Find grants, rebates, forgivable loans, and free programs for Diamond Bar, CA, filtered to your situation.
As of June 2026, 24 home improvement grant, rebate, and forgivable loan programs are open to homeowners in Diamond Bar, CA, with individual awards up to $126,526. 5 programs target seniors, 3 serve veterans, and 13 require no income limit.
Data last verified 2026-06-09. How we verify our data.
| Funding type | Programs | Repaid? | Best for |
|---|---|---|---|
| Grants | 15 | Never repaid | Income-qualified homeowners |
| Forgivable loans | 1 | Forgiven after a residency period | Larger repairs with no money down |
| Rebates | 6 | Refunded to you after purchase | Energy-efficiency upgrades |
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HMGP provides funding after a presidentially declared disaster to help communities reduce future disaster losses. Homeow...
ICC coverage is built into every National Flood Insurance Program (NFIP) policy and pays up to $30,000 to help bring a s...
HUD funds state, county, and city governments to identify and fix lead-based paint hazards and other health hazards (mol...
EPA's WIIN Act grants and the Drinking Water State Revolving Fund (DWSRF) fund lead service line replacement programs in...
Federally funded weatherization services for income-qualified California households to reduce energy costs. Services inc...
State-funded lead hazard reduction services for homes built before 1978 where a child under 6 resides or visits regularl...
CDBG-funded forgivable loan for major home repairs in unincorporated LA County areas. Diamond Bar residents may qualify;...
Grants to modify homes for elderly or disabled residents in LA County, including Diamond Bar. Modifications include whee...
SCE's comprehensive home energy upgrade program offering rebates and incentives for HVAC, insulation, duct sealing, cool...
Rebate for installing qualifying high-efficiency central air conditioning systems in SCE service territory. Units must m...
Rebates for installing ENERGY STAR certified heat pump water heaters. Standard rebate is $500; income-qualified customer...
Rebate for upgrading to high-efficiency gas furnaces (95% AFUE or higher) in SoCalGas territory. Diamond Bar homeowners ...
Rebate for installing ENERGY STAR certified tankless gas water heaters. Diamond Bar homeowners can receive up to $300 fo...
Free energy-saving improvements for income-qualified SCE customers including HVAC repair or replacement, attic insulatio...
Property Assessed Clean Energy (PACE) financing for energy-efficient and renewable energy improvements in Diamond Bar. R...
Incentives for installing battery energy storage systems in SCE territory. Diamond Bar homeowners can receive rebates up...
Federal tax credit for residential solar photovoltaic systems and battery storage. Diamond Bar homeowners can claim 30% ...
USDA loans and grants for very low-income homeowners to repair or improve dwellings in eligible rural areas. Certain par...
Grant for veterans with certain service-connected disabilities to adapt or purchase a specially adapted home. Diamond Ba...
Grant for veterans with qualifying service-connected disabilities to adapt their homes. Diamond Bar veterans with blindn...
Grant program for senior homeowners age 62+ in LA County to fund critical home repairs. Diamond Bar seniors with moderat...
Property tax exemption reducing assessed home value by $7,000 for qualifying seniors age 62+, blind, or disabled homeown...
Federal tax credit for first-time homebuyers in California allowing up to 20% of annual mortgage interest paid to be cla...
Low-interest home loans for eligible California veterans purchasing homes, farms, or mobile homes. Diamond Bar veterans ...
Many of these programs can be combined. For example, you can use a city repair grant for the work, a utility rebate for the energy savings, and a federal tax credit on top, all for the same project.
Pick a project to see how much funding could stack on it from multiple programs in this city.
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24 programs are currently listed for Diamond Bar, including FEMA Hazard Mitigation Grant Program (HMGP), FEMA Increased Cost of Compliance (ICC) Coverage, HUD Lead Hazard Control & Healthy Homes.
Grants do not have to be repaid. Forgivable loans are forgiven over a residency period, and rebates refund your money after the purchase. In Diamond Bar, 15 programs do not require repayment, 1 is forgivable loan, and 6 are rebates.
Every program listing carries the official application link and phone number for the administering agency. Homeowners apply directly with that agency; there is no middleman and no fee.