Bolthole Index

Essex County, Massachusetts

Building permits, zoning and septic rules in the Town of Andover, Massachusetts

The Town of Andover, Massachusetts requires building permits for construction regulated by the State Building Codes; the town Building Division issues building permits and performs related inspections.1 Andover has its own zoning bylaw, and the Andover Board of Health adopts local subsurface sewage-disposal requirements.23 Start with these town offices for a property in Andover, in Essex County.45

At a glance

Building permits
Required for construction regulated by the State Building Codes; issued by the Andover Building Division.1
Zoning
Town zoning bylaw applies; confirm the parcel district and overlays.26
Septic
Andover Board of Health adopts local subsurface sewage-disposal requirements; ask the Health Division for the project requirements.3
Small accessory home
An ADU is allowed conditionally on a lot with a lawful principal dwelling, up to 900 square feet or half the principal dwelling floor area, whichever is smaller.7
Owner-builder
State home-improvement-contractor registration exemption covers people building their own home or personally renovating; building permits still apply.81
Private wells
Massachusetts allows local well site permits; ask the Andover Health Division which approvals your installation needs.95

Who to call

Building permits

Andover Building Division

Building permits, construction inspections and zoning enforcement in Andover.

978-623-8620

[email protected]

Online permits →

Planning & zoning

Andover Planning Division

Planning Board subdivision and site-plan questions; parcel zoning map questions.

978-824-9845

[email protected]

36 Bartlet Street, Andover, MA 01810

Septic permits

Andover Health Division / Board of Health

Local subsurface sewage-disposal requirements and septic, sewer and private-well questions.

978-623-8640

[email protected]

36 Bartlet Street, Andover, MA 01810

Contact details are copied from each office’s official page and were checked against it on October 12, 2026.

Off-grid gear

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

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Do you need a building permit in the Town of Andover, MA?

Andover requires a building permit for construction regulated by the State Building Codes, and the Andover Building Division performs the related inspections.1 Massachusetts makes the state building code applicable within its cities and towns, with local inspectors enforcing the code.10

Doing the work yourself does not remove Andover’s building-permit requirement.1 Massachusetts exempts people building their own home or personally doing renovations from home-improvement-contractor registration under the cited law; that exemption does not establish an exemption from building permits or other licensing requirements.8 Ask the Andover Building Division which homeowner paperwork and contractor credentials your project needs.4

Who issues building permits in the Town of Andover, and how do you apply?

The Andover Building Division is the building-permit office for code-regulated construction inside the town.1 Reach the Building Division at 978-623-8620 or [email protected].4 Andover’s Online Permit Center lets licensed contractors and property owners apply, pay for and receive building, electrical, gas, plumbing, mechanical and select fire permits through ViewPermit.11

Use the town’s Online Permit Center to start the relevant building or trade application.11 For a proposed subdivision, approach the Andover Planning Board instead of treating a building application as subdivision approval: the Planning Board administers Andover’s subdivision rules and submission procedures.12 Contact the Planning Division for help identifying the applicable Planning Board submission.13

Does the Town of Andover have zoning, lot-size rules and setbacks?

Andover has a municipal zoning bylaw, zoning districts and overlay districts; the zoning map is on file with the Planning Board.26 Ask the Andover Planning Division to identify the parcel’s district and overlays before designing a home or dividing land.136 For a proposed ADU, Andover expressly requires compliance with the underlying district’s dimensional requirements, including setbacks and height.7

We could not confirm a parcel-specific minimum lot area, frontage or setback here; request the applicable dimensional table and an interpretation for the proposed lot from the Planning Division.13 Massachusetts prohibits local zoning from regulating the interior area of a single-family residential building, but that protection does not remove state building-code requirements.14 A small floor plan therefore still needs code review by the Andover Building Division.1

How do septic permits and private wells work in the Town of Andover?

The Andover Board of Health adopts local minimum requirements for subsurface sanitary sewage disposal, available for inspection at the town offices.3 Ask the Andover Health Division for the current septic construction application, soil-testing procedure, inspection triggers and applicable local requirements before committing to a house layout.5 We could not confirm Andover’s septic-permit exceptions or general inspection triggers; the Health Division is the place to resolve those questions.5

Andover’s Board of Health page directs sewer-form and sewer-information questions to the town’s Sewer Information Page.5 Ask the Health Division whether the parcel needs a sewer connection or can use septic, and which connection approvals apply.5 Massachusetts requires certification for commercial well diggers and drillers and allows a municipality to require a private-well site permit.9 We could not confirm the operative Andover well-permit triggers; ask the Health Division before hiring a driller.5

Can you live in an RV or tiny home in the Town of Andover?

