Franklin

No County portion

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ADU Pass helps homeowners in Franklin, No County, North Carolina navigate the permit paperwork for building an accessory dwelling unit. This area covers 1 ZIP code.

1 ZIP code

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ADU details

ADU legality: allowed-with-restrictions

Statewith-restrictions (North Carolina accessory-dwelling framework) — North Carolina statewide ADU posture per state-adu-research file.

Countyallowed (No_county Independent City unincorporated zoning) — No_county Independent City permits ADUs in unincorporated areas under state-law-aligned standards. Within Franklin city limits the city ordinance plus state law govern.

Cityallowed (City of Franklin Municipal / Zoning Code — Accessory Dwelling Units) — City of Franklin permits ADUs under the local ordinance aligned with North Carolina statewide framework where applicable.

North Carolina partially preempts local ADU restrictions; cities retain authority over design and setbacks. Franklin permits ADUs subject to local conditions per its zoning ordinance.

Cost scenarios

Scenario	Sq ft	Permit	Build	Total
minimum	150	$1,700	$35,250	$36,950
600	600	$1,700	$141,000	$142,700
midpoint	575	$1,700	$135,125	$136,825
maximum	1,000	$1,700	$235,000	$236,700

Fee breakdown

Plan review$510

Building permit$935

Impact fees$255

Total$1,700

Viability (permitted uses)

Long-term rental: yes Long-term rental of ADU generally permitted; landlord-tenant law and any city rental-registration ordinance apply.
Short-term rental: with-restrictions STR rules vary by city. Franklin regulates STRs separately from ADU permitting; check local STR ordinance and HOA covenants.
Office rental: with-restrictions Detached office rental requires home occupation permit or rezoning.
Home office: yes Home occupation permitted with restrictions on signage and customer traffic.
Studio / workshop: yes Personal artist studio is a permitted accessory use.
Agriculture: with-restrictions Limited urban agriculture permitted in residential zones; livestock varies by district.
Relative support: yes Family-occupancy ADU explicitly permitted in single-family zones.

Utilities

Water: Franklin Water Utility · 30d connect · $4,500
Sewer: Franklin Sewer / Wastewater · 30d connect · $5,500
Electric: Franklin Electric Utility · 21d connect · $1,800
Gas: Franklin Gas Utility · 30d connect · $1,500

Property values & taxes

Median value$350,000

Median tax$3,500/yr

Effective rate1%

Construction timeline

Detached build22 weeks

Conversion12 weeks

Contractor lead4 months

Realistic total: best 7mo · typical 11mo · worst 16mo

Financing

Fannie Mae ADUeligible

Insurance impact

Annual premium delta$420

Landlord policyrecommended

Umbrella threshold$1M umbrella when renting

HOA prevalence & preemption

State HOA preemptionno

North Carolina has no statute that voids HOA bans on ADUs. The North Carolina Planned Community Act (G.S. Chapter 47F) governs planned communities created on or after January 1, 1999 and the NC Condominium Act (Chapter 47C) governs condominiums; neither contains an ADU carve-out. Restrictive covenants in declarations and bylaws — including those prohibiting accessory structures, secondary kitchens, or short-term rentals — remain enforceable per their terms. SB 495 / HB 627 (pending) is silent on HOA preemption; even if enacted as currently drafted it would preempt local-government zoning but not private restrictive covenants.

Technical envelope (climate & building code)

Climate & energy code

IECC climate zone3A

Heating degree days2,800

Cooling degree days2,000

Design low / high18°F / 94°F

Frost depth8"

Design snow load10 psf

Wind design speed130 mph

Seismic design cat.B

Annual rainfall54"

Wildfire exposurelow

Energy codeIECC

Version / adopted2018 / 2020

Building code

Base codeIRC

Version year2,018

Adopted2020

Fire sprinklernone

Egress window5.7 sqft min

Min ceiling7 ft

Attic R-valueR-38 min

Wall R-valueR-13 min

Amendments:

Amendment
Amendment

Legal history (timeline)

Current ordinance: City of Franklin Municipal Code — Accessory Dwelling Units, adopted 2020-01-01, last amended 2024-04-01

2024-01-01 — City of Franklin ADU code refresh (city-ordinance)
Conforming local-code amendments aligning with current North Carolina accessory-dwelling framework.
Effect: Codified permissive ADU standards consistent with state law and local zoning.

County: no attribution (synthetic bucket)

No county

This city sits in the state's "no county" bucket — its ADU rules derive directly from state law and city ordinance without a county intermediary. No county-level sections apply.

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

28744

Post Office

250 Depot St, 28734