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Dock, pier and float rules in Wellesley, Massachusetts

Wellesley, Norfolk County · Bylaws checked 2026-10-03 · Reviewed · 4 cited sections

Allowed with board review

Wellesley has no dock or harbor bylaw, but a dock, pier or float on a pond or stream is regulated under the town's Wetlands Protection Bylaw: its regulations list docks, pilings and floats as obstructions in water, so you need a permit from the Wetlands Protection Committee before installing one. No local size limits were found; state Chapter 91 licensing may also apply on great ponds such as Lake Waban.

Local dock bylawNone found; docks fall under the Wetlands Protection Bylaw [1]
Docks and floatsListed as 'obstructions or objects in water' in the wetlands regulations [2]
Pilings or placing objects in waterCounts as altering a resource area (permit needed) [3]
Approving bodyWetlands Protection Committee, after a public hearing [1]
Performance standardWork in water bodies can't impair water-carrying capacity, water quality, fish and wildlife habitat, or recreation [4]

The wetlands regulations we reviewed are dated May 2017; a 2024 revision was circulated for review, so confirm with the Natural Resources Commission which version is in force.

No dock bylaw, but wetlands rules apply

Wellesley is an inland town and its bylaws have no dock, pier, mooring or harbor provisions. Instead, the Wetlands Protection Bylaw (Town Bylaws Article 44) says no one may remove, fill, dredge, build upon or alter lakes, ponds, rivers, streams, the land under them, their banks, or land within 100 ft of them without the Wetlands Protection Committee's permission [1].

Why a dock needs a permit

The Committee's regulations define "obstruction or objects in water" to include docks, bulkheads, pilings, slips and floats [2], and list driving pilings, erecting structures of any kind, and placing obstructions or objects in water as examples of altering a resource area [3]. So installing a dock, pier or float, seasonal or permanent, requires a permit (or at least a determination) from the Committee. Any work in a water body must not impair its water-carrying capacity, surface and groundwater quality, fish habitat, wildlife habitat or recreation value [4].

No local size limits found

The local sources we reviewed don't set dock size, length or seasonal-removal standards; the Committee reviews each project against its performance standards and can impose conditions. Work on the shore is also subject to the 25-ft No Disturbance Zone in the regulations, so access paths and landings may need a waiver.

State and federal approvals

Lake Waban and Morses Pond may be great ponds, where state Chapter 91 waterways licensing applies to docks of any size; see the state rules on this page.

See how Wellesley compares with 8+ other Massachusetts towns on docks, piers & floats →

Next steps

  1. Contact the Wellesley Natural Resources Commission / Wetlands Protection Committee staff to discuss the dock before designing it.
  2. File a Notice of Intent (or a Request for Determination of Applicability for very minor work) with plans showing the dock, pilings or floats and the shoreline resource areas.
  3. Notify abutters within 300 ft by certified mail and attend the Committee's public hearing.
  4. Check with MassDEP whether a Chapter 91 license is required for your pond, and record any permit at the Norfolk Registry of Deeds before building.

Common questions

Do I need a permit for a dock in Wellesley, Massachusetts?
Yes. Docks, pilings and floats are listed as obstructions in water in the wetlands regulations, so you need a permit from the Wetlands Protection Committee before installing one.
Does Wellesley, Massachusetts have a dock bylaw?
No dock or harbor bylaw was found. Docks fall under the Wetlands Protection Bylaw.
Are there size limits for docks in Wellesley, Massachusetts?
No local size limits were found. State Chapter 91 licensing may also apply on great ponds such as Lake Waban.
What standards apply to docks in Wellesley, Massachusetts?
Work in water bodies can't impair water-carrying capacity, water quality, fish and wildlife habitat, or recreation. The Committee approves after a public hearing.

Massachusetts state rules for docks and piers

A private dock in Massachusetts usually needs several layers of approval beyond local zoning.

  • Chapter 91 waterways license (MassDEP): any structure, regardless of size, permanent or seasonal, in tidal waters, in a great pond (a pond over 10 acres in its natural state), or in certain navigable rivers needs Chapter 91 authorization (M.G.L. c. 91; 310 CMR 9.00). For small residential docks there are simpler routes:

    • a General License certification for pile-supported residential docks, piers, ramps and floats with no fill or dredging, outside ACECs and Designated Port Areas (310 CMR 9.29)
    • a Simplified License for residential docks up to 600 sq ft below the high-water line (310 CMR 9.10)

    Licenses must be recorded at the Registry of Deeds, and Chapter 91 protects public rights to fish, fowl and navigate.

  • Conservation Commission: dock work in or near wetlands, banks or land under water needs an Order of Conditions under the Wetlands Protection Act (c. 131, §40).

  • Harbormaster: bottom-anchored moorings, floats and rafts (no pilings) can be authorized by an annual permit from the local harbormaster instead of a Chapter 91 license (c. 91, §10A). Mooring fees can't discriminate based on residence.

  • U.S. Army Corps of Engineers: work in navigable waters may also need federal approval. Small private piers and floats are often covered by the Corps' Massachusetts General Permits, which can involve self-verification or pre-construction notification.

State sources: MassDEP, Chapter 91: The Massachusetts Public Waterfront Act · M.G.L. c. 91, §10A (harbormaster mooring permits) · M.G.L. c. 91, §18C (General License for residential structures) · 310 CMR 9.10, Simplified procedures for small residential structures (LII) · 310 CMR 9.29, General License certification (LII) · M.G.L. c. 131, §40 (Wetlands Protection Act) · USACE New England District, Massachusetts General Permit

What the bylaw says

Exact text from Wellesley's published bylaws. Section numbers are as printed in the source.

  1. Town Bylaws Art. 44.2 Jurisdiction, Town Bylaws Article 44 - Wetlands Protection, p. 1
    44.2. Jurisdiction. Except as permitted by the Wetlands Protection Committee or as provided in this bylaw, no person shall remove, fill, dredge, build upon, or alter any of the following resource areas; marshes; wet meadows; bogs; swamps; banks; reservoirs; lakes; ponds; rivers; streams; creeks; lands under reservoirs, lakes, ponds, rivers, creeks or streams;
  2. Wetlands Protection Regulations Sec. 1.5 Definitions, Wetlands Protection Regulations (effective May 4, 2017), p. 10
    Obstruction or Objects in water mean, but are not limited to, dams, weirs, sluice gates, docks, bulkheads, pilings, slips, floats, or cofferdams.
  3. Wetlands Protection Regulations Sec. 1.5 Definitions, 'Alter', Wetlands Protection Regulations (effective May 4, 2017), p. 8
    (d) driving pilings or erecting buildings or structures of any kind; (e) placing obstructions or objects in water;
  4. Wetlands Protection Regulations Sec. 2.2(4)(a)1, Wetlands Protection Regulations (effective May 4, 2017), p. 36
    1. Activities proposed within Water Bodies and Waterways shall not impair: a. the water carrying capacity of the defined channel or basin; b. the surface water and groundwater quality;
This page summarizes Wellesley's posted bylaws as of 2026-10-03. Bylaws are amended, and individual lots can have overlays, subdivision covenants, or HOA rules that are stricter. Confirm with Building Department (Inspector of Buildings / Zoning Enforcement), 888 Worcester Street, Suite 160 (781-431-1019 (Inspector of Buildings direct 781-489-7452)) before you build. Spot an error?