Viewshed Impact Examples

Viewshed Analysis

Resolving Viewshed Impacts

Verify Solution Effectiveness

Viewshed Impacts & Property Value

Views from Your Home

Mountains, Oceans & Other Landscape Features

Wind Turbines

Historic, Cultural & Archaeological Viewsheds

Scenic Roads

Viewshed Protection Laws

Winning Viewshed Preservation Battles

Some of the Issues We Can Help You Win
(Anywhere in the USA)

Air Pollution & Sprawl


Aquatic Resource Protection

Finding the Best for your Case


Convenience Stores, Gas & Service Stations


Environmental Justice

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ESP: Exposed Soil = Pollution

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Funding the Good Fight

Golf Course Preservation

Golf Courses & Water Quality

Growth Management & Land Use Plans

Historic Resource Threats

Transfer Stations, Incinerators, Recycling, Composting, Sewage Sludge & Other Waste Facilities

Land Preservation

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Making Pollution Laws Work




Politically Oriented Advocacy

Property Value

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Special Exceptions & Conditional Uses

Strategy Analysis
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Transmission Lines

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Scenic Views & Land Development

If you're concerned about how growth may affect views from your home or scenic vistas anywhere in the USA then contact CEDS at 410-654-3021 (call-text) or for an initial no-cost discussion of strategy options.

backyard view

Whether you're concerned about the loss of a pleasant view from your home, a mountaintop or historic building, there are a number of preservation options.  In fact sometimes proposed development and other land use changes even provide opportunities to enhance views.

In this webpage CEDS introduces these options and opportunities in enough detail so you can pursue each on your own.  But if you feel you require professional assistance then please contact CEDS at 410-654-3021 or

Within our nationwide network are landscape architects, historic preservation experts, attorneys and all the other expertise required to assess and implement a visual preservation and enhancement plan.  Besides the free advice offered in this webpage we'd be delighted to answer your questions by phone at no cost, provided research is not required.

Viewshed Impact Examples

Each year CEDS receives a number of requests from folks throughout the U.S. seeking advice on how to prevent a proposed development or some other project from altering the view from their home.  A few also involve a proposal that would place an unsightly structure within view of a mountaintop, a historic building or some other scenic feature.  The most intrusive proposals involve things like landfills, mining operations, cell towers, transmission lines, etc. 

cell tower

But they can also be much smaller in scale, such as replacing the forest behind a home with a parking lot.  Fortunately options are available for resolving viewshed impacts both big and small.  With most the starting point is a viewshed analysis. 

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Viewshed Analysis

Efforts to preserve a treasured view usually begin with an analysis to determine if a proposed activity will be intrusive.  The analysis starts at the observer's location which could be

Whenever possible an easily seen target object, such as a large orange helium-filled balloon, is placed at the location of the potential intrusion.  One then stands at each point of interest and notes whether the object can be seen.  The test should be conducted at those times of year when an intrusion would be most visible such as winter when trees are barren of leaves.  If you lack access to the actual site then see if an adjoining property owner would allow you to place the target on their land.

If a potential intrusion may be visible from a number of locations then a sightline analysis, like that pictured below, can be used to assess the impact.  The analysis will indicate whether hilltops, ridgelines, buildings, trees or other features will mask the intrusion from view.   

view profile

Maps showing land surface elevations, like the USGS topographic sheets, are needed to create the sightline.  Draw a line from each observation point to the intrusion site.  See if any features intercept the line of sight.  Be certain to account for intrusion height and intervening obstructions not shown on maps like trees. 

There are a number of online resources for topographic maps as well as sightline analysis.  Our favorite is at Free The Hills

For high intrusions, like a cell town, transmission line, smokestacks or landfill, CEDS has used large (4' diameter), orange balloons.  We hire a local company to inflate the balloons with helium, then float each to various points from ground level up to the maximum elevation of the potential intrusion.  Observers then see if the balloons are visible from all locations of interest.  Usually this technique is best used at early morning or late evening when winds are minimal.  Ideally, the test is conducted at those times of year when an intrusion would be most visible such as winter when trees are barren of leaves.  If you're dealing with a very tall intrusion then check with the Federal Aviation Administration to ensure you do not exceed restrictions. 

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Resolving Viewshed Impacts

Options for resolving potential viewshed impacts may include:buffer

stepped building

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Verify Solution Effectiveness

If an applicant or regulatory officials propose a solution then verifying effectiveness is vitally important.  For example:

Landscaping, fencing and other visual buffering methods are usually required by project plans.  While most local governments are pretty good at ensuring plan requirements are met at project completion, long term  maintenance is far from guaranteed.  With time maintenance can decline, particularly when a project  becomes less profitable.  It is usually up to local code enforcement agencies to ensure that buffering is maintained.  However, most agencies are severely understaffed.  It is for this reason that CEDS urges clients to execute side agreements giving citizens or a citizen group the power to enforce maintenance requirements.

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Viewshed Impacts & Property Value

LULU stands for Locally Unwanted Land Use and includes landfills, gas stations, and a number of other things none of us wish to have near our home.  Some LULUs can have a significant impact on the value of your home.  Living near a landfill can depress property value by 13% or even more if it's emitting noxious odor.  But if the landfill cannot be seen, heard or smelled from a home then it would have little effect on value, provided the road next to the home doesn't carry a high volume of landfill truck traffic.  Being within 300 feet of commercial uses can reduce home value, but not at a distance of 1,000 feet or greater.  gas stationAnything that reduces the visibility of the LULU from a home should lessen the impact to value.  In many localities, planning officials require fast-food restaurants, convenience stores and other retail establishments to be designed to look more like large homes.  Ample vegetative buffering along with well-shielded lighting is also key to minimizing visual and property value impacts.

