Bolthole Index

Will County, Illinois

Building permits, zoning and septic rules in Braidwood, Illinois

Braidwood, Illinois requires a city building permit before covered construction, alterations and foundation work.1 Braidwood sets zoning inside city limits, while Will County Health Department handles private sewage permits where public sewer is unavailable.23 For a home using private sewage, Braidwood requires the county septic permit before issuing the city building permit.4

At a glance

Building permits
City permit required before covered construction; limited maintenance exemptions1
Zoning
Braidwood zoning districts govern land inside city limits2
Septic permits
Will County Health Department approval before the city building permit where public sewer is unavailable4
Lot size
R-1: 9,600 square feet, subject to legal-lot exceptions; AG: 10 acres56
Owner-builder
Qualifying owners can avoid contractor registration; building permits still apply7
Water and sewer
City utility connections required when the code’s availability conditions are met8

Who to call

Building permits

Braidwood Building Permit Coordinator

City building-permit contact; ask for routing to the zoning officer for zoning and floodplain questions

815-458-2333 Ext. 201

141 W. Main St., Braidwood, Illinois 60408

Septic permits

Will County Health Department — Private Sewage Program (Joliet Main Office)

Private sewage system approval and inspections; private-well questions

815-727-8490

501 Ella Avenue, Joliet, IL 60433

Contact details are copied from each office’s official page and were checked against it on October 11, 2026.

Off-grid gear

Going off-grid in Braidwood means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Braidwood, IL?

Braidwood requires a city building permit before covered construction, alterations, foundation work and additions affecting bearing walls or roofs.1 The city code lists routine minor maintenance and work costing less than $750 as exemptions, but also lists no-fee homeowner maintenance permits that remain required; ask the Building Permit Coordinator which provision covers your exact work.1910

Braidwood’s published fee provisions charge new residential construction and additions $0.80 per square foot and include a nonrefundable $100 administrative fee; request a complete project fee calculation before applying.91 A qualifying owner’s contractor-registration exemption does not remove the building-permit requirement, and people hired by the owner remain contractors.7

Who issues building permits in Braidwood, and who should you call?

Braidwood lists a Building Permit Coordinator at City Hall; use that contact to start a city building-permit application and ask to be connected with the zoning officer for parcel-specific questions.10 Braidwood’s zoning officer, plumbing inspector, electrical inspector or designated city official performs inspections needed to enforce the city’s construction rules.11

For Braidwood construction, the reviewed city code adopts the 2009 International Building Code and International Residential Code with city amendments; ask which editions and amendments apply to a new application.12 Where private sewage is allowed because public sewer is unavailable, Will County Health Department handles the septic permit and inspection, rather than the city building-permit coordinator.313

Does Braidwood have zoning, minimum lot sizes and setbacks?

Braidwood has its own zoning chapter and district-specific development standards inside city limits.2 In Braidwood’s R-1 single-family district, the minimum lot area is 9,600 square feet, with an exception for qualifying legal lots of record created before adoption of the chapter.5 R-1 setbacks are 30 feet from the street right-of-way, 30 feet at the rear and 10 feet on the interior side.14

Braidwood’s AG agriculture district requires 10 acres and a minimum lot width of 300 feet; AG setbacks are 50 feet from the street right-of-way, 50 feet at the rear and 25 feet on the interior side.615 R-1 coverage includes buildings, parking, roadways and other impervious surfaces, capped at 60% of the lot, with 40% retained as landscaped open space.16

How do septic permits and utility connections work inside Braidwood?

Braidwood’s private-sewage provisions require a written Will County Health Department permit before septic construction where public sewer is unavailable, and the county permit must be exhibited before the city issues a building permit.4 Ask the city to confirm that private sewage is allowable on the particular parcel before commissioning a design.3 Braidwood requires at least 12,000 square feet for a system using subsurface soil absorption; that exceeds the ordinary R-1 minimum lot area.175

Braidwood requires qualifying buildings to connect to city water when a main lies in the public right-of-way or easement within 75 feet of the lot line.8 Qualifying properties abutting a public sewer must connect within 90 days after official notice when the sewer is within 100 feet of the property line.8 Notify Will County Health Department before covering underground septic work and when installation is ready for final inspection.13

Can you live in an RV or tiny home on land in Braidwood?