We could not confirm a general Andover rule authorizing RV occupancy, temporary camping on residential land or a standalone tiny home; ask the Building Division about the specific structure, parcel and intended occupancy before relying on that plan.4 Andover’s zoning bylaw applies inside town, so an unanswered RV question is not permission to live in an RV while building.2

Andover does provide a conditional ADU route on lots with a lawful principal dwelling in districts permitting single-family residences.7 Andover allows one ADU per such lot, with gross floor area limited to 900 square feet or half the principal dwelling’s total gross floor area, whichever is smaller.7 Andover ADUs must meet district setbacks and height requirements and cannot be used as short-term rentals or converted to condominiums.7 Ask about the required ADU application and site-plan review before ordering a small prefabricated unit.7

What are the steps to build a home in the Town of Andover?

  1. Identify the parcel’s zoning district and overlays with the Andover Planning Division, using the map on file with the Planning Board.613
  2. If creating a subdivision, work through the Andover Planning Board’s subdivision procedures before treating the proposed lot as ready for a building application.12
  3. Ask the Andover Health Division to resolve sewage disposal and private-well approvals for the proposed home.395
  4. Submit the applicable building and trade applications through the town’s Online Permit Center.11
  5. Arrange the construction inspections with the Andover Building Division.1
  6. Ask the Building Division what occupancy documentation the project requires; where a certificate of occupancy is required by the state code, the space cannot be occupied before issuance.15

What should you check before buying land in the Town of Andover?

For an Andover parcel, take zoning and subdivision questions to the town’s Planning Division and building-permit questions to the town’s Building Division.13121 Take septic requirements to the Andover Health Division: the local subsurface-disposal requirements are adopted by the town’s Board of Health.35 For a property elsewhere in the county, use the Essex County guide to orient your questions, then identify the municipality responsible for that address; Massachusetts building-code enforcement is local to each city or town.10

Ask the Andover Planning Division which flood-hazard overlays affect the parcel and who must review the proposed work; we could not confirm the operative floodplain-development requirements here.613 Ask the Health Division to settle sewer availability, septic design and well approvals before you decide the parcel can support the proposed home.5

Watch-outs

  • An Andover ADU must share a lot with a lawful principal dwelling and cannot be used as a short-term rental.7
  • We could not confirm permission for RV living or standalone tiny-home occupancy in Andover; ask the Building Division before buying land around either plan.4
  • The Andover certificate-of-occupancy application cited here is for controlled construction projects; ask the Building Division which occupancy documentation your home requires.154

Sources

  1. Building (Town of Andover), quoted and re-checked
  2. Article VIII Zoning Bylaw (Town of Andover), quoted and re-checked
  3. Appendix B Minimum Requirements for the Subsurface Disposal of Sanitary Sewage (Town of Andover), quoted and re-checked
  4. Andover Building Division (andoverma.gov)
  5. Andover Health Division / Board of Health (andoverma.gov)
  6. Section 2 Districts (Town of Andover), quoted and re-checked
  7. Section 7.9 Accessory Dwelling Units (Town of Andover), quoted and re-checked
  8. Massachusetts General Laws, Chapter 142A, Section 14 (Massachusetts statewide rule), quoted and re-checked
  9. Massachusetts General Laws Chapter 21G, Section 20 (Massachusetts statewide rule), quoted and re-checked
  10. Massachusetts General Laws, Chapter 143, Section 3A: Enforcement of state building code (Massachusetts statewide rule), quoted and re-checked
  11. Online Permit Center (Town of Andover), quoted and re-checked
  12. Article XIII Subdivision Rules and Regulations (Town of Andover), quoted and re-checked
  13. Andover Planning Division (andoverma.gov)
  14. General Law - Chapter 40A, Section 3 (Massachusetts statewide rule), quoted and re-checked
  15. Application for Certificate of Use/Occupancy/Re-Occupancy (Town of Andover), quoted and re-checked

Written October 12, 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 Town of Andover

Town of Andover’s own rules

  • Building permitRequired

    Construction inside Andover town regulated by the State Building Codes.

    • The Building Division issues permits for construction regulated by the State Building Codes.
    “The Division issues permits for all construction regulated by the State Building Codes, and performs all related inspections.”
  • InspectionsRequired

    Construction inside Andover town regulated by the State Building Codes.

