Site plans / States / Vermont

Site plans in Vermont

In Vermont the town approves the site plan, but the state decides most of what goes on it: Act 250 and a state wastewater permit sit on top of nearly every project of size. This page sets out the triggers, the town clock and the rules that change the layout, with the source behind each one.

Last reviewed

Town decision clock
Hearing within 120 days of a complete application; decision within 45 days, or deemed approved on the 46th day [1]
Act 250 commercial trigger
More than 10 acres, or more than 1 acre in a town without both zoning and subdivision bylaws [2]
Act 250 elevation trigger
Any commercial, industrial or residential improvement at or above 2,500 feet [3]
State wastewater permit
Required for nearly every project since July 1, 2007 [4]
Operational stormwater
GP 3-9050 at 0.5 acre of new or redeveloped impervious [5]

The Vermont thesis: five conditions that change the plan

Vermont gives the town the site plan and keeps the hardest questions for the state. Five conditions decide how a Vermont plan is drawn and how long it takes to approve. None of them travels from a neighboring state.

1. Act 250 sits above the town, and its triggers are low. A state land use permit under 10 V.S.A. Chapter 151 is required for commercial or industrial construction on more than 10 acres in a town with both permanent zoning and subdivision bylaws, or on more than 1 acre in a town that lacks both; the Land Use Review Board keeps the list of 1-acre and 10-acre towns [2]. Housing is in at 10 or more units within 5 miles, or 10 or more lots in a subdivision, and any commercial, industrial or residential improvement at or above 2,500 feet elevation is in at any acreage [3]. A jurisdictional opinion from the district coordinator settles whether a project is in or out [3]. In Stowe and Killington, resort-core land sits largely above or near the 2,500-foot line, which makes Act 250 nearly universal for resort-core development there.

2. Criterion 8 changes the drawing itself. An Act 250 project must satisfy ten criteria under 10 V.S.A. 6086(a), and Criterion 8 bars an undue adverse effect on aesthetics, scenic or natural beauty, historic sites and rare or irreplaceable natural areas [6]. Reviewers apply the two-step Quechee analysis. Step one asks whether the project fits its surroundings in context, scale, colors and materials. Step two asks whether an adverse impact is undue: it violates a clear, written community standard, it is offensive or shocking to the average person, or the applicant failed to take generally available mitigating steps [7]. A 2016 Vermont Supreme Court decision confirmed that vantage points from private property count, not only public ones [8]. The layout answer is to cluster buildings to keep open fields and treelines, break up massing under pitched roofs in muted materials, hold vegetated buffers and ridgeline silhouettes, screen parking, loading and mechanicals, and specify shielded, downcast lighting. Lighting cut sheets, a photometric plan and visual simulations from key vantage points are the usual evidence of mitigation.

3. A state wastewater permit applies to nearly every project. Vermont took universal jurisdiction over onsite wastewater and potable water supply effective July 1, 2007: new buildings, subdivisions, changes of use or increased design flow, and failed-system replacements all need a state Wastewater System and Potable Water Supply Permit from the Department of Environmental Conservation [4]. Connection to municipal sewer changes the analysis but does not remove the permit [4]. A Licensed Designer signs the design, and soil testing needs unfrozen ground, so late fall through winter is a dead season for the tests that fix where the building and the parking can go.

4. The town runs on a deemed-approval clock. Once an application is complete, the municipal panel must warn and hold a hearing within 120 days and issue a decision within 45 days after the hearing closes; a missed deadline is deemed approval, effective on the 46th day [1]. A municipal site plan or conditional use permit does not expire unless more than two years pass without action [9].

5. State law sets a housing floor the town bylaw cannot go below. The HOME Act (Act 47 of 2023), codified in 24 V.S.A. 4412, requires towns to allow duplexes wherever single-family homes are allowed, to permit buildings of four or fewer units as a permitted use on the same lot size as one unit in districts served by municipal water and sewer, and to allow at least five units per acre [10]. Affordable developments may add density up to a 40 percent increase, and a town may not require more than one parking space per dwelling on lots served by water and sewer [10]. On a served parcel, the unit count and the parking field in the site data table start from these rules, not from the older bylaw.