We could not confirm a general Braidwood rule allowing residential RV occupancy, temporary camping, tiny-home occupancy or accessory dwellings; describe the proposed use to the city zoning officer through the Building Permit Coordinator before buying for that purpose.10 Braidwood’s building-permit and zoning requirements still apply to covered construction and district-regulated uses.12

Braidwood’s mobile-home provisions need a city interpretation: the zoning text treats an offsite unit that can be titled as a mobile home allowed only in a mobile-home park, while a separate chapter describes a zoning-enforcement permit for mobile homes on privately owned lots with at least 600 square feet of living area.18 Ask the zoning officer how those provisions apply to the exact unit and parcel before treating a small manufactured dwelling as an approved tiny home.18

What are the steps to building a home in Braidwood?

  1. Ask Braidwood’s zoning officer to verify the parcel’s district and the proposed dwelling use, then fit the site plan to that district’s lot and yard standards.219
  2. Confirm city water and sewer availability; where private sewage is allowed, obtain Will County Health Department’s septic permit before the city building permit.84
  3. Resolve subdivision approval and floodplain-development review where applicable before relying on a building-permit application.2021
  4. Obtain the Braidwood building permit before covered work, arrange required inspections and obtain the zoning officer’s occupancy certificate before using the completed or structurally altered building.11122

For a parcel outside Braidwood city limits, use the Will County guide: the county’s building-permit requirement applies to regulated work outside incorporated municipalities.23

Watch-outs

  • Braidwood’s mobile-home park restriction and separate private-lot mobile-home provisions need clarification from the city zoning officer before purchase.18
  • A Braidwood lot meeting R-1 zoning’s minimum area may still be too small for the city’s subsurface sewage-disposal minimum.517
  • Braidwood requires other applicable federal, state and local approvals before issuing a floodplain-development permit.21
  • We could not confirm general Braidwood RV-living, tiny-home or private-well-permit rules; ask the city zoning officer and Will County Health Department before committing to those plans.1024

Sources

  1. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  2. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  3. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  4. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  5. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  6. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  7. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  8. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  9. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  10. Braidwood Building Permit Coordinator (braidwood.gov)
  11. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  12. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  13. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  14. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  15. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  16. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  17. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  18. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  19. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  20. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  21. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  22. Code of Ordinances City of Braidwood, Illinois (Braidwood), quoted and re-checked
  23. Chapter 150 Will County Building Code, quoted and re-checked
  24. Will County Health Department — Private Sewage Program (Joliet Main Office) (willcountyhealth.org)

Written October 11, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

Answers from the rulebook for Braidwood

Braidwood’s own rules

  • Building permitRequired

    Construction, alteration, foundation work, or additions affecting bearing walls or roofs inside Braidwood city limits.

    • Permit must be secured before the work and applicable fees must be paid.
    • Routine minor maintenance and work costing less than $750 are exempt under Sec. 22-142.
    • A nonrefundable $100 administrative fee is included in permit fees.

    minor-work exemption threshold: < 750 USD (Routine minor maintenance has a separate exemption) · administrative fee: 100 USD (Nonrefundable)

    “unless the owner of the property on which the construction is performed, or his agent, shall have first secured a permit therefor and paid the fees applicable thereto.”
  • Owner-builder exemptionAvailable (with conditions)

    An owner performing work on property the owner will occupy or has occupied continuously inside Braidwood city limits.

