# Connecticut HB 05507: AN ACT PROMOTING THE DEVELOPMENT OF ACCESSORY DWELLING UNITS.

Connecticut HB 05507, AN ACT PROMOTING THE DEVELOPMENT OF ACCESSORY DWELLING UNITS., is a 2026 Regular Session House bill sponsored by Planning and Development Committee; status failed, last action 2026-04-15 (Tabled for the Calendar, House) (as of 2026-11-01).

- Canonical: https://policyrisk.com/state-bill/CT-HB05507-2026
- As of: 2026-11-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Connecticut HB 05507
- State: Connecticut
- Session: 2026 Regular Session
- Title: AN ACT PROMOTING THE DEVELOPMENT OF ACCESSORY DWELLING UNITS.
- Status: failed
- Chamber: House
- Introduced: 2026-03-05
- Last action: 2026-04-15, Tabled for the Calendar, House
- Sponsor: Planning and Development Committee
- Cosponsors: 5
- Subjects: planning and development
- Touches household money: no
- Roll calls: 2 (0 yes, 0 no in all)
- Economic provisions PRIA read: 0

## Summary

To (1) change statutory references to "accessory apartments" to "accessory dwelling units", (2) repeal a provision allowing municipalities to opt out of allowing accessory dwelling units on residential lots, (3) prohibit the enforcement of certain residential land use restrictions, and (4) require the Commissioner of Housing to establish a program concerning preapproved accessory dwelling units.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Planning and Development Committee
- Cosponsor: Anthony L. Nolan (Democratic), House
- Cosponsor: Aundre Bumgardner (Democratic), House
- Cosponsor: Cristin McCarthy Vahey (Democratic), House
- Cosponsor: Kadeem Roberts (Democratic), House
- Cosponsor: Martha Marx (Democratic), Senate

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2026-04-13 | House | APP Vote Tally Sheet (Joint Favorable) | pass |   |   |   |
| 2026-03-13 | House | PD Vote Tally Sheet (Joint Favorable Substitute) | pass |   |   |   |

## Actions (15)

- 2026-04-15: Tabled for the Calendar, House (House)
- 2026-04-15: No New File by Committee on Appropriations (legislature)
- 2026-04-14: Reported Out of Legislative Commissioners' Office (legislature)
- 2026-04-14: Filed with Legislative Commissioners' Office (legislature)
- 2026-04-13: Joint Favorable (legislature)
- 2026-04-07: Referred by House to Committee on Appropriations (House)
- 2026-03-30: File Number 258 (legislature)
- 2026-03-30: House Calendar Number 214 (House)
- 2026-03-30: Favorable Report, Tabled for the Calendar, House (House)
- 2026-03-30: Reported Out of Legislative Commissioners' Office (legislature)
- 2026-03-23: Referred to Office of Legislative Research and Office of Fiscal Analysis 03/30/26 12:00 PM (legislature)
- 2026-03-16: Filed with Legislative Commissioners' Office (legislature)
- 2026-03-13: Joint Favorable Substitute (legislature)
- 2026-03-06: Public Hearing 03/11 (legislature)
- 2026-03-05: Referred to Joint Committee on Planning and Development (legislature)

## Bill text

- File No. 258, 2026-03-30: [PDF](https://www.cga.ct.gov/2026/FC/PDF/2026HB-05507-R000258-FC.PDF)
- APP Joint Favorable, 2026-03-13: [PDF](https://www.cga.ct.gov/2026/TOB/H/PDF/2026HB-05507-R02-HB.PDF)
- PD Joint Favorable Substitute, 2026-03-13: [PDF](https://www.cga.ct.gov/2026/TOB/H/PDF/2026HB-05507-R01-HB.PDF)
- Raised Bill, 2026-03-05: [PDF](https://www.cga.ct.gov/2026/TOB/H/PDF/2026HB-05507-R00-HB.PDF)
- APP Joint Fav. Rpt: [PDF](https://www.cga.ct.gov/2026/JFR/H/PDF/2026HB-05507-R00APP-JFR.PDF)
- APP Vote Tally Sheet (Joint Favorable): [PDF](https://www.cga.ct.gov/2026/TS/H/PDF/2026HB-05507-R00APP-CV53-TS.PDF)
- Bill Analysis For File Copy 258: [PDF](https://www.cga.ct.gov/2026/BA/PDF/2026HB-05507-R000258-BA.PDF)
- Fiscal Note For File Copy 258: [PDF](https://www.cga.ct.gov/2026/FN/PDF/2026HB-05507-R000258-FN.PDF)
- PD Joint Fav. Rpt: [PDF](https://www.cga.ct.gov/2026/JFR/H/PDF/2026HB-05507-R00PD-JFR.PDF)
- PD Vote Tally Sheet (Joint Favorable Substitute): [PDF](https://www.cga.ct.gov/2026/TS/H/PDF/2026HB-05507-R00PD-CV36-TS.PDF)

