Baton Rouge has more historic architecture per square mile than most cities in the South. Beauregard Town, Spanish Town, the Garden District, Old South Baton Rouge, Capitol Lake, and the Beauregard Town Conservation District each have their own character, their own history, and their own rules about what you can do to the outside of your home. If you own a property in any of these areas and you are planning renovation work, the Historic Preservation Commission is going to be involved. And the more you know going in, the less painful the process is going to be. ## Which Historic Districts Are We Talking About The National Register of Historic Places lists several Baton Rouge neighborhoods as historic districts, and the city maintains local conservation overlay districts that trigger review requirements independent of federal listings. The areas that come up most often for homeowners are: - **Beauregard Town** — Baton Rouge's oldest neighborhood, with homes from the 1820s through the early 1900s. Greek Revival, Creole cottage, and Queen Anne styles side by side. - **Spanish Town** — Victorian-era architecture, strong street grid, a mix of single and multi-family homes. - **The Garden District** — Later Victorian and early 20th-century homes, some of the best-preserved streetcar suburb architecture in the city. - **Old South Baton Rouge** — A mix of historic residential areas with significant post-war construction nearby. - **Capitol Lake** — Historic properties associated with the State Capitol grounds. If you are not sure whether your property falls within a designated district, the city's Planning Division can confirm. Start there before you sign any renovation contracts. ## What Gets Regulated Historic preservation review covers any exterior changes to structures in designated districts. The scope of what triggers review varies, but in most cases, anything that changes the appearance of the building's exterior — including window replacement, door changes, siding, roofing, and additions — requires some level of review before a permit is issued. Windows are the most common source of friction. They are the largest visible element of a home's facade, and they are also the thing most homeowners instinctively want to replace when the old ones get stuck, fog up, or let in drafts. The problem is that original wood windows in historic districts are almost never classified as in such poor condition that replacement is the only option. And the Commission knows this. The Standards for Rehabilitation, which are the baseline for historic review nationally and locally, require that original windows be repaired rather than replaced wherever feasible. Replacement is permitted only when the window is beyond reasonable repair — and "beyond reasonable repair" has a specific meaning in preservation standards that is more demanding than most homeowners or contractors assume. ## How the Review Process Works If your project triggers review, you will submit an application to the Historic Preservation Commission that includes documentation of the existing conditions, a description of the proposed work, and supporting materials — usually photographs of what exists and drawings or specifications for what you plan to do. The Commission meets on a regular schedule, and staff review applications before they reach the full commission. Most routine projects are handled at the staff level. More significant changes — major additions, demolition, or work on architecturally significant structures — go to the full commission. Common reasons applications get pushback: - **Replacing original wood windows with vinyl or aluminum**. This is the single most common issue we see. Vinyl replacement windows are almost never approved in historic districts unless there is documented evidence that the original windows are structurally unrepairable. - **Changing window type**. Switching from a double-hung sash to casement windows, or from a six-over-six configuration to a picture window, changes the character of the facade. That is not permitted without a strong justification. - **Altering muntin or sash profiles**. If the original windows have specific profile details, the replacements need to match them. This means matching the depth and shape of the muntins, not just the general appearance from the street. - **Using non-compatible materials**. Aluminum-clad windows, vinyl, and certain composite materials face significant scrutiny. Wood windows with appropriate finishes are almost always the approved path. ## Why Windows Get Flagged First Inspectors and commission staff see a lot of renovation projects. The ones that tend to get the most attention are the visible exterior changes — and windows are the most prominent element of most historic home facades. The reason is straightforward: once an original window is replaced, the change is permanent and visible. You can repaint a wall. You cannot un-replace a window. The Commission is therefore appropriately conservative about window replacement applications, and a homeowner who comes in with a vinyl replacement proposal is going to have a harder conversation than one who comes in with a restoration proposal. This is actually good news for homeowners who want to do the work right. The regulatory framework exists to protect the integrity of historic neighborhoods, and that means there is an established, legitimate path for high-quality window restoration. Working with a contractor who understands the review process and can document the existing conditions and the scope of proposed work makes the application significantly more straightforward. ## What You Can Do Before You Hire Anyone Before you sign a contract with any window contractor in a historic district, do the following: 1. **Confirm your property's designation** with the city's Planning Division. This takes a phone call and is worth doing before you spend money on quotes. 2. **Get a professional assessment of your existing windows** before accepting a replacement quote. A contractor who shows up, looks at your windows for five minutes, and hands you a replacement quote has not done their job. A proper assessment involves opening the sash, checking the condition of the frame and sash, and documenting what is repairable and what is not. 3. **Ask about the review process**. Any contractor working in historic districts should know how the process works. If they don't, find one who does. 4. **Look at what your neighbors have done**. The Commission's approved projects set a precedent. If similar properties on your street have had successful restoration projects, your project has a clear path. ## Tax Credits and Financial Assistance Renovation in historic districts can get expensive, and there are financial tools available that make the economics significantly more favorable. The federal Historic Preservation Tax Credit provides a 20% credit on qualified rehabilitation expenditures for income-producing properties. For primary residences, Louisiana's state Historic Residential Property Tax Credit offers 25% of qualified expenditures, capped at $25,000. These programs can be used together on eligible properties, which means a $10,000 window restoration project might effectively cost $6,000 after credits. The qualification requirements are specific, and the application process takes time, but for homeowners doing comprehensive renovations, the credits are worth pursuing. ## Sashmo and Historic District Projects We work with homeowners in Baton Rouge's historic districts on a regular basis. We understand what the Historic Preservation Commission is looking for, we know how to document existing conditions, and we have experience with the application process. If you are planning renovation work on a historic property and you want to know where your windows stand before you commit to a direction, [request a free quote from Sashmo](/book). For a full list of preservation resources, including the Historic Preservation Commission contact information, tax credit application guides, and a directory of preservation tradespeople in the Baton Rouge area, visit our [Historic Homeowner's Resource Page](/resources).