Boulder County property record for 821 Spring Dr, Boulder, CO 80303 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 1.5 Baths |
| Year Built | Built 1960 |
| Square Footage | 2,566 sqft Living Area |
| Lot Size | 1.2 acres |
| Occupancy | Owner Occupied |
| Last Sale | $1,275,000 (2022) |
| Tax Bill | $8,332.00 (2025) |
| Primary APN | 1577-12-2-06-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 9 Rooms |
| Building Area | 2,566 sqft Living Area |
| Gross Area | 2,874 sqft Gross Area |
| 1st Floor | 2,566 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Paneling Interior Structure |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Ranch Style |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Lot Area | 52,494 sqft |
| Parking Spaces | 3 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 308 sqft Garage |
| Patio Area | 200 sqft Patio |
| Porch | Porch |
| Porch Area | 181 sqft Porch |
| Cooling System | Evaporative Cooling |
|---|---|
| Heating System | Hot Water Heating |
| Account Number | R0035983 |
|---|---|
| Street Address | 821 SPRING DR |
| City | BOULDER |
| State | CO |
| Zip | 80303-5024 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 11 & SLY 30.40 FT LOT 12 BLK 7 PARAGON EST 1ST SPLIT 06/92 PER OWNER REQUEST SEE ID 112199 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 12 |
| Legal Subdivision | PARAGON ESTATES 1 |
| Legal Block | 7 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 3 |
| Census Block | 3058 |
| Census Tract | 12710 |
Source: Boulder County records · APN 1577-12-2-06-006
Assessment roll updated June 15, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 821 SPRING DR, BOULDER, CO 80303-5024 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Dec 17, 2025 | Deed of Trust, Mortgage · Line of Credit FIRSTBANK |
| Sep 20, 2022 | Warranty Deed, Transfer · Conventional Mortgage CHANGE LENDING LLC |
| May 30, 2019 | Grant Deed, Transfer ATTORNEY ONLY |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 20, 2022 · Amount on Record |
| Deed Sale | Sep 20, 2022 · Amount on Record |
| Prior Sale | Feb 02, 1998 |
| Deed Doc Number | 20223981906 |
| Prior Transfer Date | Aug 09, 2022 |
| Prior Transfer Doc | 0003976338 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 821 SPRING DR, BOULDER, CO 80303-5024 |
| Transaction Type | Mortgage |
| Record Updated | Jan 09, 2026 |
| Name | Verified Name |
|---|---|
| Address | 821 SPRING DR, BOULDER, CO 80303-5024 |
| Document Number | 0004113610 |
|---|---|
| Date | Dec 17, 2025 |
| Instrument | 4113610 |
| Name | FIRSTBANK |
|---|---|
| Type | Bank |
| Address | DENVER, CO 80215 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 120 Months |
| Due | Dec 09, 2035 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 20, 2022 |
| Property Address | 821 SPRING DR, BOULDER, CO 80303-5024 |
| Document Number | 0003981906 |
| Instrument Date | Sep 19, 2022 |
| Instrument | 3981906 |
| Transaction Type | Transfer |
| Record Updated | Oct 03, 2022 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $127.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 821 SPRING DR, BOULDER, CO 80303-5024 |
| Document Number | 0003981907 |
|---|---|
| Date | Sep 20, 2022 |
| Instrument | 3981907 |
| Name | CHANGE LENDING LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 7.7% |
| Adjustable | Document includes a rider for adjustable-rate mortgage with a specific rate change date. |
| Type Change Date | Oct 01, 2027 |
| Change Frequency | 6 Months |
| Min Rate At Change | 7.75% |
| Max Rate At Change | 9.75% |
| Index | Other |
| Max Rate | 12.7% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | May 30, 2019 |
| Property Address | 821 SPRING DR, BOULDER, CO 80303-5024 |
| Document Number | 0003714918 |
| Instrument Date | May 29, 2019 |
| Instrument | 3714918 |
| Transaction Type | Transfer |
| Record Updated | Jun 06, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 704 MEXICO PL PALOS VERDES ESTATES CA 902741209, PALOS VERDES ESTATES, CA 90274-1209 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| 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 | $90,093 (+8.8%) Land $52,088 Building $38,005 | $1,324,900 (-) Land $766,000 Building $558,900 | |
| 2025 | $8,332.00 (+3.92%) | $82,806 (-9.38%) Land $47,875 Building $34,931 | $1,324,900 (-2.85%) Land $766,000 Building $558,900 |
| 2023 | $8,018.00 (+28.95%) | $91,374 (+44.29%) Land $42,786 Building $48,588 | $1,363,800 (+49.67%) Land $638,600 Building $725,200 |
| 2022 | $6,218.00 | $63,328 Land $32,658 Building $30,670 | $911,200 Land $469,900 Building $441,300 |
821 Spring Dr is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Moderate risk).
Source: FEMA National Flood Hazard Layer · Boulder County (08013C), updated October 14, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Moderate 68th percentile of exposed land nationally · 61st in Colorado |
|---|---|
| Wildfire Likelihood | High — about 1 in 265 per year |
| Exposure | Indirect within ember reach of burnable land · adjoins burnable vegetation |
Values are read at the parcel center point; lenders make the official flood determination.
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