Map of the United States with Vermont highlighted
Locator map: Vermont highlighted. State boundaries: U.S. Census Bureau, 2024 Cartographic Boundary Files.
RV park site planning concept
Concept visualization

Approval layers: town, region and state

Under 24 V.S.A. Chapter 117, each town acts through an "appropriate municipal panel" [11]. Site plan review covers layout, access, circulation, parking, landscaping, lighting and screening [11].

LayerBodyWhat it decides
MunicipalDevelopment Review Board, or a Planning Commission plus a Zoning Board of AdjustmentSite plan, conditional use, subdivision, variances, appeals of the Zoning Administrator [11]
MunicipalZoning AdministratorZoning permits and administrative applications [11]
RegionalRegional Planning CommissionsRegional plans and Future Land Use Maps that feed the Act 250 tiers [12]; Criterion 10 tests conformance with them [6]
StateDistrict Environmental Commissions, under the Land Use Review BoardAct 250 land use permits [13]
StateDepartment of Environmental ConservationWastewater and water supply, stormwater, wetlands, shoreland, lake encroachment, storage tanks
StateVTransSection 1111 access and work permits in or affecting the state highway right of way [14]
StateDivision of Fire SafetyConstruction plan review under the 2025 Vermont Fire and Building Safety Code [15]

Municipal decisions are appealed de novo to the Environmental Division of Superior Court under 24 V.S.A. 4471 and 4472 [11]. Vermont has no separate state building department: the Division of Fire Safety code adopts NFPA 101, NFPA 1 and the International Building Code with Vermont amendments, and the state also enforces Commercial Building Energy Standards [15]. Check the town line before you file: Essex Junction separated from the Town of Essex and became a city on July 1, 2022, and each now runs its own planning and zoning [16].

Act 250 in 2026: what Act 181 changed and Act 152 undid

Act 181 of 2024 moved Act 250 toward location-based tiers and replaced the Natural Resources Board with the Land Use Review Board, a full-time, professional five-member board [12]. Act 152 of 2026, signed June 16, 2026, then cut back the expansion [17].

ItemStatus in 2026Source
Tier 1A areasEntirely exempt from Act 250 once approved; the approval process opened January 1, 2026[12]
Tier 1B areasExempt housing and mixed-use projects of 50 or fewer units on 10 acres or less[12]
Interim housing exemptionsExtended by Act 152 through January 1, 2028; some required a jurisdictional opinion request on or before June 30, 2026 and substantial completion by June 30, 2029[18]
Road construction triggerRepealed[19, 17]
Tier 2 and Tier 3 expansionsDeleted, repealed or deferred; related effective dates pushed to January 1, 2028[17]

Outside Tier 1 areas, the nine District Environmental Commissions and the traditional acreage, unit and elevation triggers still govern [12]. Confirm the parcel's tier before the layout is fixed: a Tier 1A designation takes Act 250 off the critical path.

Who prepares and seals what

Work on the planWho seals itRule
Grading and drainage design, stormwater treatment, structural, roadway and utility designLicensed Professional Engineer26 V.S.A. Chapter 20 [20]
Boundary determination, plats, subdivision surveyLicensed Land SurveyorBoard of Land Surveyors rules [21]
Building design above the statutory exemptionsLicensed architect26 V.S.A. Chapter 3 [22]
Wastewater and potable water designLicensed Designer: Class 1 (a PE), Class A, Class B or Class BW10 V.S.A. Chapter 64 [23]
A purely local layout: parking count, landscaping, setbacksNo seal required by Chapter 11724 V.S.A. Chapter 117 [11]

The architect exemptions cover a detached single, two, three or four-family dwelling and its incidental garage or shed, farm buildings, and pre-engineered buildings or buildings whose plans carry another licensed professional's seal [22]. Class A and Class B designers are limited to a design flow of 1,350 gallons per day or less; Class BW adds potable water supplies up to 1,350 gpd for two or more residences, buildings or campgrounds; a Class 1 designer may design any size [23].

A preliminary site plan from Innowave Studio is that local layout, drawn early: building footprints, drive aisles, parking against the bylaw and the HOME Act limit, setbacks, lots, sites or units, amenities and the site data table, arranged with the Criterion 8 moves above. It is preliminary and holds no stamp. Your surveyor supplies the boundary base, your Licensed Designer sites the wastewater system after soil testing, and your engineer of record builds the sealed grading, stormwater, road and utility set on the preliminary layout. For the division of labor, see who prepares a site plan and preliminary vs final site plan; for the roles, see site plan architect and site plan consultant.

