Boulder County property record for 618 Alpine Ave, #4, Boulder, CO 80304
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1.5 ba · 1,170 sqft · built 1985 |
| Lot Size | 0.345 acres (15,006 sqft) |
| Owner | Company Name on File |
| Last Sale | $867,500 (Sep 2025) |
| Tax Bill | $4,472 (2025) |
| Deeds & Mortgages | Sep 2025 Sale Feb 2024 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-25-1-77-004 |
| Primary APN | 1461-25-1-77-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Building Area | 1,170 sqft Living Area |
| 1st Floor Area | 558 sqft |
| Upper Floors Area | 612 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Townhouse |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 15,006 sqft (0.345 acres) |
| Patio Area | 150 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0102159 |
|---|---|
| Street Address | 618 ALPINE AVE, 4 |
| City | BOULDER |
| State | CO |
| Zip | 80304-3212 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 4 & UND 19% INT GCE ALPINE COMMONS CONDO THE |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | ALPINE COMMONS CONDO THE - BO |
| Legal Block | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-1-77-004
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 | Company Name on File |
|---|---|
| Mailing Address | 230 MAIN ST, WINCHESTER, MA 01890-3005 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Date | Document |
|---|---|
| Sep 18, 2025 | Special Warranty Deed, Transfer LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Feb 28, 2024 | Personal Representative Deed, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 18, 2025 · Amount on Record |
| Deed Sale | Sep 18, 2025 · Amount on Record |
| Prior Sale | Dec 30, 1986 |
| Deed Document Number | 20254102772 |
| Record Updated | Sep 20, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 18, 2025 |
| Property Address | 618 ALPINE AVE # 4, 4, BOULDER, CO 80304-3212 |
| Document Number | 0004102772 |
| Map Reference | DOC 699202 |
| Instrument Date | Sep 18, 2025 |
| Instrument | 4102772 |
| Transaction Type | Transfer |
| Record Updated | Oct 13, 2025 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $86.75 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 3320 13TH ST, BOULDER, CO 80304-2206 |
| Name | Verified Name |
|---|---|
| Address | 230 MAIN ST, WINCHESTER, MA 01890-3005 |
| Document Type | Personal Representative Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Feb 28, 2024 |
| Property Address | 618 ALPINE AVE # 4, 4, BOULDER, CO 80304-3212 |
| Document Number | 0004038095 |
| Map Reference | MF1347 DOC679743 |
| Instrument Date | Feb 26, 2024 |
| Instrument | 4038095 |
| Transaction Type | Transfer |
| Record Updated | Oct 13, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3320 13TH ST, BOULDER, CO 80304-2206 |
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 | $54,964 (+19.34%) Building $54,964 | $808,300 (+9.69%) Building $808,300 | |
| 2025 | $4,472.00 (+8.41%) | $46,056 (+0.03%) Building $46,056 | $736,900 (-0.72%) Building $736,900 |
| 2024 | $4,125.00 (+1.83%) | $46,044 (-7.41%) Building $46,044 | $742,217 (-) Building $742,217 |
| 2023 | $4,051.00 (-3.57%) | $49,729 (+11.92%) Building $49,729 | $742,217 (+16.1%) Building $742,217 |
| 2022 | $4,201.00 | $44,431 Building $44,431 | $639,300 Building $639,300 |
Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 12 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 16 units insured incl. 4 condo units |
| Nearby Flood Claims | 3 (2013) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
| Wildfire Risk | Moderate above 59% of the US · above 46% of Colorado |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Fixed Wireless | 2,500 / 2,500 |
| Lumen Technologies Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Live Wire Networks Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Verizon.
Based on FCC filings for 684 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF BOULDER serves 166,080 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures