Boulder County property record for 735 12th St, Boulder, CO 80302 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 1995 |
| Square Footage | 3,991 sqft Living Area |
| Lot Size | 9,237 sqft (0.212 acres) |
| Last Sale | $2,400,000 (2024) |
| Tax Bill | $13,131.00 (2025) |
| Primary APN | 1463-31-3-30-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Partial Baths | 3 Partial Baths |
| Total Rooms | 10 Rooms |
| Building Area | 3,991 sqft Living Area |
| Gross Area | 4,411 sqft Gross Area |
| 1st Floor | 1,838 sqft 1st Floor |
| Upper Floors | 1,558 sqft Upper Floors |
| Basement Area | 1,015 sqft Basement |
| Finished Basement | 595 sqft Finished |
| Unfinished Basement | 420 sqft Unfinished |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1995 |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 9,237 sqft (0.212 acres) |
| Deck Area | 104 sqft Deck |
|---|---|
| Patio Area | 286 sqft Patio |
| Porch | Porch |
| Porch Area | 70 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0005914 |
|---|---|
| Street Address | 735 12TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-7518 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 32-34 INC BLK 32 UNIVERSITY PLACE |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 31 |
| Legal Subdivision | UNIVERSITY PLACE - BO |
| Legal Block | 32 |
| Legal Lot Number | 32 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 3 |
| Census Block | 3010 |
| Census Tract | 12401 |
Source: Boulder County records · APN 1463-31-3-30-010
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 | 735 12TH ST, BOULDER, CO 80302-7518 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| Dec 14, 2023 | Deed of Trust, Mortgage · Commercial Mortgage FLATIRONS BANK |
| Sep 18, 2018 | Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20244049826 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 735 12TH ST, BOULDER, CO 80302-7518 |
| Transaction Type | Mortgage |
| Record Updated | Jan 18, 2024 |
| Name | Verified Name |
|---|---|
| Address | 735 12TH ST, BOULDER, CO 80302-7518 |
| Document Number | 0004031024 |
|---|---|
| Date | Dec 14, 2023 |
| Instrument | 4031024 |
| Name | FLATIRONS BANK |
|---|---|
| Type | Bank |
| Address | BOULDER, CO 80302 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 12 Months |
| Due | Dec 07, 2024 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 735 12TH ST, BOULDER, CO 80302-7518 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | AMERICAN TITLE INC |
| Name | Verified Name |
|---|
| Document Number | 0003676674 |
|---|---|
| Date | Sep 18, 2018 |
| Instrument | 3676674 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 05, 2048 |
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 | $157,584 (+14.42%) Land $72,876 Building $84,708 | $2,317,400 (+5.17%) Land $1,071,700 Building $1,245,700 | |
| 2025 | $13,131.00 (+6.74%) | $137,719 (-8.41%) Land $66,981 Building $70,738 | $2,203,500 (-1.82%) Land $1,071,700 Building $1,131,800 |
| 2024 | $12,302.00 (+1.77%) | ||
| 2023 | $12,088.00 (+16.97%) | $150,368 (+27.17%) Land $68,246 Building $82,122 | $2,244,300 (+31.92%) Land $1,018,600 Building $1,225,700 |
| 2022 | $10,334.00 | $118,241 Land $55,920 Building $62,321 | $1,701,300 Land $804,600 Building $896,700 |
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