Boulder County property record for 429 Mapleton Ave, Apt B, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Condominium / Townhouse > Condominium |
|---|---|
| Bedrooms | 1 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1906 |
| Square Footage | 625 sqft Living Area |
| Lot Size | 25 sqft (0.001 acres) |
| Garage | Detached, 235 sqft |
| Last Sale | $389,900 (2009) |
| Tax Bill | $3,552.00 (2025) |
| Primary APN | 1461-25-4-85-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 4 Rooms |
| Units | 3 Units |
| Building Area | 625 sqft Living Area |
| 1st Floor | 625 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1906 |
|---|---|
| Effective Year Built | Effective 1906 |
| Architectural Style | Townhouse Style |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Other (not Classified) Roof |
| Lot Area | 25 sqft (0.001 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 235 sqft Garage |
| Deck Area | 216 sqft Deck |
| Heating System | Hot Water Heating |
|---|
| Account Number | R0140902 |
|---|---|
| Street Address | 429 MAPLETON AVE, B |
| City | BOULDER |
| State | CO |
| Zip | 80304-3950 |
| Property Usage | Residential Property Usage |
| Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 429B MAPLETON AVENUE CONDOMINIUMS & UND 9.07% INT IN GCE |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAPLETON AVENUE CONDOMINIUMS - BO |
| Legal Block | 4 |
| Legal Unit | 429B |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 4 |
| Census Block | 4004 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-4-85-010
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 | 2 Individuals Owners |
|---|---|
| Mailing Address | 1680 HANCHETT AVE, SAN JOSE, CA 95128-5217 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Mar 17, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ELEVATIONS CU |
| May 21, 2018 | Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20093013717 |
| Last Transfer Date | Jun 17, 2024 |
| Transfer Doc | 0004050909 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 429 MAPLETON AVE APT B, B, BOULDER, CO 80304-3950 |
| Transaction Type | Mortgage |
| Record Updated | Apr 15, 2022 |
| Title Company | WFT NATIONAL TITLE, WFG NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 0003868461 |
|---|---|
| Date | Mar 17, 2021 |
| Instrument | 3868461 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Address | BOULDER, CO 80301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 429 MAPLETON AVE APT B, B, BOULDER, CO 80304-3950 |
| Document Number | 0003657399 |
| Instrument Date | May 21, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jan 14, 2019 |
| Name | Verified Name |
|---|---|
| Address | 429 MAPLETON AVE #B BOULDER CO 803043950, B, BOULDER, CO 80304-3950 |
| Document Number | 0003657399 |
|---|---|
| Date | May 25, 2018 |
| Instrument | 3657399 |
| Name | ELEVATIONS CU |
|---|---|
| Address | BOULDER, CO 80301 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | May 24, 2038 |
| Rate Type | Adjustable Rate |
|---|
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 | $47,342 (+8.8%) Building $47,342 | $696,200 (-) Building $696,200 | |
| 2025 | $3,552.00 (+42.25%) | $43,513 (+10.71%) Building $43,513 | $696,200 (+18.68%) Building $696,200 |
| 2023 | $2,497.00 (-1.62%) | $39,303 (+14.64%) Building $39,303 | $586,615 (+18.92%) Building $586,615 |
| 2022 | $2,538.00 | $34,284 Building $34,284 | $493,300 Building $493,300 |
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