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A nearby proposed data center does not, by itself, tell you whether a home will lose value, face higher utility bills, or experience disruptive noise. Those outcomes depend on the project’s approved design and infrastructure, local rules and market conditions, and what is actually audible or visible from the property. Before making an offer, verify the project’s status, examine the plans for utilities and future phases, visit the home in realistic conditions, and compare local sales—not just countywide statistics.
What the available evidence says about home values
There is no reliable universal “data-center effect” that can predict the price of an individual home. A county’s home values or electricity rates do not establish what a particular facility caused, or what a particular nearby property will be worth. Distance, visibility, the facility’s operating characteristics, local supply and demand, and the home’s own attributes all matter.
The National Association of REALTORS® (NAR) reported the following in its 2026 coverage. These figures describe counties or surveyed agents; they are context, not a valuation or forecast for a specific house.
| Finding | What it measures—and what it does not establish |
|---|---|
| 92% of more than 3,200 U.S. counties tracked had no mapped data centers; 1% had 10 or more. | NAR’s county-level distribution analysis. It does not describe facility density or exposure at an individual address. |
| Median home value was $174,500 in counties with no data centers and $431,750 in counties with 10 or more. | NAR’s comparison of counties with different market conditions. The difference does not show that data centers caused the higher values. |
| Residential electricity rates rose 21.4% from 2020 to 2024 in counties with 10 or more data centers, compared with 15.7% in counties with none. | A county-level association reported by NAR, not evidence that a particular facility caused a household’s rate increase. |
| Among agents surveyed, 25% perceived a positive effect and 22% a negative effect on nearby home values; about one-third were unsure. | Agent perceptions reported by NAR, not measured sale-price effects. |
| Among agents surveyed, 26% said nearby residential demand decreased, 27% said it did not change, and 19% reported an increase. | Agent perceptions reported by NAR. They do not predict demand for a particular home. |
| 61% of agents said clients’ concerns involved energy costs, 56% water use, 43% perceived environmental contamination, and 32% changes to the immediate landscape. | Concerns reported by agents to NAR, not verified impacts from data centers. |
In Virginia, the Joint Legislative Audit and Review Commission (JLARC) said its review had not found evidence of a relationship between data centers and property values. That is not proof that a specific project has no effect: the report also described Virginia’s tight Northern Virginia housing market and interview evidence, rather than a causal study of sale prices. NAR chief economist Lawrence Yun likewise cautioned that county figures cannot tell what happens to a home next to a facility.
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For a purchase decision, ask an agent or appraiser to compare similar nearby homes and actual transactions where the sample permits. Account for condition, neighborhood, schools, commute, sale date, inventory, listing time and the property’s own exposure. A broad county average is not a substitute for those local comparables.
What to verify about the proposal and its approvals
First establish exactly what is being proposed and how far it has progressed. A public announcement, land purchase, feasibility study or agreement to sell land is not necessarily approval to build or operate a data center. Approval requirements and agencies differ by jurisdiction, so rely on the records for the location in question.
- Ask the listing agent and local planning staff for the project name, parcel numbers, developer, planning case number and current approval status.
- Read the zoning application, site plan, staff report, hearing notices, meeting minutes, permits and recorded land agreements. Check whether an approval is proposed, under review, granted, conditional, appealed or expired.
- Check the comprehensive plan and zoning rules for the project parcel and nearby land. Find out whether other parcels could support data centers or related infrastructure under existing rules.
- Look for proposed or approved phases, not just the first building shown in a public announcement. Ask what changes could still occur within the approval’s limits.
The City of Page, Arizona, explains in its FAQ that its approved land sale agreement created a feasibility period; it did not approve the data center, zoning, development or utilities. That is an example of why it matters to read the local record, not a rule that determines the status of projects elsewhere.
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Permits may also be divided among agencies. Tennessee’s Department of Environment and Conservation (TDEC) says its environmental permits do not approve a data-center project as a whole; local siting and zoning, noise, grid planning, and water and sewer capacity involve other authorities. Identify the equivalent local and state bodies where you are buying, and ask which decisions each one controls.
What could be noticeable from the home
Do not assess exposure by measuring only the distance to the main building. Use parcel maps, aerial imagery, site drawings and visits to understand the relationship between the home and the full project. Check elevation, sightlines, intervening buildings or trees, and the location of substations, transmission lines, cooling equipment, backup generators, access roads, water works and later phases. An ancillary installation may be closer or more visible than the data-center building itself.