    • The exemption is from being treated as a contractor under the contractor-registration article, not an exemption from building permits.
    • The owner must occupy or have occupied the property continuously for at least six months.
    • A person hired by the owner remains a contractor.

    continuous occupancy period: >= 6 months

    “An owner of property may perform work on property that he will occupy or has occupied continuously for a period of at least six months and shall not be considered a contractor as set forth in this article.”
  • Building code adoptedAdopted

    Building construction inside Braidwood city limits.

    • The City adopted the 2009 International Building Code and 2009 International Residential Code, with listed amendments.
    • The City code states the most stringent applicable provision controls unless otherwise determined by the specified city officials.

    International Building Code edition: 2009 (City amendments apply) · International Residential Code edition: 2009 (City amendments apply)

    “The 2009 International Building Code as published by the International Code Counsel, Inc., is hereby adopted as the building code of the city and as amended with the following changes, additions or insertions:”
  • InspectionsRequired

    Building and construction work requiring city enforcement inside Braidwood city limits.

    • The zoning officer, plumbing inspector, electrical inspector, or designated city official makes inspections and tests necessary to enforce the article and applicable ordinances.
    • A city inspection verifies top-of-foundation survey accuracy, and final grading inspection is required before an occupancy permit for covered applications.
    “The zoning officer, plumbing inspector and/or electrical inspector, or other official or employee designated by the city, shall make or cause to be made such inspections as are necessary to see to the enforcement of the provisions of this article”
  • Certificate of occupancyRequired

    Land and buildings erected or structurally altered inside Braidwood city limits.

    • No land or building may be occupied or used until the zoning officer issues a certificate stating compliance with the zoning chapter, building and health laws, and city ordinances.
    • Application is due no later than 10 days after erection or alteration is completed.
    • Fees follow the city building permit fee schedule.

    application deadline: <= 10 days after completion

    “No land shall be occupied or used and no building hereafter erected or structurally altered, shall be occupied or used in whole or in part for any purpose until a certificate is issued by the zoning officer”
  • Local zoningPresent

    Land inside Braidwood city limits.

    • Chapter 23 is the City's zoning chapter and divides the city into districts.
    “This chapter 23 of the Code of Ordinances, "Zoning," is adopted for the purpose of: [...] Dividing the city into districts and restricting and regulating therein the location, construction,”
  • Zoning districtsPublished

    Zoning districts inside Braidwood city limits.

    • The code publishes district-specific regulations and a table of yard requirements.
    • Districts include AG, ER, R-1, RMF, B-1, B-2, and I-1 in the table reviewed.
    “AG 50 50 25 ER 30 35 10 R-1 30 30 10 RMF 30 25 10 B-1 0 30 0 B-2 30 30 15 I-1 50 20 20”
  • Manufactured homesLimited

    Offsite titled units and mobile/manufactured homes inside Braidwood city limits.

    • An offsite unit that can be titled is treated as a mobile home and allowed only in a mobile home park under Sec. 23-15.
    • Separately, Chapter 54 requires a zoning-enforcement permit, zoning and subdivision compliance, and a minimum 600-square-foot living area for a mobile home on a privately owned lot.
    • Floodplain elevation and anchoring rules apply where applicable.

    minimum mobile-home living area: >= 600 square feet

    “Any unit that is built offsite and can be titled will be considered a mobile home and allowed only in a mobile home park.”
  • Who permits septicCounty (with conditions)

    Private sewage disposal systems inside Braidwood city limits where public sanitary sewer is unavailable.

    • The city code assigns the written permit and inspection to the county health department.
    • The county health department may impose additional requirements.
    • The city code defines the county as Will County.
    “Before commencement of construction of a private sewage disposal system the owner shall first obtain a written permit signed by the county health department.”
  • Septic permitRequired

    Construction of a private sewage disposal system inside Braidwood city limits when public sewer is unavailable.

    • The permit must be signed by the county health department before construction begins.
    • The application uses the county health department's form and may require plans, specifications, and other information.
    • A permit and inspection fee is paid to the county health department as required by that department.
    • Braidwood will not issue a building permit until the county permit is obtained and exhibited.
    “No building permit will be issued by the city until such permit is obtained and exhibited to the city.”
  • Septic inspectionRequired

    Private sewage disposal systems inside Braidwood city limits.