Statewide overlays and their thresholds

OverlayTrigger or standardWhat the plan shows
Construction stormwater, CGP 3-90201 acre or more of disturbance; an individual permit for projects concurrently disturbing more than 5 acres or exceeding a 14-day stabilization schedule [24]Limits of disturbance and phasing
Operational stormwater, GP 3-90500.5 acre or more of new or redeveloped impervious, since July 1, 2022 [5]Impervious totals in the site data table
3-acre general permitExisting sites with 3 or more acres of impervious must retrofit; permit deadline October 1, 2028 in the Lake Champlain, Lake Memphremagog and impaired watersheds, October 1, 2038 elsewhere [25]Existing impervious on an acquisition site
WetlandsClass I 100-foot buffer; Class II 50-foot buffer; Class III generally not regulated [26]Wetland lines and buffer offsets
Shoreland Protection ActWithin 250 feet of mean water level on lakes over 10 acres; the first 100 feet is the Lakeside Zone; cleared area capped at 40 percent unless BMPs mitigate [27]Cleared area and the Lakeside Zone
River corridors (Act 121 of 2024)State permitting from January 1, 2028 on rivers with watersheds of 2 square miles or greater; the corridor is the meander belt plus a 50-foot buffer [28]Corridor limits
Ground snow loadA 40 psf statewide minimum roof load; regional ground snow loads rise from the Champlain Valley to the highest peaks, and the town-by-town annex value governs [29]The structural basis the engineer of record designs to

Top jurisdictions

Exact site plan fees are not posted online in several towns. The table gives only the figures that are.

JurisdictionReview bodyProcessPosted fee
BurlingtonSeven-member DRB; Design Advisory Board and Conservation Board adviseRoughly 90 percent of applications handled administratively, about 10 percent go to the DRB; standards in CDO Article 3 [30, 31]Site plan fee at 0.1 percent of construction cost [32]
South BurlingtonSeven-member DRBSketch plan required for all master plans; pre-application in LDR Article 15.B [33]Base plus per-unit, lot or square-foot supplements, with reductions for qualifying affordable housing [34]
WillistonSeven-member DRB; Discretionary Permit under Unified Development Bylaw Chapter 6Pre-filing conference required [35]$5,000 Engineering Service Fee for 1 to 9 lots or units, FY2026 [36]
Rutland CityFive-member DRB plus alternates; hearings generally first and third WednesdaysSite plan upload required; Design Control Districts under LDR adopted November 17, 2025 [37, 38]Additional $155 for DRB review plus $15 per page recording [37]
StoweDRB; Zoning Regulations adopted January 10, 2024Ridgeline and Hillside Overlay District, historic overlay, rural-character architecture with pitched roofs [39]Not stated
KillingtonDRB, re-established in June 2020Review timeframe of up to 90 days; resort-district and PUD zoning [40]Not stated
BrattleboroDRB of 7 members plus up to 3 alternatesDesign Review Committee on the Historic Resource Overlay; regulations updated July 25, 2023 [41]Not stated
BenningtonDRB, first and third TuesdaysTwelve copies of the Development Plan; Design Review Districts [42]Not stated

Stowe's overlay is the sharpest local version of Criterion 8: where overlays conflict, the most restrictive controls, and buildings in districts such as Upper Mountain Road must be "designed in a manner compatible with the area's rural character" [39]. Massing studies and 3D renderings from the road and the valley floor answer that standard before the hearing.

