Boulder County property record for 850 Circle Dr, Boulder, CO 80302 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 2015 |
| Square Footage | 4,124 sqft Living Area |
| Lot Size | 10,942 sqft (0.251 acres) |
| Garage | Attached, 618 sqft |
| Last Sale | $1,713,000 (2020) |
| Tax Bill | $13,471.00 (2025) |
| Primary APN | 1461-36-4-34-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Partial Baths | 3 Partial Baths |
| Total Rooms | 9 Rooms |
| Building Area | 4,124 sqft Living Area |
| Gross Area | 4,992 sqft Gross Area |
| 1st Floor | 2,710 sqft 1st Floor |
| Basement Area | 1,664 sqft Basement |
| Finished Basement | 1,414 sqft Finished |
| Unfinished Basement | 250 sqft Unfinished |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 2015 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Metal Roof |
| Lot Area | 10,942 sqft (0.251 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 618 sqft Garage |
| Deck Area | 456 sqft Deck |
| Patio Area | 552 sqft Patio |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0007213 |
|---|---|
| Street Address | 850 CIRCLE DR |
| City | BOULDER |
| State | CO |
| Zip | 80302-7453 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 32 FLATIRONS PARK |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 36 |
| Legal Subdivision | FLATIRONS PARK - BO |
| Legal Block | 3 |
| Legal Lot Number | 32 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 3 |
| Census Block | 3032 |
| Census Tract | 12201 |
Source: Boulder County records · APN 1461-36-4-34-004
Assessment roll updated June 15, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Owner on File |
|---|---|
| Mailing Address | 850 CIRCLE DR, BOULDER, CO 80302-7453 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Family Trust |
| Date | Document |
|---|---|
| Sep 08, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage US BANK NA |
| Jan 10, 2017 | Deed of Trust, Mortgage · Conventional Mortgage DSW MORTGAGE INC |
| Sep 04, 2020 | Special Warranty Deed, Transfer · Adjustable Rate Mortgage (ARM) WELLS FARGO BANK NA |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20203812938 |
| Last Transfer Date | Sep 01, 2021 |
| Transfer Doc | 0003912506 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 08, 2021 |
| Property Address | 850 CIRCLE DR, BOULDER, CO 80302-7453 |
| Document Number | 0003912506 |
| Instrument Date | Sep 01, 2021 |
| Instrument | 3912506 |
| Transaction Type | Transfer |
| Record Updated | Sep 22, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 850 CIRCLE DR, BOULDER, CO 80302-7453 |
| Document Number | 0003912508 |
|---|---|
| Date | Sep 08, 2021 |
| Instrument | 3912508 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Sep 01, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.5% |
| Adjustable | Document includes a rider for adjustable-rate mortgage with a specific rate change date. |
| Type Change Date | Sep 01, 2031 |
| Change Frequency | Annually |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 7.5% |
| Index | 1-Year CMT |
| Max Rate | 7.5% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 850 CIRCLE DR, BOULDER, CO 80302-7453 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003568181 |
|---|---|
| Date | Jan 10, 2017 |
| Instrument | 3568181 |
| Name | DSW MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | BOULDER, CO 80302 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Jan 01, 2032 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 04, 2020 |
| Property Address | 850 CIRCLE DR, BOULDER, CO 80302-7453 |
| Document Number | 0003812938 |
| Instrument Date | Sep 03, 2020 |
| Instrument | 3812938 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | LAND TITLE GUARANTEE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $171.30 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 850 CIRCLE DR, 850, BOULDER, CO 80302-7453 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 850 CIRCLE DR, BOULDER, CO 80302-7453 |
| Document Number | 0003812939 |
|---|---|
| Date | Sep 04, 2020 |
| Instrument | 3812939 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Adjustable Rate Mortgage (ARM) |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.37% |
| Adjustable | Document includes a rider for adjustable-rate mortgage with a specific rate change date. |
| Type Change Date | Oct 01, 2030 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 4.37% |
| Index | 1-Year LIBOR |
| Max Rate | 7.37% |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $212,942 (+50.72%) Land $126,575 Building $86,367 | $3,131,500 (+38.53%) Land $1,861,400 Building $1,270,100 | |
| 2025 | $13,471.00 (+5.66%) | $141,282 (-6.63%) Land $116,338 Building $24,944 | $2,260,500 (+0.09%) Land $1,861,400 Building $399,100 |
| 2023 | $12,749.00 (+5.35%) | $151,313 (+16.11%) Land $120,024 Building $31,289 | $2,258,400 (+20.44%) Land $1,791,400 Building $467,000 |
| 2022 | $12,102.00 | $130,320 Land $101,262 Building $29,058 | $1,875,100 Land $1,457,000 Building $418,100 |
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