ADU Pass
Barrington
ADU Pass helps homeowners in Barrington, Bristol County, Rhode Island navigate the permit paperwork for building an accessory dwelling unit. This area covers 1 ZIP code.
Map
ADU details
ADU legality: allowed
After the 2025-07-28 lot-size repeal, Barrington is broadly aligned with H 7062. Interior conversions are by-right; detached units still route through special-use review, which adds public-hearing time even though the underlying allowance is mandatory.
Cost scenarios
| Scenario | Sq ft | Permit | Build | Total |
|---|---|---|---|---|
| minimum | 150 | $2,600 | $46,950 | $49,550 |
| 600 | 600 | $2,600 | $187,800 | $190,400 |
| midpoint | 675 | $2,600 | $211,275 | $213,875 |
| maximum | 1,200 | $2,600 | $375,600 | $378,200 |
Fee breakdown (as of 2026-04)
Permitting process
Viability (permitted uses)
- Long-term rental: yes Long-term rental of an ADU is the explicitly contemplated use under both H 7062 and Chapter 185 Article XXII.
- Short-term rental: with-restrictions Barrington Code Chapter 185 regulates short-term residential rentals separately from ADU permitting (see ecode360.com/39131507). Owner-occupancy requirement under H 7062 applies to the principal dwelling, which constrains the absentee-investor STR pattern.
- Office rental: with-restrictions Detached commercial office rental in a residential zone requires home occupation review or rezoning.
- Home office: yes Home occupations are permitted accessory uses subject to Chapter 185 home-occupation standards (no exterior signage, customer-traffic limits).
- Studio / workshop: yes Owner-use artist studio is a permitted accessory use.
- Agriculture: with-restrictions Limited urban agriculture permitted in residential zones; livestock keeping varies by zoning district.
- Relative support: yes Family-occupancy ADU explicitly contemplated; pre-2025 Barrington ordinance treated family-occupancy as one of three pre-existing pathways.
Incentives
Contacts
Utilities
- Water: Bristol County Water Authority (BCWA) · 21d connect · $4,500
Chapter 185 Article XXII explicitly requires the accessory apartment to be connected to BCWA service when accessible. Wholesale water source: Providence Water via Pawtucket interconnection. - Sewer: Town of Barrington Sewer Authority · 21d connect · $5,500
Barrington operates its own municipal sewer system; Article XXII requires the ADU to be connected to the Town sewer where available. - Electric: Rhode Island Energy (PPL Corporation, formerly National Grid Rhode Island) · 14d connect · $1,800
- Gas: Rhode Island Energy (gas division) · 21d connect · $1,500
Property values & taxes
Construction timeline
Realistic total: best 8mo · typical 12mo · worst 18mo
East Bay RI labor market is shallow; reserved-skill trades (insulation contractors, lift operators for narrow lots) frequently have multi-week lead times.
Modular pathway inspectors are occasional with modular
Financing
State ADU loans:
Insurance impact
HOA prevalence & preemption
HOA penetration in Barrington is low — the housing stock is predominantly fee-simple single-family without common-interest community structures. R.I.G.L. § 45-24-73 voids private-covenant ADU restrictions that conflict with the statewide design standards.
Regulatory overlays (3)
- flood-zone
Barrington has substantial FEMA Special Flood Hazard Areas along Narragansett Bay frontage (Hampden Meadows, Bay Spring, Rumstick Point). SFHA parcels require elevation certificates and flood-resistant construction per IBC/IRC Appendix G. - coastal-commission
Coastal Resources Management Council (CRMC) jurisdiction applies to parcels within 200 feet of the coastal feature. ADUs on coastal-feature parcels require CRMC Assent in addition to local building permit. - historic-district
Barrington has designated historic resources (Maxwell House, Tyler Point, town center) that trigger Historic District Commission review for visible exterior alterations.
Technical envelope (climate & building code)
Climate & energy code
Building code
Amendments:
- Amendment
- Amendment
Legal history (timeline)
Current ordinance: Barrington Code Chapter 185 (Zoning), Article XXII — Accessory Dwelling Units, adopted 2024-09-01, last amended 2025-07-28
- 2024-06-25 — Rhode Island H 7062 / S 2998 signed by Governor McKee (state-law)
Statewide ADU enabling act amending R.I.G.L. § 45-24-37; mandates by-right ADU permitting on owner-occupied 1-3 family residential parcels and limits municipal setback authority.
Effect: Preempted Barrington's then-existing income-restriction-only pathway for new ADU applications. - 2025-07-28 — Barrington Town Council removes 20,000 sq ft lot-size minimum for ADUs (city-ordinance)
Unanimous council vote eliminating the lot-area floor that had previously made roughly 72% of Barrington parcels ineligible for a detached ADU. Councilor Kate Berard cited the 28% eligibility figure in council debate.