Asset registries for the classes the studio plans

AssetState hookWhat it means for the plan
Campgrounds and RV parksDEC campground permit under the wastewater rules for any lot with 4 or more campsites, or hosting campers more than 12 nights a year [43]; the Department of Health licenses lodging, not campgrounds [44]1 toilet per 10 or fewer dependent sites, within 400 feet; privies and composting toilets allowed [45]. RV site size, density and separation are set locally
Glamping and cabinsThe same DEC permit at 4 or more sites [43]The campsite count against the 4-site trigger [43]
Hotels and lodgingLicensed Lodging Establishment Rule, effective January 1, 2018, under 18 V.S.A. Chapter 85: a license at 3 or more units, or fewer if serving prepared food [46]Unit count in the site data table
Fuel and USTsDEC Storage Tanks Section; UST Rules effective October 26, 2020; retail gasoline tanks are Category One, with construction and operating permits [47]A new operating permit on ownership transfer is $125 per tank plus a $15 recording fee [47]
Car washesCar washes generally will not qualify for an Underground Injection Control permit; discharge goes to a municipal facility under a pretreatment permit, or under a direct discharge permit under 10 V.S.A. 1263 [48]Oil-water separators and no floor drains; stacking and setbacks are set locally
MarinasLake Encroachment Permit under 29 V.S.A. Chapter 11 for docks, walls, boathouses, dredging or fill lakeward of mean water level; appeals within 30 days [49]Unencapsulated polystyrene foam flotation prohibited from July 1, 2024 [49]
Self storage and industrialNo use-specific state license; local site plan, stormwater, wastewater if plumbed, Act 250 above its triggersImpervious totals against the 0.5-acre and 3-acre lines [5, 25]

For the layout standards behind each class, see the campground site plan, glamping site plan, RV park site plan, hotel site plan, gas station site plan, car wash site plan, marina site plan and self storage site plan hubs. The Chaffee County campground with cabins model project shows how campground and cabin rules resize a program in another mountain state, and why so few campgrounds get built covers the demand side.

Timelines and bottlenecks

The statutory town clock is 120 days to a warned hearing and 45 days to a decision [1]. Many boards meet only twice a month: Rutland City generally on the first and third Wednesdays [37], Bennington on the first and third Tuesdays [42]. Each recess for additional information extends the timeline.

The bottlenecks that move a Vermont schedule are state-level:

  • Act 250 jurisdiction and party status. The jurisdictional opinion, and any dispute over who has party status, come before the hearings. Municipal and Act 250 decisions can both be appealed to the Environmental Division, where the trial is de novo.
  • Wastewater soil testing. Soil and percolation testing needs unfrozen ground, so winter is largely dead for it, and it is frequently the critical path.
  • Stormwater review. Construction and operational permits, and especially 3-acre retrofit design, run through DEC review queues.
  • State highway access. Any work in, or affecting drainage reaching, a state highway right of way needs a Section 1111 permit, separate from the local curb cut, and a letter of intent is commonly requested to support local review [14]. Absent unusual circumstances VTrans authorizes one access point per property, developments contributing 75 or more peak-hour trips receive heightened scrutiny, and no deed subdividing land along a state highway may be recorded unless the lots meet Section 1111 standards [14, 50].

Proof points: demand and risk on Vermont sites

  • The 2025-2029 Statewide Housing Needs Assessment finds Vermont needs 24,000 to 36,000 additional year-round homes within five years, against roughly 272,000 existing year-round homes [51].
  • Vermont permitted 2,302 new homes in 2022, well below the 5,000 to 7,000 homes needed annually [52].
  • The July 2023 flooding damaged more than 4,000 homes and 800 businesses and led to more than $200 million in damage to public infrastructure; the Flood Safety Act followed [53, 28].

Those numbers explain the HOME Act floor, the Tier 1 exemptions and the river corridor rules in one picture: the state wants more homes on served land and fewer buildings in the floodway. A site plan that sits on served land outside the river corridor, inside a Tier 1 area where one exists, is drawn with the grain of current Vermont policy.

For the neighboring states, see New York, New Hampshire and Massachusetts, and for the rest of New England Maine. Where a town takes an unsealed concept plan at pre-application is set out in where unsealed site plans are accepted. The full list of covered states is on service areas. To scope a Vermont parcel, start a project.

Frequently asked questions

Does my Vermont project need Act 250?

Yes if it involves commercial or industrial construction on more than 10 acres (more than 1 acre in a town without both zoning and subdivision bylaws), 10 or more housing units within 5 miles, 10 or more lots, or improvements at or above 2,500 feet [2, 3]. A jurisdictional opinion from the district coordinator settles it [3]. A parcel inside an approved Tier 1A area is exempt [12].

Did Act 250 get broader in 2026?

No. Act 152, signed June 16, 2026, repealed the road construction trigger and deleted or deferred the Tier 2 and Tier 3 expansions, with related effective dates pushed to January 1, 2028 [17]. The Tier 1A and Tier 1B growth-area exemptions and the interim housing exemptions are the changes in effect [12, 18].

