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Supporting Upgraded Property Projects and Lending for Yards (SUPPLY) Act
To amend the National Housing Act to direct the Secretary of Housing and Urban Development to establish a program to insure certain second liens secured against property for the purpose of financing the construction of an accessory dwelling unit, and for other purposes.
Summary
This bill directs the Department of Housing and Urban Development to establish a federal insurance program for second mortgages used to finance the construction of accessory dwelling units (ADUs) on single-family properties. Insured loans would be capped at 30 percent of the standard FHA mortgage limit or, when combined with other property loans, at 100 percent of the projected property value after ADU construction, with increases possible based on projected rental income. The bill defines eligible ADUs as modular, prefabricated, manufactured, or converted structures that include kitchen, sleeping, and bathroom facilities. The Federal Housing Finance Agency would be authorized to allow Fannie Mae and Freddie Mac to purchase and securitize these insured loans, creating a secondary market for ADU financing, with an annual insurance premium capped at 1 percent of the loan amount.
AI-generated plain-language summary of the bill text — neutral, and may be imperfect. See the full text below for the exact wording.
Sponsor (1)
46 cosponsors
- Rep. Ansari, Yassamin [D-AZ-3] (D-AZ)
- Rep. Barragán, Nanette Diaz [D-CA-44] (D-CA)
- Rep. Beatty, Joyce [D-OH-3] (D-OH)
- Rep. Beyer, Donald S. [D-VA-8] (D-VA)
- Rep. Carbajal, Salud O. [D-CA-24] (D-CA)
- Rep. Cisneros, Gilbert Ray [D-CA-31] (D-CA)
- Rep. Cleaver, Emanuel [D-MO-5] (D-MO)
- Rep. Costa, Jim [D-CA-21] (D-CA)
- Rep. Elfreth, Sarah [D-MD-3] (D-MD)
- Rep. Fields, Cleo [D-LA-6] (D-LA)
- Rep. Fitzpatrick, Brian K. [R-PA-1] (R-PA)
- Rep. Foster, Bill [D-IL-11] (D-IL)
- Rep. Garamendi, John [D-CA-8] (D-CA)
- Rep. Garbarino, Andrew R. [R-NY-2] (R-NY)
- Rep. Garcia, Robert [D-CA-42] (D-CA)
- Rep. Gillen, Laura [D-NY-4] (D-NY)
- Rep. Goodlander, Maggie [D-NH-2] (D-NH)
- Rep. Gray, Adam [D-CA-13] (D-CA)
- Rep. Harder, Josh [D-CA-9] (D-CA)
- Rep. Kiley, Kevin [R-CA-3] (R-CA)
- Rep. Kim, Young [R-CA-40] (R-CA)
- Rep. Latimer, George [D-NY-16] (D-NY)
- Rep. Lawler, Michael [R-NY-17] (R-NY)
- Rep. Lee, Susie [D-NV-3] (D-NV)
- Rep. Lucas, Frank D. [R-OK-3] (R-OK)
- Rep. McBride, Sarah [D-DE-At Large] (D-DE)
- Rep. McDonald Rivet, Kristen [D-MI-8] (D-MI)
- Rep. Meeks, Gregory W. [D-NY-5] (D-NY)
- Rep. Min, Dave [D-CA-47] (D-CA)
- Rep. Nunn, Zachary [R-IA-3] (R-IA)
- Rep. Panetta, Jimmy [D-CA-19] (D-CA)
- Rep. Peters, Scott H. [D-CA-50] (D-CA)
- Rep. Riley, Josh [D-NY-19] (D-NY)
- Rep. Ruiz, Raul [D-CA-25] (D-CA)
- Rep. Salazar, Maria Elvira [R-FL-27] (R-FL)
- Rep. Salinas, Andrea [D-OR-6] (D-OR)
- Rep. Schneider, Bradley Scott [D-IL-10] (D-IL)
- Rep. Sherman, Brad [D-CA-32] (D-CA)
- Rep. Soto, Darren [D-FL-9] (D-FL)
- Rep. Stanton, Greg [D-AZ-4] (D-AZ)
- Rep. Suozzi, Thomas R. [D-NY-3] (D-NY)
- Rep. Swalwell, Eric [D-CA-14] (D-CA)
- Rep. Thompson, Mike [D-CA-4] (D-CA)
- Rep. Vasquez, Gabe [D-NM-2] (D-NM)
- Rep. Vindman, Eugene Simon [D-VA-7] (D-VA)
- Rep. Whitesides, George [D-CA-27] (D-CA)
Money behind the sponsor
Top reported contributors to Sam T. Liccardo’s campaign committee (2024 cycle) — who funds the bill’s sponsor, not a claim about this bill. Data from FEC.
- STANFORD UNIVERSITY $63,375
- GOOGLE $61,175
- COTCHETT, PITRE & MCCARTHY, LLP $41,675
- BROADCOM INC. $40,000
- META $37,900
Organizations whose employees gave the most — itemized individual contributions grouped by the donor’s reported employer (FEC Schedule A). Full finance for Sam T. Liccardo → · Outside spending →
Actions (2)
- Jul 21, 2025 Referred to the House Committee on Financial Services. · house
- Jul 21, 2025 Introduced in House
Similar bills (6)
Bills with similar text or summary — includes reintroductions across Congresses. Ranked by semantic similarity of the bill text (computed locally); a neutral discovery aid, not a claim the bills are duplicates.