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Noise and operating conditions
Noise deserves an on-site, project-specific check. JLARC’s 2024 Virginia review describes residents’ reports of a persistent low-frequency “drone” or “hum.” Whether sound carries beyond a site depends on factors such as facility design, cooling technology, terrain and nearby buildings.
JLARC reviewed selected noise measurements associated with data centers where residents had complained. The estimated readings ranged from 40 to 59 dBA, but they were not representative of all facilities and measured total sound, not an isolated data-center contribution. JLARC also found that one-third of Virginia data centers were near residential areas; that proximity analysis covered eight localities accounting for nearly all Virginia data centers and should not be generalized to the country.
If you can visit, go at more than one time of day, including a quiet evening or overnight period if practical. Note existing road, rail and mechanical noise so you do not attribute it to a proposed facility. Request any baseline or modeled noise studies and check their measurement locations, operating assumptions, treatment of tonal or low-frequency sound, and comparison with the local standard. Ask the local authority what standards are enforceable and how complaints are handled.
A handheld sound meter can help you record repeatable personal observations, but it cannot identify the source, isolate a facility’s contribution or establish legal compliance. If noise is central to the decision, ask the authority about required studies and consider a qualified acoustical professional.
Power, water and related infrastructure
Ask the electric utility or relevant regulator about new substations and transmission routes, project capacity, construction timing, how costs are allocated and which rate structures apply. The county-level rate comparison above does not establish that a proposed project will raise your bill; the utility’s plans and applicable rate rules are more relevant to that question.
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Ask water and wastewater providers what the project has requested or received approval for: water source and volume, peak demand, cooling method, wastewater discharge, sewer capacity and drought contingencies. Review relevant air, stormwater, wastewater, wetlands, fuel-storage and generator permit records. The answers depend on the particular location and design, including how the facility cools equipment and handles backup power and waste.
Also consider construction routes, lighting, stormwater work and the duration of building activity. The site plan and associated infrastructure documents can show impacts that a rendering of the main building will not.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.A practical due-diligence sequence
- Identify the case. Get the project’s exact name, parcels and planning case number from the listing agent or planning office. Use those details to find official local records.
- Confirm status and scope. Read the latest applications, plans, staff reports, hearing records, approvals and permit conditions. Note what is still conditional or under appeal, and whether later phases are included.
- Map the home’s exposure. Compare the property with the full set of proposed buildings and infrastructure using site drawings, parcel maps, aerial imagery and an in-person visit.
- Check local services and permits. Contact the electric, water and wastewater providers and the agencies responsible for zoning, noise and environmental permits. Ask what has been requested, approved or scheduled, and what decisions remain open.
- Visit and document conditions. Observe sound, view, traffic and outdoor use at different practical times. Treat any meter readings as personal observations, not a compliance test or proof of source.
- Test the market case. Compare similar local sales and current listings, with an agent or appraiser where useful. Ask how the proposed project and its infrastructure are reflected in the available evidence, and how strong that sample is.
- Check the transaction details. Confirm applicable state seller-disclosure requirements, contract terms and contingency options with a qualified local real-estate or legal professional. Requirements are not established by one nationwide rule for every state and transaction.
How to compare two homes or two proposals
Use the same criteria for each alternative. A home farther from a building may still have a closer utility installation or a less favorable sightline; a project that is further along in approvals may offer more certainty but less room for changes.
- Approval certainty: zoning, permits, conditions, appeal status and later phases.
- Proximity and exposure: distance to buildings and ancillary equipment, visibility, terrain and intervening structures.
- Noise: likely sources and hours, study methods, modeled conditions, local limits and complaint process.
- Utilities and environmental conditions: power routes and allocation, water source and demand, cooling, wastewater, stormwater, generators and construction activity.
- Local market evidence: comparable transactions, buyer demand, inventory, time on market and the strength of the sample.
- Personal fit and resale flexibility: quiet enjoyment, outdoor use, view, commute, likely buyer preferences and how long you expect to own the home.
Make the decision around your own tolerance and time horizon. Consider whether you would still want the property if the site becomes more visible, construction lasts longer than expected, or an expansion is later approved. Do not assume that a proposed facility guarantees a price discount, declining value, a higher household bill or a resale penalty.
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