How long does the town have to decide my site plan?

The panel must warn and hold a hearing within 120 days of a complete application and decide within 45 days of the hearing close. Missing the 45-day deadline is deemed approval, effective on the 46th day [1].

Do I need a state septic permit if I connect to municipal sewer?

You need a Wastewater System and Potable Water Supply Permit for nearly all projects: new buildings, subdivisions, changes of use and increased flow. A municipal connection changes the analysis but does not eliminate the permit [4].

Can an unlicensed drafter prepare a Vermont site plan?

For a purely local layout, yes: Chapter 117 does not require a seal on it [11]. Engineered elements need a PE seal, boundary work a licensed land surveyor, buildings above the exemption thresholds a licensed architect, and wastewater and water design a Licensed Designer [20, 21, 22, 23].

When do I need a Vermont stormwater permit?

The construction permit (CGP 3-9020) applies at 1 acre of disturbance [24]. The operational permit (GP 3-9050) applies at 0.5 acre of new or redeveloped impervious [5]. Existing sites with 3 or more acres of impervious must retrofit under the 3-acre permit [25].

How close can I build to a wetland or lake in Vermont?

Class I wetlands carry a 100-foot buffer and Class II wetlands a 50-foot buffer [26]. Within 250 feet of mean water level on a lake over 10 acres you are in the protected shoreland, where the first 100 feet is the Lakeside Zone [27].

