Boulder County property record for 800 12th St, Boulder, CO 80302 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 1990 |
| Square Footage | 2,912 sqft Living Area |
| Lot Size | 9,237 sqft (0.212 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $850,000 (2015) |
| Tax Bill | $11,863.00 (2025) |
| Primary APN | 1463-31-3-22-008 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 2 Partial Baths |
| Total Rooms | 9 Rooms |
| Building Area | 2,912 sqft Living Area |
| 1st Floor | 1,876 sqft 1st Floor |
| Basement Area | 1,036 sqft Basement |
| Finished Basement | 1,036 sqft Finished |
| Stories | 1 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Ranch Style |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 9,237 sqft (0.212 acres) |
| Parking Spaces | 3 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 566 sqft Garage |
| Deck Area | 66 sqft Deck |
|---|---|
| Patio Area | 658 sqft Patio |
| Porch | 1 Porch |
| Porch Area | 336 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0007749 |
|---|---|
| Street Address | 800 12TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-7521 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 22-23-24 BLK 24 UNIVERSITY PLACE |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 31 |
| Legal Subdivision | UNIVERSITY PLACE - BO |
| Legal Block | 24 |
| Legal Lot Number | 22 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 3 |
| Census Block | 3002 |
| Census Tract | 12401 |
Source: Boulder County records · APN 1463-31-3-22-008
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 | 2 Individuals Owners |
|---|---|
| Mailing Address | 800 12TH ST, BOULDER, CO 80302-7521 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Mar 04, 2026 | Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU |
| Feb 08, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ELEVATIONS CU |
| Jan 22, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ELEVATIONS CU |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20153449582 |
| Prior Transfer Date | Apr 18, 2014 |
| Prior Transfer Doc | 0003376221 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 800 12TH ST, BOULDER, CO 80302-7521 |
| Transaction Type | Mortgage |
| Record Updated | Mar 31, 2026 |
| Name | Verified Name |
|---|---|
| Address | 800 12TH ST, BOULDER, CO 80302-7521 |
| Document Number | 0004122117 |
|---|---|
| Date | Mar 04, 2026 |
| Instrument | 4122117 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Address | BOULDER, CO 80301 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Mar 01, 2046 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 800 12TH ST, BOULDER, CO 80302-7521 |
| Transaction Type | Mortgage |
| Record Updated | Feb 22, 2021 |
| Title Company | ASCENDANT TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0003856883 |
|---|---|
| Date | Feb 08, 2021 |
| Instrument | 3856883 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Address | BOULDER, CO 80301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Feb 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 800 12TH ST, BOULDER, CO 80302-7521 |
| Document Number | 0003854544 |
| Instrument Date | Jan 22, 2021 |
| Transaction Type | Mortgage |
| Record Updated | Feb 19, 2021 |
| Title Company | ADVANCED TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 800 12TH ST BOULDER CO 803027521, BOULDER, CO 80302-7521 |
| Document Number | 0003854544 |
|---|---|
| Date | Jan 28, 2021 |
| Instrument | 3854544 |
| Name | ELEVATIONS CU |
|---|---|
| Address | BOULDER, CO 80301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Jan 27, 2036 |
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 | $135,368 (+8.8%) Land $72,876 Building $62,492 | $1,990,700 (-) Land $1,071,700 Building $919,000 | |
| 2025 | $11,863.00 (+5.55%) | $124,419 (-7.03%) Land $66,981 Building $57,438 | $1,990,700 (-0.34%) Land $1,071,700 Building $919,000 |
| 2023 | $11,239.00 (+10.84%) | $133,832 (+22.57%) Land $68,246 Building $65,586 | $1,997,500 (+27.14%) Land $1,018,600 Building $978,900 |
| 2022 | $10,140.00 | $109,192 Land $55,920 Building $53,272 | $1,571,100 Land $804,600 Building $766,500 |
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