Build & Design
Lot Due Diligence
The questions to answer before you buy a lot to build on.
Order of operations
Confirm jurisdiction first, then zoning and restrictions, then utilities or septic, then the physical site. Each step can end the project — better to learn early.
Planning a building-site investigation in Monroe
Begin a building-site investigation by writing down the proposed house location, legal access and utility strategy. Separate what is already documented from what you have only been told, and identify the decisions that depend on missing information. Use FEMA flood maps to screen mapped hazards, then have drainage and site constraints evaluated on the ground. Ask Union County Environmental Health about septic requirements where relevant. Confirm permitted uses and development review with the City of Monroe or the authority responsible for the parcel before commissioning a detailed house design. Keep a dated record of the questions you ask and the responses you receive so later discussions refer to the same scope rather than different assumptions.
Turn document checks into decisions
Create a working file containing a survey, title information, soil evaluations and a preliminary site plan. Check that each document identifies the correct property, parties and scope; an example from another transaction is not a substitute for the actual records. For a Monroe address, verify the parcel through Union County records and confirm jurisdiction with the City of Monroe when needed. Direct permit or planning questions to the office with authority over that parcel. Ask what an official record establishes and what still needs professional evaluation. If records conflict, request clarification rather than selecting whichever answer supports your preferred outcome.
Resolve open questions before committing
Before authorizing work, identify who is responsible for design decisions, approvals, materials and inspections. Assign each open item to a person and a next step, with enough time to review the response before applicable contract deadlines. Obtain written estimates for any work or professional services that matter to your plan, and ask what is excluded. Separate required work from optional preferences so a budget change does not silently alter the essential scope. Keep copies of final documents and written decisions, including limitations that remain unresolved. Revisit the plan if the intended use, property condition or available evidence changes; an earlier answer may no longer address the proposal in front of you.
Due-diligence checklist
- 01Jurisdiction and permit authority
- 02Zoning, setbacks, height and lot coverage
- 03Recorded covenants, HOA architectural rules
- 04Water and sewer, or well and septic evaluation
- 05Drainage, slope and soils
- 06FEMA flood mapping
- 07Easements and rights of way
- 08Legal access and driveway permits
- 09Construction access and tree protection
Frequently asked
- How should I verify the proposed scope?
- Ask for documents tied to your actual property and building-site investigation, not a sample package alone. Walk through the intended result with the responsible professional and record exclusions, assumptions and owner-supplied items. Where official approval is needed, confirm the process with the issuing office before ordering materials or scheduling dependent work.
- What should trigger a budget review?
- Revisit the budget when site findings, inspection results, product availability or required approvals change the scope. Request the reason for a change, its price and its effect on dependent tasks in writing. Keep optional upgrades separate from essential corrections so you can make a deliberate decision rather than approving an unexplained total.
- How can I make the final handover useful?
- Arrange a documented review of the completed scope and identify any outstanding items, responsible parties and next steps. Collect relevant approvals, service contacts, warranties and maintenance instructions. Test accessible controls and equipment with the responsible professional present. Clarify how to report a problem and which documents are needed to request follow-up service.
Sources and official resources
Last reviewed October 18, 2026. Official resources change; confirm current details at the source.
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Compare PlacesLast reviewed October 18, 2026 · Monroe Living Editorial