Boulder County property record for 5275 51st St, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2.5 ba · 2,168 sqft · built 1992 |
| Lot Size | 0.924 acres (40,227 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $1,389,000 (Jul 2024) |
| Tax Bill | $8,111 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-09-0-05-005 |
| Primary APN | 1463-09-0-05-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 2,168 sqft Living Area |
| Gross Area | 3,005 sqft |
| 1st Floor Area | 2,168 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Other |
| Lot Area | 40,227 sqft (0.924 acres) |
| Garage Type | Attached |
| Garage Area | 837 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Porch |
| Porch Area | 216 sqft |
| Patio Area | 162 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0029659 |
|---|---|
| Street Address | 5275 51ST ST |
| City | BOULDER |
| State | CO |
| Zip | 80301-4313 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A |
| Legal Description | S 1/2 LOT 4 LESS E 30 FT RD BLK 7 VALHALLA SUB |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 09 |
| Legal Subdivision | VALHALLA - BOV |
| Legal Block | 7 |
| Legal Lot Number | 4 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2050 |
| Census Tract | 12701 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 5275 51ST ST, BOULDER, CO 80301-4313 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Surviving Spouse |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 1, 2024 · Amount on Record |
| Deed Sale | Jul 1, 2024 · Amount on Record |
| Prior Sale | Jun 26, 2006 · Amount on Record |
| Deed Document Number | 20244052340 |
| Prior Transfer Date | Feb 6, 2009 |
| Prior Transfer Doc | 0002977696 |
| Record Updated | Oct 29, 2026 |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $83,456 (+2.93%) Land $28,539 Building $54,917 | $1,297,300 (-) Land $489,700 Building $807,600 | |
| 2025 | $8,111.00 (+8.05%) | $81,081 (-12.82%) Land $30,606 Building $50,475 | $1,297,300 (-6.55%) Land $489,700 Building $807,600 |
| 2023 | $7,507.00 (+13.62%) | $93,009 (+24.42%) Land $20,448 Building $72,561 | $1,388,200 (+29.06%) Land $305,200 Building $1,083,000 |
| 2022 | $6,607.00 | $74,754 Land $16,499 Building $58,255 | $1,075,600 Land $237,400 Building $838,200 |
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 3 (2013–2022) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Aug 2022 · rainfall accumulation |
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 | High above 74% of the US · above 71% of Colorado |
|---|---|
| Wildfire Likelihood | 0.4% 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 | LEFT HAND WD serves 20,280 people · EPA ID CO0107471 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 2022 |
| Lead | 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 69 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 | 1,200 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: LiveWireNet.
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