Sources

  1. 1)24 V.S.A. 4464, Hearing and notice requirements; decisions, Vermont General Assembly. Accessed 2026-08-31.
  2. 2)1-acre and 10-acre municipalities, Vermont Land Use Review Board (Act 250). Accessed 2026-08-31.
  3. 3)10 V.S.A. 6001, Act 250 definitions of development and subdivision, Vermont General Assembly. Accessed 2026-08-31.
  4. 4)Wastewater System and Potable Water Supply Program, Vermont Department of Environmental Conservation. Accessed 2026-08-31.
  5. 5)Operational stormwater: half-acre threshold (GP 3-9050), Vermont Department of Environmental Conservation. Accessed 2026-08-31.
  6. 6)10 V.S.A. 6086, Act 250 issuance of permit; criteria, Vermont General Assembly. Accessed 2026-08-31.
  7. 7)Act 250 and adverse aesthetic impacts: Criterion 8 upheld in Quechee Lakes, Open Space VT. Accessed 2026-08-31.
  8. 8)2016 Vermont Supreme Court review: energy and environmental decisions, Dunkiel Saunders (srhlaw.com). Accessed 2026-08-31.
  9. 9)24 V.S.A. 4449, Zoning permit, certificate of occupancy, and municipal land use permit, Vermont General Assembly. Accessed 2026-08-31.
  10. 10)24 V.S.A. 4412, Required provisions and prohibited effects (HOME Act, Act 47 of 2023), Vermont General Assembly. Accessed 2026-08-31.
  11. 11)24 V.S.A. Chapter 117, Municipal and Regional Planning and Development, Vermont General Assembly. Accessed 2026-08-31.
  12. 12)New land use review framework (Act 181), Vermont Land Use Review Board. Accessed 2026-08-31.
  13. 13)Act 250 program, Vermont Land Use Review Board. Accessed 2026-08-31.
  14. 14)Permitting: State Highway Access and Work Permits (Section 1111), Vermont Agency of Transportation. Accessed 2026-08-31.
  15. 15)Vermont Fire and Building Safety Code: codes and standards, Vermont Division of Fire Safety. Accessed 2026-08-31.
  16. 16)Essex Junction celebrates becoming an independent city, VTDigger. Accessed 2026-08-31.
  17. 17)Act 152 of 2026 (S.325), as enacted, Vermont General Assembly. Accessed 2026-08-31.
  18. 18)Interim Act 250 housing exemptions, Vermont Land Use Review Board. Accessed 2026-08-31.
  19. 19)Road construction jurisdiction, Vermont Land Use Review Board. Accessed 2026-08-31.
  20. 20)26 V.S.A. Chapter 20, Professional Engineering, Vermont General Assembly. Accessed 2026-08-31.
  21. 21)Board of Land Surveyors rules, Vermont Office of Professional Regulation. Accessed 2026-08-31.
  22. 22)26 V.S.A. Chapter 3, Architects, Vermont General Assembly. Accessed 2026-08-31.
  23. 23)Wastewater System and Potable Water Supply Program: Licensed Designers (10 V.S.A. Chapter 64), Vermont Department of Environmental Conservation. Accessed 2026-08-31.
  24. 24)Stormwater construction discharge permits (CGP 3-9020), Vermont Department of Environmental Conservation. Accessed 2026-08-31.
  25. 25)3-acre properties (GP 3-9050), Vermont Department of Environmental Conservation. Accessed 2026-08-31.
  26. 26)Vermont Wetland Rules, Vermont Department of Environmental Conservation, Wetlands Program. Accessed 2026-08-31.
  27. 27)Shoreland Protection Act handbook, Vermont Department of Environmental Conservation, Lakes and Ponds. Accessed 2026-08-31.
  28. 28)Flood Safety Act (Act 121 of 2024), Flood Ready Vermont. Accessed 2026-08-31.
  29. 29)Vermont Fire and Building Safety Code, Annex on Ground Snow Loads, Vermont Division of Fire Safety. Accessed 2026-08-31.
  30. 30)The Zoning Review Process, City of Burlington. Accessed 2026-08-31.
  31. 31)Planning Your Project, City of Burlington. Accessed 2026-08-31.
  32. 32)Application Fees, City of Burlington. Accessed 2026-08-31.
  33. 33)Development Review Board, City of South Burlington. Accessed 2026-08-31.
  34. 34)Application Forms and Fees, City of South Burlington. Accessed 2026-08-31.
  35. 35)Town of Williston, Planning and Zoning, Town of Williston. Accessed 2026-08-31.
  36. 36)Planning and Zoning Fees FY 2026, Town of Williston. Accessed 2026-08-31.
  37. 37)Planning and Zoning Department, City of Rutland. Accessed 2026-08-31.
  38. 38)Land Development Regulations, adopted November 17, 2025, City of Rutland. Accessed 2026-08-31.
  39. 39)Town of Stowe Zoning Regulations (2024), with clerk's certificate, Town of Stowe. Accessed 2026-08-31.
  40. 40)Development Review, Town of Killington. Accessed 2026-08-31.
  41. 41)Development Review Board, Town of Brattleboro. Accessed 2026-08-31.
  42. 42)Development Review Board, Town of Bennington. Accessed 2026-08-31.
  43. 43)Permit handbook sheet 3: campgrounds, Vermont Department of Environmental Conservation. Accessed 2026-08-31.
  44. 44)Lodging establishments, Vermont Department of Health, Food and Lodging Program. Accessed 2026-08-31.
  45. 45)Code Vt. R. 12-033-001, Wastewater System and Potable Water Supply Rules, Vermont Agency of Natural Resources (via Cornell LII). Accessed 2026-10-09.
  46. 46)18 V.S.A. Chapter 85, Food and Lodging Establishments, Vermont General Assembly. Accessed 2026-08-31.
  47. 47)UST registration and permitting, Vermont Department of Environmental Conservation, Storage Tanks Section. Accessed 2026-08-31.
  48. 48)Permit handbook sheet 1.2: floor drains and car wash discharges, Vermont Department of Environmental Conservation. Accessed 2026-08-31.
  49. 49)Lake encroachment permitting (29 V.S.A. Chapter 11), Vermont Department of Environmental Conservation, Lakes and Ponds. Accessed 2026-08-31.
  50. 50)19 V.S.A. 1111, Permitted use of the right-of-way, Vermont General Assembly. Accessed 2026-08-31.
  51. 51)2025-2029 Statewide Housing Needs Assessment, Vermont Agency of Commerce and Community Development. Accessed 2026-08-31.
  52. 52)State: Vermont needs 24,000 to 36,000 new homes within five years, Mountain Times. Accessed 2026-08-31.
  53. 53)Bill directing state to begin regulating development in floodplains clears Vermont Senate, VTDigger. Accessed 2026-08-31.

All states and metros

Start a project

Bring us the site. We draw the first plan.

Send the parcel, the program and anything you already have: a survey, a sketch, a zoning letter. The studio returns a preliminary site plan your engineer of record can build on.

Start a project