"How much house can I afford?" is the first question every DC homebuyer asks. The answer involves more than just your income — it depends on your debts, down payment, the type of property, and how comfortable you want your monthly budget to feel.
The Lender's Formula: Debt-to-Income Ratio
Lenders use your debt-to-income (DTI) ratio to determine your maximum loan amount. DTI is calculated as:
Total monthly debt payments ÷ Gross monthly income = DTI
What Counts as Debt
- Proposed mortgage payment (principal, interest, taxes, insurance)
- HOA dues
- Student loan payments
- Car loan payments
- Credit card minimum payments
- Personal loans
- Child support or alimony
What Doesn't Count
- Utilities, food, transportation, subscriptions
- Health insurance premiums
- Retirement contributions
- Cell phone bills
DTI Limits
| Loan Type | Maximum DTI |
|---|---|
| Conventional | 45% (up to 50% with strong compensating factors) |
| FHA | 43% (up to 50% with compensating factors) |
| VA | No hard cap (most lenders use 41-45%) |
| Jumbo | 36-43% depending on lender |
DC Affordability by Income
Here's what different income levels can realistically afford in DC, assuming a 30-year fixed rate at 6.25%, moderate existing debt, and 5% down:
$75,000/year ($6,250/month gross)
| Component | Amount |
|---|---|
| Max housing payment (35% DTI) | $2,188 |
| Minus property tax estimate | -$250 |
| Minus insurance | -$30 |
| Minus HOA (condo) | -$350 |
| Available for P&I | $1,558 |
| Max loan amount | ~$253,000 |
| Max purchase price (5% down) | ~$266,000 |
Reality: At $75,000, you're looking at studios or 1-bedroom condos in emerging neighborhoods, or using HPAP assistance to stretch your budget.
$100,000/year ($8,333/month gross)
| Component | Amount |
|---|---|
| Max housing payment (38% DTI) | $3,167 |
| Minus property tax estimate | -$300 |
| Minus insurance | -$30 |
| Minus HOA (condo) | -$400 |
| Available for P&I | $2,437 |
| Max loan amount | ~$396,000 |
| Max purchase price (5% down) | ~$417,000 |
Reality: 1-bedroom condos in most DC neighborhoods, some 2-bedrooms in less expensive areas.
$150,000/year ($12,500/month gross)
| Component | Amount |
|---|---|
| Max housing payment (40% DTI) | $5,000 |
| Minus property tax estimate | -$400 |
| Minus insurance | -$50 |
| Minus HOA (if condo) | -$450 |
| Available for P&I | $4,100 |
| Max loan amount | ~$666,000 |
| Max purchase price (5% down) | ~$701,000 |
Reality: 2-bedroom condos in popular neighborhoods, small rowhouses in some areas.
$200,000/year ($16,667/month gross)
| Component | Amount |
|---|---|
| Max housing payment (40% DTI) | $6,667 |
| Minus property tax estimate | -$550 |
| Minus insurance | -$80 |
| Available for P&I (no HOA — rowhouse) | $6,037 |
| Max loan amount | ~$981,000 |
| Max purchase price (10% down, jumbo) | ~$1,090,000 |
Reality: Renovated rowhouses in Capitol Hill, Logan Circle, Shaw. Larger condos in premium buildings.
The Lender Max vs. Your Comfort Zone
Critical point: What a lender approves and what you should spend are different numbers.
Lenders approve based on DTI alone. They don't account for:
- Savings goals: Retirement contributions, emergency fund building
- Lifestyle costs: Dining out, travel, hobbies, entertainment
- Future changes: Starting a family, career transitions, caring for parents
- Maintenance costs: 1-2% of home value annually for rowhouses
- DC cost of living: Food, transportation, and services cost more here
A Better Rule of Thumb
Instead of maxing out your DTI, target a total housing payment under 30% of gross income. This leaves room for everything else.
| Gross Income | 30% Target Payment | 40% Lender Max |
|---|---|---|
| $100,000 | $2,500/month | $3,333/month |
| $150,000 | $3,750/month | $5,000/month |
| $200,000 | $5,000/month | $6,667/month |
That 30% target typically means your purchase price is 15-25% below your lender-approved maximum.
HOA Dues: The Hidden Budget Killer
In a city full of condos, HOA dues dramatically affect affordability:
| Monthly HOA | Annual Impact | Effect on Buying Power |
|---|---|---|
| $200 | $2,400 | Reduces max loan by ~$28,000 |
| $400 | $4,800 | Reduces max loan by ~$56,000 |
| $600 | $7,200 | Reduces max loan by ~$84,000 |
Example: A buyer approved for a $500,000 rowhouse (no HOA) can only afford a ~$416,000 condo with $600/month HOA dues — at the same monthly payment.
Rowhouse vs. Condo: Affordability Math
Same Monthly Payment, Different Lifestyles
$3,500/month total housing budget:
| Factor | Rowhouse | Condo |
|---|---|---|
| Available for P&I | $2,900 | $2,500 |
| HOA dues | $0 | $400 |
| Property tax | $450 | $350 |
| Insurance | $100 | $30 |
| Maintenance budget | $500 | $0 (covered by HOA) |
| Max purchase price | ~$530,000 | ~$458,000 |
But the rowhouse requires you to self-fund maintenance. The condo's HOA covers exterior maintenance, common areas, and often water and trash. The true cost comparison is closer than it appears.
Down Payment Impact
Your down payment affects both your purchase price and your monthly payment:
$30,000 in Savings for Down Payment
| Down Payment % | Purchase Price | Loan Amount | Monthly P&I | PMI |
|---|---|---|---|---|
| 3% | $1,000,000 | $970,000 | $5,972 | $485 |
| 5% | $600,000 | $570,000 | $3,510 | $240 |
| 10% | $300,000 | $270,000 | $1,663 | $90 |
| 20% | $150,000 | $120,000 | $739 | $0 |
Obviously, a $30,000 down payment covers 20% of a $150,000 home but only 3% of a $1,000,000 home. DC's down payment assistance programs help bridge this gap.
Quick Affordability Calculator
Rough estimate: Multiply your gross annual income by 3.5-4.5 to get an approximate purchase price.
| Income | Conservative (3.5x) | Moderate (4x) | Aggressive (4.5x) |
|---|---|---|---|
| $80,000 | $280,000 | $320,000 | $360,000 |
| $100,000 | $350,000 | $400,000 | $450,000 |
| $125,000 | $437,500 | $500,000 | $562,500 |
| $150,000 | $525,000 | $600,000 | $675,000 |
| $200,000 | $700,000 | $800,000 | $900,000 |
Subtract if you have significant debt. Add if you have a large down payment.
Next Steps
- Calculate your DTI: List all monthly debts and divide by gross monthly income
- Determine your comfortable payment: Target 30% of gross income for total housing cost
- Factor in HOA dues: If buying a condo, subtract estimated HOA from your budget first
- Account for DC costs: Recordation tax, transfer tax, and closing costs add $10,000-$25,000 upfront
- Get pre-approved: A lender will give you a precise number based on your complete financial picture
- Apply for assistance: HPAP and DC Open Doors can significantly expand your buying power
The DC market is expensive, but it's not impossible. Knowing your real numbers — not just the maximum a lender will approve — lets you buy a home you'll enjoy living in without financial stress.
Ready to take the next step? See our DC mortgage guide or get pre-qualified — two minutes, no credit pull.
