Boulder County property record for 310 27th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 946 sqft · built 1954 |
| Lot Size | 0.145 acres (6,317 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $164,700 (Sep 1998) |
| Tax Bill | $4,038 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-2-04-009 |
| Primary APN | 1577-05-2-04-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 946 sqft Living Area |
| 1st Floor Area | 946 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 6,317 sqft (0.145 acres) |
| Porch | Porch |
| Porch Area | 140 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0000625 |
|---|---|
| Street Address | 310 27TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-3302 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 9 BLK 3 HIGHLAND PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | HIGHLAND PARK - BO |
| Legal Block | 3 |
| Legal Lot Number | 9 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 12507 |
310 27th St is owned by two individuals who acquired it in October 2002.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 215 31ST ST, BOULDER, CO 80305-3403 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 3, 1998 · Amount on File |
| Deed Sale | Sep 3, 1998 · Amount on File |
| Prior Sale | Apr 30, 1991 · Amount on File |
| Deed Document Number | 19981844257 |
| Last Transfer Date | Oct 28, 2002 |
| Transfer Doc | 0002351565 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 310 27th St was $4,038.
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 | $40,649 (-2.08%) Land $24,941 Building $15,708 | $664,200 (-) Land $433,200 Building $231,000 | |
| 2025 | $4,038.00 | $41,513 Land $27,075 Building $14,438 | $664,200 Land $433,200 Building $231,000 |
| 2023 | $3,886.00 (+8.37%) | $47,818 (+26.45%) Land $31,845 Building $15,973 | $713,700 (+31.17%) Land $475,300 Building $238,400 |
| 2022 | $3,586.00 | $37,815 Land $24,123 Building $13,692 | $544,100 Land $347,100 Building $197,000 |
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.
FEMA maps place 310 27th St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2013.
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 | 1 (2013) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
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.
Wildfire risk around 310 27th St is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 81% of Colorado |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond ember reach |
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 294 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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