Looking for an ALTA survey in O'Fallon, MO? Describe your project once and up to three licensed land surveyors who work in O'Fallon and St. Charles County get back to you with a quote. It's free and there is no obligation.
O'Fallon is home to about 95,355 people (2024 Census Bureau estimate), a growing community (+4.4% since 2020). With 3,121 people per sq mi, it is a suburban area. Commercial purchases, refinancings and developments here regularly call for ALTA/NSPS surveys on tight closing schedules.
O'Fallon at a glance
- Population (Census Bureau estimate, 2024)
- 95,355 (+4.4% since 2020)
- Rank in Missouri
- 7th of 938 cities and towns
- Land area
- 31 sq mi
- Population density
- 3,121 people per sq mi (suburban)
- Type
- City (O'Fallon city)
- Main county
- St. Charles County
What to check before hiring in O'Fallon
- License: in Missouri, ALTA/NSPS surveys are certified by a Professional Land Surveyor licensed by the state board.
- Documents: share the title commitment and the lender's Table A list with the surveyor to get an accurate quote.
- Price drivers: site size, number of improvements, Table A items and turnaround time.
- Zoning: a zoning report may be requested separately from the survey.
Useful official resources
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NSPS
The national society of professional surveyors.
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NCEES: state licensing boards
Find your state board to check an engineer's or surveyor's license.
Services available in O'Fallon
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ALTA/NSPS Land Title Survey
Survey to the ALTA/NSPS minimum standards with the Table A items requested by the lender or title company.
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ALTA survey update or recertification
Update of an existing ALTA/NSPS survey for a new transaction, lender or title commitment.
Frequently asked questions in O'Fallon
How much does an ALTA survey cost in O'Fallon, MO?
It depends on the site, the improvements and the Table A items requested. Describe the property: surveyors who serve O'Fallon reply with a quote.
How long does an ALTA survey take?
Often two to four weeks, faster with a rush fee. Tell us your closing date in the form.
Can an existing ALTA survey be updated?
Often yes, if it is recent: the surveyor revisits the site and recertifies it to the new parties.
Which licensed land surveyors will contact me?
Up to three independent licensed land surveyors who serve O'Fallon and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.