What one can see from a home can also have a very positive effect on property value.  One study indicated that an ocean view can increase the value of a home by up to 60%.  While the effect may not be as great, views of mountains or just a natural landscape can also increase property value.  Just being near and within view of parks, forest or other open space can increase property value. 

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Views From Your Home

CEDS receives many calls from folks concerned about placing homes like theirs nearby.  These calls usually involve one of two scenarios:

  1. The rear of a proposed home will face the rear of an existing home.  Residents of the existing home are rightly concerned about the loss of privacy they presently enjoy while on their deck or backyard, and/or

  2. A stand of trees or other dense vegetation will be replaced by homes causing a decline in a natural viewshed along with a decline in the sense of privacy.

backyard view

In both scenarios its usually easy to resolve the intrusion with a vegetated buffer.  If the buffer depth is too shallow to achieve sufficient screening then it could be augmented with a high, solid fence.  If placed mid-depth in the buffer then the fence should be obscured by the planted shrubs and trees.

The most difficult situation is one where the existing home and proposed intrusion are at very different elevations.  In these situations it can be difficult to create a buffer with sufficient height to screen views from the existing home.  But there are always options, the best of which depends upon site-specific conditions.

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mount hoodMountains, Waterways & Other Landscape Features

It can be particularly challenging to preserve views of oceans, bays or other waters as well as that of mountains or other valued landscape features.  The challenge is two-part: preserve views from and of the feature.  The best example is a mountain.  Because it towers over the landscape the mountain can be seen from a vast area and those at the summit can see a vast area as well.  Yet preserving both views is not impossible. 

Let's say you paid a premium for a home with a view of a mountain.  A development proposal involves the construction of a tall building which would block your mountain view.  Most local land use regulations limit building height.  Some of these limits are intended to prevent just such a loss of a scenic view such as those adopted by Portland, OR, Denver, CO and Lake Placid, NY.  All three have enacted ordinances to preserve views from and of mountains.

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Wind Turbines

wind turbinesWhile wind energy is essential to curbing climate-changing greenhouse gases and the other negative effects of fossil fuel energy generation, not every location is suitable.  Our goal must be to guide wind turbines to sites where benefits will be maximized and impacts minimized.  For example, a 2013 study of offshore small to moderately turbines sized (377-449 feet) wind turbines in the United Kingdom determined that:

The authors of the United Kingdom study noted that much larger wind turbines - 613 feet tall - were in production as of 2013.

The National Association of Realtors Field Guide to Wind Farms & Their Effect on Property Values summarized some of the research on the property value effects of wind turbines:

The variability of these findings demonstrates the need for site specific analyses of property value effects.

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Historic-Archaeological Resource Viewsheds

The view from a historic place can be just as important as the building or ground itself.  The same is true for structures or areas of archaeological or cultural significance.  A battlefield is an excellent example. 

Maintaining the site and adjoining lands in the same condition as when the battle took place can be essential to allowing visitors to understand why the conflict occurred at the location as well as why it unfolded in a particular way.  Many modern day battles have been fought over proposals to place big-box stores or other intrusive uses within the viewshed of a historic-archaeological resource. 

antietam battlefield

Government agencies charged with preserving these resources have adopted policies and regulations to accommodate a reasonable amount of growth while preserving viewsheds.  An excellent example is the Antietam Civil War Battlefield Overlay District adopted by Washington County, MD.  The District applies to areas within 1,000 feet of major roads providing battlefield access or any other area that is important to maintaining the viewshed.  Factors regulated within the Overlay District include location and exterior appearance of proposed buildings as well as tree removal.

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Scenic Roadsscenic road

According to Scenic America, 48 states and the District of Columbia have programs to recognize roads with outstanding scenic quality.  Many local governments have also adopted policies and regulations to preserve additional roads they value because of scenic views.  A Corridor Management Plan is essential to the preservation and enhancement of scenic views while maintaining safety and convenience.  If your local government lacks such a program then consider some of the examples described in the next section.

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Viewshed Protection Laws

During our research for this webpage CEDS came across two excellent summaries of viewshed protection laws adopted by various localities throughout the nation:

The Genesee NY Transportation Council has a great factsheet on Protecting Scenic Views.  This factsheet contains the elements that any good viewshed preservation program should cover.  Compare these elements with those contained in your local or state scenic view programs or laws.  If you find either wanting then consider launching a campaign to change the law.  Guidance for achieving this goal can be found in Chapter 41: Changing the Law of our free, 300-page book How To Win Land Development Issues.

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Winning Viewshed Preservation Battles

Three CEDS webpages explain how to win viewshed preservation campaigns as well as any other land use or environment battle:

To discuss strategy options for winning your campaign contact CEDS at 410-654-3021 or  If you feel you lack the time to research strategy options then consider retaining CEDS to conduct an Initial Strategy Analysis.  Most analyses cost between $700 to $1,000 and can be completed within two weeks of receiving a retainer.  For further detail including examples of Analyses visit our Initial Strategy Analysis webpage.

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