Effect: Opened detached-ADU pathway to the majority of Barrington single-family parcels; interior-accessory pathway remains by-right with no lot-size gate.
Known issues (1)
- policy-review — Barrington local code text still contains older income-restriction and 30-year-monitoring language for accessory apartments. While preempted by H 7062 for new applications, the un-cleaned-up text causes occasional applicant confusion. Confirm current administrative interpretation with Building & Zoning before relying on the statutory preemption.
Rhode Island state — ADU law and programs
State ADU law
Rhode Island enacted statewide ADU preemption in 2024 through H 7062 (chief sponsor Rep. June Speakman and colleagues; co-sponsored in the Senate as S 2710), which amended the Zoning Enabling Act (Title 45, Chapter 24). Municipalities must permit ADUs by-right on any lot containing a single-family dwelling, subject only to uniform minimum standards set by the statute. One of the most ADU-friendly state statutes in the country as of 2025.
- R.I.G.L. § 45-24-73 — Design standards required for accessory dwelling units; Consistent statewide treatment of accessory dwelling units required — Core ADU standards added by H 7062 (2024). Requires municipalities to permit ADUs by-right. Caps 1-bedroom and studio ADUs at 900 sqft or 60% of the principal dwelling's floor area, whichever is less. Caps 2-bedroom ADUs at 1,200 sqft or 60%, whichever is less. Prohibits owner-occupancy requirements. Caps additional parking at 1 off-street space per bedroom. Prohibits ADU-specific impact fees. Voids HOA, condominium, and similar private-covenant restrictions that conflict with the statute as against public policy.
- H 7062 (2024 RI General Assembly) — An Act Relating to Housing — Accessory Dwelling Units — The enacting bill. Also cited by municipalities adopting conforming ordinances (Providence 2024 Chapter 3584, East Providence 2024 ADU Ordinance, South Kingstown 2024-07-12 regulations).
State HOA preemption
R.I.G.L. § 45-24-73 explicitly voids homeowners' association, condominium association, or similar private-covenant restrictions on ADUs when those restrictions conflict with the statute's ADU minimums. The preemption is framed as a public-policy void, meaning the offending covenant is unenforceable rather than simply regulated. Pre-existing ADU-friendly covenants remain valid (the statute only void conflicting restrictions). Applies to all common-interest communities governed by the Rhode Island Condominium Act (R.I.G.L. Title 34, Chapter 36) and Rhode Island Condominium Ownership Act (Title 34, Chapter 36.1), as well as HOAs in planned-community subdivisions.
- R.I.G.L. § 45-24-73 (HOA preemption clause added by H 7062 (2024)) — Provides that private covenant restrictions imposed by condominium associations, homeowners' associations, or similar residential property governing bodies that conflict with the ADU provisions are void as against public policy. Drafted broadly — covers declarations, bylaws, rules and regulations, and recorded covenants.
State financing programs
RIHousing, the state's housing finance agency, operates an ADU financing program built around the FHA 203(k) loan product. Covers attached and interior ADUs for both purchase and refinance. Detached ADUs are NOT eligible. Requires mandatory homebuyer education, use of an FHA-approved 203(k) consultant, and a RI licensed and insured contractor. No state-specific grant program for ADUs is in effect as of 2026-04-21; the federal 203(k) rails are the production vehicle.
State housing programs
Rhode Island does not currently operate a single statewide pre-approved-ADU-plan catalog (as California's CalHFA and Washington's Commerce plan libraries). Implementation of the 2024 ADU law is happening municipality-by-municipality, with the Executive Office of Housing (EOH) coordinating technical assistance. Providence published a citywide ADU Guide (February 2025) as the leading model; East Providence adopted a conforming ordinance in 2024; South Kingstown published regulations in 2024. RIHousing runs the ADU financing side (see stateFinancing).
Federal (United States) — ADU-relevant rules and programs
Federal ADU law
The United States has no federal statute that directly regulates accessory dwelling unit entitlement or design. Land-use authority over ADUs resides with states and local governments under the traditional police power. Federal engagement is limited to financing (Fannie/Freddie/FHA/VA/USDA), flood insurance (FEMA/NFIP), and discretionary housing programs (HUD), which are recorded in sibling sections of this file.
Federal financing programs
Federal housing-finance agencies and GSEs set nationwide underwriting rules that govern whether an ADU can be financed, appraised, and counted toward mortgage qualifying income. The relevant actors are Fannie Mae, Freddie Mac, FHA (HUD), VA, and USDA Rural Development.
Federal tax credits
There is no ADU-specific federal tax credit. ADUs may incidentally qualify for existing federal energy-efficiency and clean-energy tax credits when the ADU construction includes qualifying measures.
Federal housing programs
HUD administers several discretionary programs that can fund ADU-related activity at the grantee's election, but none is an ADU-specific program.
ZIP Code
- 02806
Post Office
- 200 Middle Hwy, 02806