Boulder County property record for 1645 Upland Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,263 sqft · built 2001 |
| Lot Size | 0.387 acres (16,856 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,325,000 (Jun 2019) |
| Tax Bill | $8,253 (2025) |
| Deeds & Mortgages | Jun 2019 Sale |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-18-2-22-001 |
| Primary APN | 1463-18-2-22-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,263 sqft Living Area |
| 1st Floor Area | 2,263 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2001 |
|---|---|
| Effective Year Built | Effective 2001 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 16,856 sqft (0.387 acres) |
| Garage Type | Detached |
| Garage Area | 648 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 168 sqft |
| Deck Area | 396 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0141959 |
|---|---|
| Street Address | 1645 UPLAND AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-0830 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 SIRKIN SUB |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 18 |
| Legal Subdivision | SIRKIN - BO |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 12105 |
Source: Boulder County records, as of September 18, 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 Record |
|---|---|
| Mailing Address | PO BOX 94, BOULDER, CO 80306-0094 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 3, 2019 · Amount on Record |
| Deed Sale | Jun 3, 2019 · Amount on Record |
| Prior Sale | Mar 8, 1999 · Amount on Record |
| Deed Document Number | 20193715640 |
| Prior Transfer Date | Aug 23, 1999 |
| Prior Transfer Doc | 0001974155 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 3, 2019 |
| Property Address | 1645 UPLAND AVE, BOULDER, CO 80304-0830 |
| Document Number | 0003715640 |
| Instrument Date | May 10, 2019 |
| Instrument | 3715640 |
| Transaction Type | Transfer |
| Record Updated | Jun 11, 2019 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $132.50 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 1645 UPLAND AVE BOULDER CO 803040830, BOULDER, CO 80304-0830 |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $89,420 (+3.3%) Land $71,536 Building $17,884 | $1,385,000 (-) Land $1,052,000 Building $333,000 | |
| 2025 | $8,253.00 (+7.25%) | $86,563 (-6.72%) Land $65,750 Building $20,813 | $1,385,000 (-) Land $1,052,000 Building $333,000 |
| 2023 | $7,695.00 (-13%) | $92,795 (-2.58%) Land $70,484 Building $22,311 | $1,385,000 (+1.05%) Land $1,052,000 Building $333,000 |
| 2022 | $8,845.00 | $95,257 Land $57,143 Building $38,114 | $1,370,600 Land $822,200 Building $548,400 |
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.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 46 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 46 in force |
| Nearby Flood Claims | 39 (1995–2013) |
| Claims Outside the SFHA | 7 of 39 |
| Most Recent Claim | Dec 2013 · other causes |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 52% of the US · lower than 64% of Colorado |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF BOULDER serves 166,080 people · EPA ID CO0107152 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Jul 2017 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 460 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, CenturyLink.
5G (outdoors only) and 4G LTE
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