ADU Pass
Springfield
No County portion
Also in: Greene County
ADU Pass helps homeowners in Springfield, No County, Missouri navigate the permit paperwork for building an accessory dwelling unit. This area covers 3 ZIP codes.
Map
ADU details
ADU legality: with-restrictions
This 'no_county' cross-listing inherits Springfield's 2026 Land Development Code outcome. Net effect tracks the Greene County primary entry; the no_county bucket itself imposes no rules.
Cost scenarios
| Scenario | Sq ft | Permit | Build | Total |
|---|---|---|---|---|
| minimum | 150 | $1,700 | $32,250 | $33,950 |
| 600 | 600 | $1,700 | $129,000 | $130,700 |
| midpoint | 525 | $1,700 | $112,875 | $114,575 |
| maximum | 900 | $1,700 | $193,500 | $195,200 |
Fee breakdown (as of 2026-04)
Permitting process
- Resolve county routing first (~1d)
Confirm that the Springfield-addressed parcel sits inside Springfield city limits in Greene County. The 'no_county' bucket has no zoning authority; it exists only as a routing artifact. If the parcel is unincorporated, escalate to Greene County Resource Management. - LDC zoning lookup (~3d)
Pull parcel zoning under the new 2026 Land Development Code at library.municode.com/mo/springfield. Carriage-house provisions in Chapter 36 apply citywide in residential districts subject to lot-size threshold. - Pre-app at 840 Boonville (optional) (~5d)
Visit Building Development Services permit desk at 840 Boonville Ave (7:30am-4pm M-F) or call 417-864-1585 to confirm submittal scope, especially for carriage-house-on-existing-SFR projects spanning Chapter 36 zoning + the building chapter. - Submit through eCity portal under AR2024-02 REVISED (~1d)
Upload application, site plan, floor plan, elevations, and structural drawings through eCity.springfieldmo.gov following AR2024-02 REVISED submittal standards for new and additions to one- and two-family dwellings and accessory structures. - Plan review by Building Development Services (~28d)
Concurrent review by Building, Land Development (zoning), and Springfield Fire Marshal; Public Works for any right-of-way / driveway work; City Utilities for water and electric service if a separate meter is desired. - Issuance and inspections (~75d)
Permit issued through eCity once corrections cleared and fees paid; inspections requested by phone or portal at footing, foundation, framing, rough trades, insulation, drywall, and final. - Certificate of occupancy + LDC affidavit (~5d)
Final inspection by Building Development Services triggers the Certificate of Occupancy. The LDC carriage-house owner-occupancy affidavit is recorded at this point if the lot-size threshold makes either-unit owner-occupancy a condition.
Viability (permitted uses)
- Long-term rental: yes Long-term rental of ADU generally permitted; landlord-tenant law and any city rental-registration ordinance apply. LDC owner-occupancy condition may apply at certain lot-size thresholds.
- Short-term rental: with-restrictions Springfield regulates STRs separately from ADU permitting. Carriage-house owner-occupancy condition can interact with STR rules; verify with Planning & Development before listing.
- Office rental: with-restrictions Detached office rental requires home occupation permit or rezoning under Springfield LDC.
- 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 carriage house explicitly contemplated under Forward SGF housing implementation.
Incentives
- Forward SGF Housing Implementation - context only — Springfield's Forward SGF 2040 plan put political weight behind ADU/carriage-house permitting in 2026 LDC; no monetary grant is attached but the policy posture supports approvals.
Contacts
Staff: Planning & Development (Land Development Code administration) (LDC / Forward SGF Implementation), Springfield Fire Department - Fire Marshal (Fire & Life Safety Plan Review), Greene County Resource Management (Building Regulations + Planning & Zoning (unincorporated parcels)), Springfield City Utilities (Water and Electric meter coordination)
Utilities
- Water: City Utilities of Springfield (Water) · 30d connect · $4,500
- Sewer: City of Springfield Department of Environmental Services / Wastewater · 30d connect · $5,500
- Electric: City Utilities of Springfield (Electric) · 21d connect · $1,800
- Gas: City Utilities of Springfield (Natural Gas) · 30d connect · $1,500
Property values & taxes
Construction timeline
Realistic total: best 7mo · typical 10mo · worst 16mo
Financing
State ADU loans:
Insurance impact
HOA prevalence & preemption
Missouri has no HOA-ADU preemption. Springfield has moderate HOA prevalence (newer subdivisions in Highlandville/Galloway corridor carry covenants).
