Welch & O'Donoghue Land Surveyors is located in Stafford NY with a second office in Avon NY. We have been servicing the Central New York, Genesee Valley and the Southern Tier since 1987. Welch & O'Donoghue Surveyors offer a complete range of services including: Mortgage Surveys, Construction Stake-Out, Boundary Surveying, Topographic Surveys and Atlas Surveys. We work closely with farmers, residential home owners, contractors and business owners to provide accurate surveys in a timely manner.