Boulder County property record for 535 Dewey Ave, Boulder, CO 80304 · Last verified July 2026
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1992 |
| Square Footage | 1,911 sqft Living Area |
| Lot Size | 6,247 sqft (0.143 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,295,000 (2025) |
| Tax Bill | $9,521.00 (2025) |
| Primary APN | 1461-25-1-17-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Building Area | 1,911 sqft Living Area |
| 1st Floor | 959 sqft 1st Floor |
| Basement Area | 952 sqft Basement |
| Finished Basement | 952 sqft Finished |
| Stories | 1 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Ranch Style |
| Exterior Material | Combination Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 6,247 sqft (0.143 acres) |
| Porch | Porch |
| Porch Area | 162 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0001384 |
|---|---|
| Street Address | 535 DEWEY AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3929 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT 8 BLK 3 VALLEY VIEW |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | VALLEY VIEW & REPLAT - BO |
| Legal Block | 3 |
| Legal Lot Number | 8 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1013 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-1-17-005
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 | 535 DEWEY AVE, BOULDER, CO 80304-3929 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jun 05, 2025 | Deed of Trust, Mortgage · Line of Credit HTLF BANK |
| Jan 01, 2019 | Deed of Trust, Mortgage · Conventional Mortgage KATHLEEN L SIDNEY |
| Jan 08, 2019 | Quit Claim Deed, Transfer Quitclaim Document |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20254081367 |
| Prior Transfer Date | Dec 27, 2018 |
| Prior Transfer Doc | 0003693157 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 535 DEWEY AVE, BOULDER, CO 80304-3929 |
| Transaction Type | Mortgage |
| Record Updated | Jun 08, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0004090283 |
|---|---|
| Date | Jun 05, 2025 |
| Instrument | 4090283 |
| Name | HTLF BANK |
|---|---|
| Type | Bank |
| Address | BOULDER, CO 80302 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| 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 | 535 DEWEY AVE, BOULDER, CO 80304-3929 |
| Document Number | 0003696032 |
| Instrument Date | Jan 01, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Feb 07, 2019 |
| Name | Verified Name |
|---|---|
| Address | 535 DEWEY AVE BOULDER CO 803043929, BOULDER, CO 80304-3929 |
| Document Number | 0003696032 |
|---|---|
| Date | Jan 30, 2019 |
| Instrument | 3696032 |
| Name | KATHLEEN L SIDNEY |
|---|---|
| Address | 737 8TH ST, BOULDER, CO 80302-7406 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 324 Months |
| Due | Jan 29, 2046 |
| Rate | 6% |
|---|
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jan 08, 2019 |
| Property Address | 535 DEWEY AVE, BOULDER, CO 80304-3929 |
| Document Number | 0003693157 |
| Instrument Date | Dec 28, 2018 |
| Instrument | 3693157 |
| Transaction Type | Transfer |
| Record Updated | Jan 17, 2019 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 737 8TH ST BOULDER CO 803027406, BOULDER, CO 80302-7406 |
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 | $106,807 (+8.8%) Land $93,255 Building $13,552 | $1,570,700 (-) Land $1,371,400 Building $199,300 | |
| 2025 | $9,521.00 (+12.26%) | $98,169 (-1.99%) Land $85,713 Building $12,456 | $1,570,700 (+5.06%) Land $1,371,400 Building $199,300 |
| 2023 | $8,481.00 (+7.83%) | $100,165 (+20.55%) Land $81,941 Building $18,224 | $1,495,000 (+22.35%) Land $1,223,000 Building $272,000 |
| 2022 | $7,865.00 | $83,089 Land $66,749 Building $16,340 | $1,221,900 Land $981,600 Building $240,300 |
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