Regulatory overlays (2)
- tornado-zone — Springfield-Branson metro sits in southwestern Tornado Alley (EF-rating frequencies elevated; 2011 Joplin EF-5 and 2025 Polk County events relevant) · +2% cost
ASCE 7-22 wind design 110 mph baseline; LDC encourages but does not mandate storm shelters in single-family residential. (map) - flood-zone — FEMA SFHA along Wilson's Creek, Jordan Creek, and South Creek inside Springfield city limits · +14d · +5% cost
Finished-floor elevation requirements for parcels inside SFHA; flood insurance required for federally-backed financing. (map)
Technical envelope (climate & building code)
Climate & energy code
Building code
Amendments:
- Amendment
- Amendment
Legal history (timeline)
Current ordinance: Springfield Land Development Code (Chapter 36, Code of Ordinances) - city ordinance; Greene County is the actual county of jurisdiction, adopted 2026-04-06, last amended 2026-04-06
- 2022-10-24 — Forward SGF 2040 comprehensive plan adopted (city-ordinance)
Springfield City Council formally adopted Forward SGF, the city's first comprehensive plan in 25 years; one housing implementation action called for revising Chapter 36 to allow ADUs citywide.
Effect: Created the policy mandate for the new Land Development Code, including accessory-dwelling-unit (carriage house) provisions in single-family districts. - 2025-03-01 — Land Development Code (LDC) draft adoption (first vote) (city-ordinance)
Springfield City Council adopted the proposed LDC consolidating zoning, subdivision, and site-development regulations; testing and structural fixes ran through 2025.
Effect: Set the framework that replaced piecemeal Chapter 36 amendments. ADU / carriage-house language was the most-debated provision (Hosmer dissent on owner-occupancy). - 2026-04-06 — New Community Land Development Code effective (city-ordinance)
City Council adopted the new Community Land Development Code on 2026-04-06, putting the Forward-SGF-driven ADU rules into effect citywide.
Effect: ADUs (carriage houses) now permitted in single-family districts subject to lot size and either-unit owner-occupancy condition; Building Development Services issues permits via eCity portal under AR2024-02 REVISED submittal standards. - 2026-04-30 — Cross-listing data-quality note (other)
Springfield, MO is the seat of Greene County. The 'no_county' bucket entry exists only as a synthetic cross-listing for routing tables that do not carry a county slug.
Effect: No regulatory force; readers should consult the Greene County entry for the authoritative profile.
Known issues (2)
- data-quality (since indefinite) — The 'no_county' bucket is a routing artifact. Springfield, MO is in Greene County only; metro-statistical references occasionally name Christian, Webster, Polk, and Dallas counties but those have no land-use jurisdiction over Springfield city-limit parcels. Use the Greene County entry for the authoritative profile. (source)
- ordinance-fresh (since 2026-04-06) — LDC has been effective only since 2026-04-06; staff interpretation of carriage-house owner-occupancy condition is still settling. Expect the Hosmer-flagged provisions to receive cleanup amendments through 2026. (source)
Missouri state — ADU law and programs
State financing programs
Missouri Housing Development Commission (MHDC), the state housing finance agency under the Department of Economic Development, does not operate an ADU-specific loan or grant product as of 2026-04-26. Construction or rehab of an ADU on a primary residence may be financed indirectly through MHDC's First Place Program (first-time-homebuyer mortgage with below-market rate) or Next Step Program (mortgage paired with a forgivable second of up to 4% of loan amount). Both are mortgage-purchase products and require the property to be the borrower's primary residence; an existing ADU on the property is permitted under standard agency guidelines. MHDC also administers Low-Income Housing Tax Credits, the Affordable Housing Assistance Program (AHAP) tax credit, and federal HOME funds — none of which is a homeowner-facing ADU instrument.
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 Codes
- 65805
- 65808
- 65814
Post Office
- 1442 S Glenstone Ave, 65804
- 1839h E Independence St, 65804
- 500 W Chestnut Expy, 65801