Boulder County property record for 621 Maxwell Ave, Boulder, CO 80304 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3.5 Baths |
| Year Built | Built 2010 |
| Square Footage | 3,231 sqft Living Area |
| Lot Size | 6,640 sqft (0.152 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $2,450,000 (2024) |
| Tax Bill | $16,090.00 (2025) |
| Primary APN | 1461-25-1-20-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 11 Rooms |
| Building Area | 3,231 sqft Living Area |
| 1st Floor | 1,362 sqft 1st Floor |
| Upper Floors | 1,169 sqft Upper Floors |
| Basement Area | 700 sqft Basement |
| Finished Basement | 700 sqft Finished |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1905 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 6,640 sqft (0.152 acres) |
| Garage Type | Detached Garage |
| Garage Area | 441 sqft Garage |
| Total Buildings | 2 Total Buildings |
|---|---|
| Deck Area | 192 sqft Deck |
| Porch | Porch |
| Porch Area | 102 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0005765 |
|---|---|
| Street Address | 621 MAXWELL AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3940 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 22 & W 21 FT LOT 23 BLK 14 MAXWELLS |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAXWELLS - BO |
| Legal Block | 14 |
| Legal Lot Number | 22 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 4 |
| Census Block | 4001 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-1-20-011
Assessment roll updated June 15, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 621 MAXWELL AVE, BOULDER, CO 80304-3940 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jun 24, 2026 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK N A |
| Jun 01, 2020 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20244069273 |
| Prior Transfer Date | Jun 26, 2009 |
| Prior Transfer Doc | 0003013218 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 24, 2026 |
| Property Address | 621 MAXWELL AVE, BOULDER, CO 80304-3940 |
| Document Number | 0004137420 |
| Instrument Date | Jun 18, 2026 |
| Instrument | 20264137420 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Title Company | E-CHICAGO TITLE, CHICAGO TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants, 205 |
| Address | 621 MAXWELL AVE, BOULDER, CO 80304-3940 |
| Document Number | 0004137420, |
|---|---|
| Date | Jun 24, 2026 |
| Instrument | 20264137420 |
| Name | JPMORGAN CHASE BANK N A |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 01, 2056 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6.5% |
| Initial Type | Adjustable Rate |
| Adjustable | Document includes a rider for adjustable-rate mortgage with a specific rate change date. |
| Max Rate | -1% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 621 MAXWELL AVE, BOULDER, CO 80304-3940 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|
| Document Number | 0003787733 |
|---|---|
| Date | Jun 01, 2020 |
| Instrument | 3787733 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 01, 2050 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified July 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 | $183,600 (-0.44%) Land $108,800 Building $74,800 | $2,700,000 (-8.49%) Land $1,600,000 Building $1,100,000 | |
| 2025 | $16,090.00 (-6.91%) | $184,412 (-10.94%) Land $100,006 Building $84,406 | $2,950,600 (-4.53%) Land $1,600,100 Building $1,350,500 |
| 2024 | $17,285.00 (+1.77%) | ||
| 2023 | $16,985.00 (+26.62%) | $207,071 (+36.77%) Land $108,882 Building $98,189 | $3,090,600 (+41.87%) Land $1,625,100 Building $1,465,500 |
| 2022 | $13,414.00 | $151,399 Land $70,334 Building $81,065 | $2,178,400 Land $1,012,000 Building $1,166,400 |
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