Boulder County, Colorado Mortgage Calculator - Estimate Your Monthly Payment with Taxes, PMI & Insurance
Boulder County overrides Colorado's statewide estimate with a local benchmark for Boulder and northwest Denver-area buyers. Boulder County uses a local property-tax planning benchmark of about 0.57% on this page. On a $400,000 Boulder County example with 20% down at 6.5% for 30 years, principal and interest are about $2,023; tax escrow is about $190/mo, for estimated PITI near $2,313 before PMI. Confirm overlapping city, school, and special-district layers on the parcel before treating escrow as final.
Loan Details
$70,000 · LTV 80%
Buyer Profile
Extra Payment
Optional principal-only payment used to estimate payoff speed and interest savings.
Monthly Payment
$1,770 Principal & Interest · $166 Property Taxes · $125 Other
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Methodology and limitations
Last reviewed:
Methodology
Uses standard principal-and-interest mortgage math, then models housing-cost inputs such as tax, insurance, PMI, and extra-payment scenarios where available. National pages include worked PITI, term, and PMI comparison examples for planning. Local HMDA denial context and Freddie Mac PMMS rate history snapshots were re-verified on the last-reviewed date.
Limitations
Planning estimate only. Actual approval, escrow, PMI, fees, taxes, insurance, and closing disclosures depend on lender, property, borrower profile, and local rules.
Boulder County, Colorado Mortgage Calculator - Estimate Your Monthly Payment with Taxes, PMI & Insurance
Colorado
Boulder County overrides Colorado's statewide estimate with a local benchmark for Boulder and northwest Denver-area buyers. Boulder County uses a local property-tax planning benchmark of about 0.57% on this page. On a $400,000 Boulder County example with 20% down at 6.5% for 30 years, principal and interest are about $2,023; tax escrow is about $190/mo, for estimated PITI near $2,313 before PMI. Confirm overlapping city, school, and special-district layers on the parcel before treating escrow as final.
Use this mortgage calculator for Boulder County, Colorado to estimate the monthly payment with principal, interest, configured annual taxes, eligible exemptions, and assistance programs when the buyer profile matches the conditions.
Enter your income to see your approval odds in Boulder County, Colorado — based on 4,825 2025 HMDA applications.
What This Estimate Uses
- Geographic level: county
- Configured property tax rate: 0.57%
- Configured benefits or exemptions: 2
- Reviewed sources: 4
What Changes in Boulder County, Colorado
- Data level used: county. This page uses the most specific available data layer for Boulder County, Colorado.
- Configured combined annual property tax rate: 0.57% before exemptions and buyer-specific conditions are applied.
- Configured down payment assistance programs: CHFA Down Payment Assistance.
Local Tax Assumptions
These are the annual tax assumptions configured for this page. The calculator applies them to the appropriate value, then accounts for exemptions or conditions when the buyer selects them.
- Colorado Local Property Tax - 0.570%
Programs and Exemptions Included
These benefits do not mean automatic approval. The calculator models them when the buyer inputs match the configured eligibility conditions.
- CHFA Down Payment Assistance - $25,000 (requires: first-time buyer, primary residence)
- Mortgage Credit Certificate (MCC) - 20% of mortgage interest (requires: first-time buyer, primary residence, buyer has a Mortgage Credit Certificate)
When This Estimate Can Change
- The actual property tax bill depends on the address, overlapping taxing jurisdictions, approved exemptions, and appraised value.
- Home insurance, flood insurance, HOA dues, and PMI can vary by property, lender, and buyer profile.
- Configured closing costs include Colorado Documentary Fee, but other settlement charges may appear on a real loan estimate.
2026 Loan Limits in Boulder County, Colorado
In Boulder County, Colorado, the 2026 FHFA conforming loan limit for a one-unit home is $879,750. The approximated FHA one-unit limit is $879,750. The national baseline is $832,750; this county is a high-cost area.
| Units | Conforming (FHFA) | FHA (approx.) |
|---|---|---|
| 1-unit (single-family) | $879,750 | $879,750 |
| 2-unit | $1,126,250 | $1,126,503 |
| 3-unit | $1,361,350 | $1,361,539 |
| 4-unit | $1,691,850 | $1,691,888 |
National baseline (1-unit): $832,750 · High-cost area
Source: FHFA conforming loan limits 2026 · Snapshot verified · Methodology & CSV
2025 Local Home-Purchase Mortgage Market in Boulder County, Colorado
Local home-purchase mortgage market context for Boulder County, Colorado: in 2025 Home Mortgage Disclosure Act (HMDA) data, Boulder County logged 4,825 final-action applications. The mortgage denial rate was 5.45% and the originated share was 70.09%.
