectors.
Susan Hyler
Senior Scheduler
Susan Hyler has extensive scheduling expertise using Primavera P6 and Microsoft Project. Her 40-year career includes construction management roles and expert delay analysis for municipal and private clients.
Questions
What construction consulting services do you offer?
We provide cost estimating, project scheduling, value engineering, peer review, and expert witness services for all construction types.
How long has Nasco been in business?
Nasco has delivered construction consulting services for over 28 years with a team having 40+ years of individual industry experience.
What project types do you handle?
We work on educational, medical, governmental, residential, infrastructure, and international projects ranging from $1.7M to $524M in value.
What software do you use?
We utilize Primavera P6, Microsoft Project, Sage Estimating, and Success Estimating software for our consulting services.
Are you accredited by industry organizations?
Yes, we hold accreditations with AACE, ASPE, SAVE, SCA, and Port Authority WBE programs.
How do you ensure estimate accuracy?
Our peer review process and reconciliation services verify estimates while combining technology with 40+ years of team experience.