    • The applicant must notify the county health department before underground portions are covered and when work is ready for final inspection.
    • The county health department may inspect at any stage.
    • The permit is not effective until installation is completed to the county health department's satisfaction.
    “the applicant for the permit shall notify the county health department when the work is ready for final inspection, and before any underground portions are covered. The inspection shall be made by the county health department.”
  • Off-grid sanitationLimited

    On-site sewage disposal inside Braidwood city limits.

    • Private sewage disposal is required where public sanitary sewer is unavailable under Sec. 86-91.
    • A county health department permit and inspection are required.
    • Subsurface systems require at least 12,000 square feet of lot area.
    • Septic tanks and cesspools may not discharge to a natural outlet.

    minimum lot area for subsurface absorption: >= 12000 square feet

    “No permit shall be issued for any private sewage disposal system employing subsurface soil absorption facilities where the area of the lot is less than 12,000 square feet. No septic tank or cesspool shall be permitted to discharge to any natural outlet.”
  • Mandatory utility hookupConditional

    Buildings inside Braidwood city limits.

    • Potable-water buildings or buildings with sanitary sewer connections must connect to city water when a city water main is in the public right-of-way or easement no more than 75 feet from the lot line.
    • Properties abutting a street, alley, or right-of-way containing a city public sanitary sewer must connect within 90 days after official notice if the sewer is within 100 feet of the property line.
    • If public sewer is unavailable, a private sewage disposal system may be used only under the city's private-sewage rules and county-health-department permit.

    water-main distance threshold: <= 75 feet from lot line · public-sewer distance threshold: <= 100 feet from property line · sewer connection deadline: 90 days after official notice

    “The owner of all houses, buildings or properties used for human occupancy, employment, recreation or other purposes situated within the city [...] is hereby required at his expense to install suitable toilet facilities therein, and to connect such facilities directly with the proper public sewer [...] within 90 days after the date of official notice to do so, provided that the public sewer is within 100 feet of the property line.”
  • Subdividing landRegulated (with conditions)

    Subdivision and replating inside Braidwood city limits.

    • A subdivision plat must be filed with the city for approval.
    • No building permit may issue for a subdivision until the chapter requirements are fully complied with.
    • Plat fees are $750, except $350 for a conforming subdivision of five lots or fewer.
    • Required utility facilities and roadway access must be in place or under construction before an occupancy permit.

    standard subdivision plat fee: 750 USD ($350 for conforming subdivision of five lots or fewer) · small conforming subdivision plat fee: 350 USD (Five lots or fewer)

    “A plat of subdivision meeting the requirements of this chapter shall be filed with the city for approval. The fee for a plat of subdivision shall be $750.00, except for a conforming subdivision of five lots or less when the fee shall be $350.00, which shall be paid at the time of filing.”
  • Driveway accessRequired

    New construction lots and major driveway improvements inside Braidwood city limits.

    • In R-1 and ER districts, the driveway may use gravel, concrete, asphalt, or another concrete-based surface.
    • In other districts, concrete, asphalt, or another concrete-based surface is required.
    • The driveway must have at least a one-foot setback from side lot lines.
    • Driveway locations must appear on the plat of survey submitted with the application.
    • Residential PCC and bituminous thickness/base standards apply.

    side-lot-line setback: >= 1 foot · trigger: new construction or improvements to 50% or more of existing driveway surface area

    “All driveways and approaches in are required to have no less than a one-foot setback from side lot lines”
  • Building in a floodplainRequired

    Development within special flood hazard areas and floodplains inside Braidwood city limits.