Text versions (1)
Bills are re-published as they move (Introduced → Reported → Engrossed → Enrolled …). Each stage below is a separate text; pick two to see what changed. Data from Congress.gov.
Full text
IN THE HOUSE OF REPRESENTATIVES
July 21, 2025
Mr. Liccardo (for himself, Mr. Garbarino, Mr. Cleaver, Mr. Sherman, Mr. Thompson of California, Mr. Ruiz, Mr. Soto, Mr. Peters, Mr. Garamendi, Mr. Swalwell, Ms. McBride, Ms. Goodlander, Mr. Fields, Ms. Elfreth, Mr. Gray, Mr. Cisneros, Mr. Stanton, Mr. Harder of California, Mr. Meeks, Ms. Ansari, Mr. Foster, and Mr. Costa) introduced the following bill; which was referred to the Committee on Financial Services
A BILL
To amend the National Housing Act to direct the Secretary of Housing and Urban Development to establish a program to insure certain second liens secured against property for the purpose of financing the construction of an accessory dwelling unit, and for other purposes.
Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled,
SECTION 1. SHORT TITLE.
This Act may be cited as the “Supporting Upgraded Property Projects and Lending for Yards (SUPPLY) Act”.
SEC. 2. INSURANCE WITH RESPECT TO THE FINANCING OF THE CONSTRUCTION OF ACCESSORY DWELLING UNITS.
Title II of the National Housing Act (12 U.S.C. 1707 et seq.) is amended by adding at the end the following:
“SEC. 259. ACCESSORY DWELLING UNIT CONSTRUCTION INSURANCE.
“(a) In General.—Not later than 2 years after the date of the enactment of this section, the Secretary shall establish a program to insure, in the discretion of the Secretary and under such terms and conditions as the Secretary may prescribe, certain second liens that are secured against properties for the purpose of financing the construction of accessory dwelling units.
“(b) Maximum Loan Amount.—
“(1) In general.—Except as described in paragraph (2), the Secretary may only insure a second lien under this section that has a principal obligation in an amount that is the lesser of—
“(A) 30 percent of the dollar amount determined under section 203(b)(2)(A) with respect to a one-unit residence; or
“(B) when combined with any outstanding amounts owed on any other loans secured by a lien against the same property as the second lien, 100 percent of the projected value of the property after the construction of the accessory dwelling unit, as determined by the Secretary.
“(2) Rental income.—The Secretary may increase the amount described in paragraph (1) based on 50 percent of any projected rental income expected annually from an accessory dwelling unit to be financed using the second lien to be insured under this section.
“(c) Application.—The borrower seeking insurance for a second lien under this section shall submit an application for insurance at such time, in such manner, and containing such information as the Secretary may require, including a certification that the borrower is the owner of the property on which an accessory dwelling unit is to be constructed.
“(d) Premium.—The Secretary shall fix a premium charge for insurance provided under this section in an amount that may not exceed, for each year, 1 percent of the principal amount insured under this section.
“(e) Report.—Beginning on the date that is 1 year after the date of the enactment of this section, and annually thereafter, the Secretary shall submit to the Congress a report that describes the activities carried out under this section.
“(f) Rulemaking.—The Secretary may issue such rules as the Secretary determines appropriate to carry out this section.
“(g) Accessory Dwelling Unit Defined.—In this section, the term ‘accessory dwelling unit’ means a dwelling unit which—
“(1) is a—
“(A) modular or prefabricated unit constructed to at least 1 of the 3 most recent editions of a consensus-based building code adopted by the State, local jurisdiction, territory, or tribal entity;
“(B) manufactured unit (as such term is defined in section 102 of the Housing and Community Development Act of 1974 (42 U.S.C. 5402)); or
“(C) conversion of an existing structure on a property;
“(2) includes kitchen, sleeping, and bathroom facilities; and
“(3) is added to, created within, or detached from a single-family dwelling on a single property.”.
SEC. 3. PURCHASE AND SECURITIZATION OF INSURED LOANS FOR THE CONSTRUCTION OF ACCESSORY DWELLING UNITS.
(a) In General.—Except as provided in subsection (b), the Director of the Federal Housing Finance Agency (hereafter referred to as the “Director”) shall permit the Federal National Mortgage Association and the Federal Home Loan Mortgage Corporation to purchase and securitize loans that are insured under section 259 of the National Housing Act.
(b) Exception.—The Director may prohibit the purchase and securitization of loans that are insured under section 259 of the National Housing Act—
(1) if there are market pressures which would pose an excessive and unmitigable risk to the lending market for such loans, as determined by the Director; and
(2) beginning on the date that the Director submits to the Congress a written notice with respect to such prohibition.
(c) Report.—The Director shall include in the annual report required under section 1319B(a) of the Federal Housing Enterprises Financial Safety and Soundness Act of 1992 (12 U.S.C. 4521(a)) information with respect to the purchase and securitization of loans that are insured under section 259 of the National Housing Act. <all>
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