## Related bills

- HB 05563: AN ACT CONCERNING VARIOUS CRIMINAL LAW AND CRIMINAL JUSTICE PROPOSALS, CERTIFICATES OF APPROVAL FOR AIRPORTS, HELIPORTS, VERTIPORTS, RESTRICTED LANDING AREAS A… (signed)
- HB 05509: AN ACT CONCERNING JUSTICES OF THE PEACE. (signed)
- HB 05518: AN ACT CONCERNING THE DEPARTMENT OF PUBLIC HEALTH'S RECOMMENDATIONS REGARDING SUBSURFACE SEWAGE ENFORCEMENT OFFICERS, WATER OPERATOR APPRENTICES AND VARIOUS RE… (signed)
- HB 05442: AN ACT CONCERNING THE PROPERTY TAX EXEMPTION FOR AND TAX AGREEMENTS RELATED TO CERTAIN CLASS I RENEWABLE ENERGY SOURCES. (signed)
- HB 05349: AN ACT CONCERNING A POLICE OFFICER TRAINING PROGRAM AND THE ROUNDING OF CERTAIN CASH PURCHASES. (signed)
- HB 05340: AN ACT CONCERNING RENEWABLE POWER GENERATION. (signed)

## Sources
- [File No. 258 (PDF)](https://www.cga.ct.gov/2026/FC/PDF/2026HB-05507-R000258-FC.PDF)
- [APP Joint Favorable (PDF)](https://www.cga.ct.gov/2026/TOB/H/PDF/2026HB-05507-R02-HB.PDF)
- [PD Joint Favorable Substitute (PDF)](https://www.cga.ct.gov/2026/TOB/H/PDF/2026HB-05507-R01-HB.PDF)
- [Raised Bill (PDF)](https://www.cga.ct.gov/2026/TOB/H/PDF/2026HB-05507-R00-HB.PDF)
- [APP Joint Fav. Rpt (PDF)](https://www.cga.ct.gov/2026/JFR/H/PDF/2026HB-05507-R00APP-JFR.PDF)
- [APP Vote Tally Sheet (Joint Favorable) (PDF)](https://www.cga.ct.gov/2026/TS/H/PDF/2026HB-05507-R00APP-CV53-TS.PDF)
- [Bill Analysis For File Copy 258 (PDF)](https://www.cga.ct.gov/2026/BA/PDF/2026HB-05507-R000258-BA.PDF)
- [Fiscal Note For File Copy 258 (PDF)](https://www.cga.ct.gov/2026/FN/PDF/2026HB-05507-R000258-FN.PDF)
- [PD Joint Fav. Rpt (PDF)](https://www.cga.ct.gov/2026/JFR/H/PDF/2026HB-05507-R00PD-JFR.PDF)
- [PD Vote Tally Sheet (Joint Favorable Substitute) (PDF)](https://www.cga.ct.gov/2026/TS/H/PDF/2026HB-05507-R00PD-CV36-TS.PDF)

## Related
- [HB 05563: AN ACT CONCERNING VARIOUS CRIMINAL LAW AND CRIMINAL JUSTICE PROPOSALS, CERTIFIC…](https://policyrisk.com/state-bill/CT-HB05563-2026)
- [HB 05509: AN ACT CONCERNING JUSTICES OF THE PEACE.](https://policyrisk.com/state-bill/CT-HB05509-2026)
- [HB 05518: AN ACT CONCERNING THE DEPARTMENT OF PUBLIC HEALTH'S RECOMMENDATIONS REGARDING S…](https://policyrisk.com/state-bill/CT-HB05518-2026)
- [HB 05442: AN ACT CONCERNING THE PROPERTY TAX EXEMPTION FOR AND TAX AGREEMENTS RELATED TO…](https://policyrisk.com/state-bill/CT-HB05442-2026)
- [HB 05349: AN ACT CONCERNING A POLICE OFFICER TRAINING PROGRAM AND THE ROUNDING OF CERTAIN…](https://policyrisk.com/state-bill/CT-HB05349-2026)
- [HB 05340: AN ACT CONCERNING RENEWABLE POWER GENERATION.](https://policyrisk.com/state-bill/CT-HB05340-2026)
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Source: PRIA, https://policyrisk.com/state-bill/CT-HB05507-2026 (as of 2026-11-01).