    • Periodic inspections are required for Certificates of Inspection under State Building Code Table 110.
    “The Building Division issues permits for all types of construction and performs periodic inspections, which are required to obtain Certificates of Inspection under State Building Code, Table 110.”
  • Certificate of occupancyLimited

    Controlled construction projects in Andover subject to 780 CMR.

    • The application is required only for 780 CMR Controlled Construction Projects.
    • Where required by 780 CMR, the space may not be occupied until the certificate is issued.
    “Application for Certificate of Use/Occupancy/Re-Occupancy (Application is required for 780 CMR Controlled Construction Projects only) [...] Where a Certificate of Occupancy is required by 780 CMR, the space may not be occupied until Certificate of Occupancy has been issued.”
  • Local zoningPresent

    Land inside Andover town.

    • The zoning bylaw includes amendments noted in the code.
    “[HISTORY: Adopted by the Town of Andover 5-2-2023 ATM, Art. 35. (This article also repealed former Article VIII, Zoning By-law, adopted 4-24-2001 Annual Town Meeting, Art. 9, as amended.) Amendments noted where applicable.]”
  • Zoning districtsPublished

    Zoning districts inside Andover town.

    • The zoning map is on file with the Planning Board, and the bylaw also establishes overlay districts.
    “For the purposes of this Bylaw, the Town is hereby divided into the types of zoning districts set forth below:”
  • Accessory dwellingsAllowed (with conditions)

    Accessory dwelling units in Andover zoning districts where single-family residences are permitted.

    • Only on lots with a lawful principal dwelling unit.
    • One ADU per lot with a principal dwelling unit or units.
    • Maximum gross floor area is 900 square feet or one-half the principal dwelling's total gross floor area, whichever is smaller.
    • ADUs must comply with underlying district dimensional requirements, including setbacks and height.
    • ADUs may not be used as short-term rentals or converted to condominiums.
    • An additional dedicated off-street parking space is generally required when more than 0.5 miles from a commuter rail station or bus station, subject to the stated Site Plan Review exception.
    • An application must be submitted to the Zoning Board of Appeals or designee under Section 9.4 and Planning Board Site Plan Review rules.

    maximum ADU floor area: <= 900 square feet (Or one-half of principal dwelling gross floor area, whichever is smaller.) · ADUs per lot: 1 · additional parking trigger: > 0.5 mile (Unless Site Plan Review determines sufficient parking exists.)

    “ADUs are limited in gross floor area to 900 square feet or one-half the total gross floor area of the principal dwelling unit or units, whichever is smaller.”
  • Who permits septicLocal

    Subsurface sewage disposal inside Andover town.

    • The requirements are adopted by the Andover Board of Health and the appendix is available for inspection at town offices.
    “[Appendix B, Minimum Requirements for the Subsurface Disposal of Sanitary Sewage, as adopted by the Board of Health of the Town of Andover February 22, 1979, as amended, is on file in the town offices where it is available for inspection.]”
  • Subdividing landRegulated (with conditions)

    Subdivision of land inside Andover town.

    • The Planning Board administers the rules under M.G.L. c. 41, including Form A, Form B, and Form C procedures and applicable submission requirements.
    “Under the authority vested in the Planning Board of the Town of Andover by Section 81Q of Chapter 41 of the General Laws, said Board hereby adopts these Rules and Regulations Governing the Subdivision of Land in the Town of Andover.”
  • Short-term rentalsLimited

    Accessory dwelling units used as short-term rentals inside Andover town.

    • The prohibition applies to ADUs; the opened sources did not establish a general short-term-rental rule for all dwellings.
    “ADUs may not be used as short-term rentals as defined in G.L. c. 64G sec. 1.”
  • Permit processPublished

    Building, electrical, gas, plumbing, mechanical, and select fire permits inside Andover town.

    • Applicants may use the online ViewPermit system.
    • Town computer terminals are available at 36 Bartlet Street during weekdays from 8 a.m. to 3 p.m.
    “The Town of Andover is pleased to offer licensed contractors and property owners the ability to apply, pay for, and receive building, electrical, gas, plumbing, mechanical and select Fire Permits online through ViewPermit, our permitting partner.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Andover or Essex County directly.

  • Owner-builder exemption — Owner-builders performing construction inside Andover town.
  • Minimum dwelling size — Single-family residential districts inside Andover town.
  • Lot coverage — Single Residence A district inside Andover town.
  • Building height — Single Residence A district inside Andover town.
  • Living in an RV — RV occupancy on private land inside Andover town.
8 more unanswered
  • Camping on your land
  • Tiny homes
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Building in a floodplain

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 Town of Andover publishes no rule on the point, not that none exists. Essex County’s page lists the county offices to call.

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