    • The city building inspector/zoning officer determines floodplain designation and reviews permits.
    • All required federal, state, and local permits must be received before a floodplain-development permit.
    • Development projects are inspected before, during, and after construction.
    • State DWR review or permits remain required for listed non-delegated categories.
    “Ensuring that any and all required federal, state and local permits are received prior to the issuance of a floodplain development permit.”
  • Permit feesPublished (with conditions)

    City building permits inside Braidwood city limits.

    • New residential construction and additions are charged per square foot.
    • New park models or mobile homes are charged per square foot.
    • Accessory-building, fence, pool, demolition, expired-permit renewal, contractor-change, inspection, and administrative charges apply as stated.
    • Homeowner maintenance permits have no fee but are still required; the no-fee provision does not apply when a contractor performs the work.

    new residential construction/additions fee: 0.8 USD per square foot · park model/mobile home fee: 0.45 USD per square foot · homeowner maintenance permit fee: 0 USD (Permit still required; contractor-performed maintenance is not covered)

    “For all new residential construction and building additions—$0.80 per square foot. (2) For new park models or mobile homes—$0.45 per square foot.”
  • Permit processPublished (with conditions)

    Building permit applications inside Braidwood city limits.

    • The owner applies on city forms.
    • Applications require current and topographical surveys, foundation elevation, setback lines, and building plans.
    • Plans generally require Illinois-licensed architect or structural-engineer certification, with stated detached single-family and two-family exceptions.
    • Plans are reviewed by the zoning officer or designated official; no permit issues until approval.
    • Surface-water collection or diversion must be shown when construction changes flow.
    “The application for building permits shall be made by the owner of property on forms specified by the city and shall be accompanied by a current survey, a topographical survey of the subject property and the adjoining lots, foundation elevation and property setback lines (collectively building plans).”

Rules another office applies inside Braidwood

Braidwood does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Minimum lot sizeSpecified

    AG agriculture district inside Braidwood city limits.

    • The district also requires minimum lot width of 300 feet.
    • The AG section states the district may include the city's extraterritorial zone; this claim applies only to land inside city limits.

    minimum lot area: 10 acres · minimum lot width: 300 feet

    “The minimum lot area is ten acres. The minimum lot width is 300 feet.”
    One more reviewed finding on this topic
    • Specified — R-1 single-family residence district inside Braidwood city limits.
      “The minimum lot area is 9,600 square feet. The minimum frontage is 80 feet. The minimum lot depth is 120 feet.”
  • SetbacksSpecified

    AG agriculture district inside Braidwood city limits.

    • The table identifies street right-of-way, rear, and interior-side setbacks.

    street right-of-way setback: 50 feet · rear setback: 50 feet · interior side setback: 25 feet

    “AG 50 50 25 ER 30 35 10 R-1 30 30 10 RMF 30 25 10”
    One more reviewed finding on this topic
  • Lot coverageSpecified

    R-1 single-family residence district inside Braidwood city limits.

    • The combined ground-floor area includes principal and accessory buildings and uses, parking lots, roadways, and other impervious surfaces.
    • Remaining area must be maintained as landscaped open space.

    maximum lot coverage: <= 60 percent · minimum landscaped open space: >= 40 percent

    “The combined ground floor area occupied by all principal buildings, together with all accessory buildings and uses, including parking lots, roadways and impervious surfaces, shall not exceed 60 percent of the total lot area. The remaining 40 percent of the lot area shall be maintained as landscaped open space.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Braidwood or Will County directly.

  • Minimum dwelling size — R-1 single-family residence district inside Braidwood city limits.
  • Building height — AG agriculture district inside Braidwood city limits.
  • Living in an RV — Long-term or residential recreational-vehicle occupancy on private land inside Braidwood city limits.
  • Camping on your land — Temporary camping on private land inside Braidwood city limits.
  • Tiny homes — Tiny-home occupancy inside Braidwood city limits.
4 more unanswered
  • Accessory dwellings
  • Well permit
  • Agricultural exemption
  • Short-term rentals

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Braidwood publishes no rule on the point, not that none exists. Will County’s page lists the county offices to call.

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