| Metric | Boulder County | State |
|---|---|---|
| Final-action applications | 4,825 | 116,640 |
| Mortgage denial rate | 5.45% | 7.61% |
| Originated share | 70.09% | 70.05% |
Source: FFIEC HMDA (modified LAR, home purchase) 2025 · Snapshot verified · Texas vs California mortgage denial rates (methodology)
ACS 2019-2023 Housing Costs in Boulder County, Colorado
In ACS 2023 (2019-2023), the median home value in Boulder County, Colorado is $713,900; the median effective property tax rate (taxes ÷ value) is 0.54%; the median price-to-income ratio is 6.9×; 27.9% of owners with a mortgage pay ≥30% of income on housing.
| Metric | Boulder County |
|---|---|
| Median home value | $713,900 |
| Median real estate taxes | $3,821 |
| Median household income | $102,772 |
| Median monthly owner costs (w/ mortgage) | $2,615 |
| Median effective tax rate (tax ÷ value) | 0.54% |
| Price-to-income ratio | 6.9× |
| Cost burden ≥30% (with mortgage) | 27.9% |
Source: U.S. Census Bureau ACS 5-year 2023 · Snapshot verified
Nearby location comparison
Planning comparison on a $400,000 home with 20% down, 6.5% fixed for 30 years, and $100/mo insurance. Monthly tax uses each page's configured property tax rate.
| Location | Est. property tax rate | Est. monthly tax | Est. monthly PITI |
|---|---|---|---|
| Boulder County (this page) | 0.57% | $190 | $2,313 |
| Adams County | 0.65% | $217 | $2,339 |
| Arapahoe County | 0.60% | $200 | $2,323 |
| Denver County | 0.55% | $183 | $2,306 |
| Douglas County | 0.62% | $207 | $2,329 |
| El Paso County | 0.52% | $173 | $2,296 |
Local Data and Sources
Last editorial verification: May 15, 2026. This page combines the official data layers configured for Boulder County, Colorado.
The sources used on this page are Consumer Financial Protection Bureau mortgage cost guidance, Colorado Department of Local Affairs property tax data, Colorado Department of Revenue documentary fee, Colorado Housing and Finance Authority down payment assistance. Each source lists which rate, exemption, or program it validates and when it was last reviewed.
- Consumer Financial Protection Bureau mortgage cost guidance - verified May 3, 2026 - General U.S. mortgage closing-cost and mortgage-cost guidance.
- Colorado Department of Local Affairs property tax data - verified May 15, 2026 - Official source family for Colorado property-tax administration and local property-tax data.
- Colorado Department of Revenue documentary fee - verified May 15, 2026 - Official source for Colorado real estate transfer declaration and documentary fee guidance.
- Colorado Housing and Finance Authority down payment assistance - verified May 15, 2026 - Official CHFA source for Colorado homebuyer and down payment assistance programs.
Frequently Asked Questions
Why can Colorado property taxes vary by subdivision?
Many Colorado homes sit inside overlapping metro and special districts on top of county and school levies. Two houses in the same county can have materially different tax bills depending on the metro district stack. This statewide page uses a planning estimate; Denver, Boulder, and other county pages override local benchmarks for high-volume markets.
What Colorado buyer assistance is modeled?
The state file models CHFA down payment assistance as a conservative flat planning amount for eligible first-time buyers purchasing a primary residence. Program caps, income limits, and participating lenders change, so treat the modeled benefit as educational and confirm current CHFA terms before counting assistance in your cash-to-close budget.
What is a sample Colorado mortgage payment on $400,000?
With 20% down at 6.5% for 30 years, principal and interest are about $2,023. At a 0.55% statewide property-tax planning rate, tax escrow is about $183 per month; add $100 insurance for roughly $2,306 PITI without PMI. Metro district homes may escrow more—use the matching county calculator when available.
Why include Boulder County?
Boulder County has high home values and search demand for Boulder, Longmont, Lafayette, and Louisville. Use this county mortgage calculator to combine that local assumption with principal, interest, insurance, and PMI so your monthly PITI estimate is closer to a full housing payment before you talk to a lender.
What property tax rate does the Boulder County mortgage calculator use?
Boulder County uses a local planning benchmark of about 0.57% on this page. On a $400,000 home that is roughly $2,280 per year or $190 per month in escrow before exemptions or special districts. Parcel bills can still differ—verify the levy code on the address you are buying.
What is a sample Boulder County PITI on $400,000?
With 20% down at 6.5% for 30 years, principal and interest are about $2,023. At ~0.57% property tax, monthly escrow is about $190; with $100 insurance, estimated PITI is about $2,313 without PMI. Enter your real price and down payment above to resize the estimate, including PMI if you put less than 20% down.
Do metro districts change Boulder County tax bills?
Yes. Many Boulder County homes sit in metro or special districts on top of the ~0.57% county planning benchmark. Two similar homes can escrow differently—use this calculator as a baseline, then check the listing's district stack. Use this county mortgage calculator to combine that local assumption with principal, interest, insurance, and PMI so your monthly PITI estimate is closer to a full housing payment before you talk to a lender.