Home Improvement Grants in Diamond Bar.

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.

Types of help in this city

Funding typeProgramsRepaid?Best for
Grants15Never repaidIncome-qualified homeowners
Forgivable loans1Forgiven after a residency periodLarger repairs with no money down
Rebates6Refunded to you after purchaseEnergy-efficiency upgrades

Not sure which program fits? Email us what you need. It is free, and a real person answers.

1
Filter
Tell us about you
2
Browse
See matching programs
3
Get help
Or filter by your situation
Showing 24 programs
Varies, no individual cap; projects typically $10K-$200K+

FEMA Hazard Mitigation Grant Program (HMGP)

HMGP provides funding after a presidentially declared disaster to help communities reduce future disaster losses. Homeow...

Disaster
Up to $30,000

FEMA Increased Cost of Compliance (ICC) Coverage

ICC coverage is built into every National Flood Insurance Program (NFIP) policy and pays up to $30,000 to help bring a s...

Disaster
Varies by jurisdiction, typically $5,000-$15,000 per unit

HUD Lead Hazard Control & Healthy Homes

HUD funds state, county, and city governments to identify and fix lead-based paint hazards and other health hazards (mol...

Seniors & Disability
Varies, full line replacement cost covered in many programs

EPA / WIIN Act Lead Service Line Replacement

EPA's WIIN Act grants and the Drinking Water State Revolving Fund (DWSRF) fund lead service line replacement programs in...

Seniors & Disability
Up to $8,000 in weatherization improvements

California Weatherization Assistance Program (WAP)

Federally funded weatherization services for income-qualified California households to reduce energy costs. Services inc...

Weatherization
Free lead hazard abatement

California Lead Hazard Reduction Program

State-funded lead hazard reduction services for homes built before 1978 where a child under 6 resides or visits regularl...

Home Repair
Forgivable loan up to $35,000

LA County Owner-Occupied Housing Rehabilitation

CDBG-funded forgivable loan for major home repairs in unincorporated LA County areas. Diamond Bar residents may qualify;...

Home Repair
Up to $15,000 grant

LA County Accessibility Modification Program

Grants to modify homes for elderly or disabled residents in LA County, including Diamond Bar. Modifications include whee...

Seniors & Disability
Varies by upgrade

SCE Home Energy Advisor Rebates

SCE's comprehensive home energy upgrade program offering rebates and incentives for HVAC, insulation, duct sealing, cool...

Energy
Up to $250 rebate

SCE Central Air Conditioner Rebate

Rebate for installing qualifying high-efficiency central air conditioning systems in SCE service territory. Units must m...

Energy
Up to $3,585 rebate

SCE Heat Pump Water Heater Rebate

Rebates for installing ENERGY STAR certified heat pump water heaters. Standard rebate is $500; income-qualified customer...

Energy
Up to $400 rebate

SoCalGas High-Efficiency Furnace Rebate

Rebate for upgrading to high-efficiency gas furnaces (95% AFUE or higher) in SoCalGas territory. Diamond Bar homeowners ...

Energy
Up to $1,500

SoCalGas Tankless Water Heater Rebate

Rebate for installing ENERGY STAR certified tankless gas water heaters. Diamond Bar homeowners can receive up to $300 fo...

Energy
Free HVAC replacement

SCE Energy Savings Assistance HVAC

Free energy-saving improvements for income-qualified SCE customers including HVAC repair or replacement, attic insulatio...

Weatherization
Varies by project

HERO Home Energy Renovation Financing

Property Assessed Clean Energy (PACE) financing for energy-efficient and renewable energy improvements in Diamond Bar. R...

Solar/Renewable
Up to $1,000/kWh battery storage

California Self-Generation Incentive Program (SGIP)

Incentives for installing battery energy storage systems in SCE territory. Diamond Bar homeowners can receive rebates up...

Solar/Renewable
30% of system cost

Federal Solar Investment Tax Credit (ITC)

Federal tax credit for residential solar photovoltaic systems and battery storage. Diamond Bar homeowners can claim 30% ...

Solar/Renewable
Up to $10,000 grant (age 62+) and $40,000 loan, $50,000 combined

USDA Section 504 Home Repair Program

USDA loans and grants for very low-income homeowners to repair or improve dwellings in eligible rural areas. Certain par...

Home Repair
Up to $126,526 (SAH) or $25,350 (SHA), FY2026

VA Specially Adapted Housing (SAH) Grant

Grant for veterans with certain service-connected disabilities to adapt or purchase a specially adapted home. Diamond Ba...

Veterans
Up to $25,350 (SHA), FY2026

VA Special Housing Adaptation (SHA) Grant

Grant for veterans with qualifying service-connected disabilities to adapt their homes. Diamond Bar veterans with blindn...

Veterans
Up to $10,000 grant

LA County Senior Home Repair Program

Grant program for senior homeowners age 62+ in LA County to fund critical home repairs. Diamond Bar seniors with moderat...

Seniors & Disability
Up to $7,000 taxable value reduction

California Property Tax Exemption for Seniors/Disabled

Property tax exemption reducing assessed home value by $7,000 for qualifying seniors age 62+, blind, or disabled homeown...

Property Tax Relief
Up to 20% of mortgage interest as tax credit

California Mortgage Credit Certificate (MCC)

Federal tax credit for first-time homebuyers in California allowing up to 20% of annual mortgage interest paid to be cla...

Homebuyer
Low-interest home loans

California Veterans Home Purchase Assistance (CalVet)

Low-interest home loans for eligible California veterans purchasing homes, farms, or mobile homes. Diamond Bar veterans ...

Veterans

Stack programs to maximize your savings

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.

Stack your funding

Pick a project to see how much funding could stack on it from multiple programs in this city.

Refine for your household (optional)

Tell us about your household to see the total you could actually stack. We do not save or share this.

Grant-Approved Contractors in Diamond Bar

These contractors specialize in grant-funded projects and understand the documentation requirements.

No contractors listed yet, be the first in this market.

Get matched with a grant-savvy contractor

Tell us about your project. We'll connect you with contractors in your city who've completed grant-funded work and know the program documentation.

Get notified when programs change

We'll email you when new programs open, deadlines approach, or funding runs low.

Frequently asked questions

What home improvement grants are available in Diamond Bar, CA?

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.

Do home improvement grants in Diamond Bar have to be repaid?

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.

How do I apply for home repair grants in Diamond Bar?

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.