Boulder County property record for 1625 Oak Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4.5 ba · 3,084 sqft · built 1985 |
| Lot Size | 0.427 acres (18,592 sqft) |
| Owner | Individual Name on File |
| Last Sale | $175,000 (Mar 1992) |
| Tax Bill | $8,782 (2025) |
| Deeds & Mortgages | Mar 2023 Mortgage Feb 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-18-3-09-018 |
| Primary APN | 1463-18-3-09-018 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 12 Rooms |
| Building Area | 3,084 sqft Living Area |
| Gross Area | 3,636 sqft |
| 1st Floor Area | 1,663 sqft |
| Upper Floors Area | 720 sqft |
| Basement Area | 701 sqft |
| Finished Basement | 701 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1989 |
| Architectural Style | Split Level |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 18,592 sqft (0.427 acres) |
| Garage Type | Attached |
| Garage Area | 552 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 222 sqft |
| Patio Area | 160 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0100393 |
|---|---|
| Street Address | 1625 OAK AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-1249 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 13 BLK 24 MOORES |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 18 |
| Legal Subdivision | MOORES & REPLAT LOT 15 BLK 30 - BO |
| Legal Block | 24 |
| Legal Lot Number | 13 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 12105 |
1625 Oak Ave is owned and occupied by an individual who acquired it in June 2020.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1625 OAK AVE, BOULDER, CO 80304-1249 |
| Occupancy | Owner Occupied |
| 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.
| Date | Document |
|---|---|
| Mar 16, 2023 | Deed of Trust, Mortgage ELAINE ARAGON |
| Feb 8, 2022 | Deed of Trust, Mortgage · Conventional Mortgage SYNERGY ONE LENDING |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 13, 1992 · Amount on File |
| Deed Sale | Mar 13, 1992 · Amount on File |
| Prior Sale | Oct 5, 1984 · Amount on File |
| Deed Document Number | 19921167728 |
| Last Transfer Date | Jun 29, 2020 |
| Transfer Doc | 0003794834 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1625 OAK AVE, BOULDER, CO 80304-1249 |
| Transaction Type | Mortgage |
| Record Updated | Mar 22, 2023 |
| Name | Verified Name |
|---|---|
| Address | 1625 OAK AVE, BOULDER, CO 80304-1249 |
| Document Number | 0004000351 |
|---|---|
| Date | Mar 16, 2023 |
| Instrument | 4000351 |
| Name | ELAINE ARAGON |
|---|---|
| Type | Private Party |
| Amount | Amount on Record |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1625 OAK AVE, BOULDER, CO 80304-1249 |
| Transaction Type | Mortgage |
| Record Updated | Feb 24, 2022 |
| Title Company | CANTON TITLE, CANYON TITLE |
| Name | Verified Name |
|---|---|
| Address | 1625 OAK AVE, BOULDER, CO 80304-1249 |
| Document Number | 0003944084 |
|---|---|
| Date | Feb 8, 2022 |
| Instrument | 3944084 |
| Name | SYNERGY ONE LENDING |
|---|---|
| Type | Mortgage Company |
| Address | SAN DIEGO, CA 92108 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2052 |
The 2025 property tax bill for 1625 Oak Ave was $8,782.
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 | $102,258 (+3.96%) Land $74,358 Building $27,900 | $1,573,800 (-) Land $1,163,500 Building $410,300 | |
| 2025 | $8,782.00 | $98,363 Land $72,719 Building $25,644 | $1,573,800 Land $1,163,500 Building $410,300 |
| 2023 | $8,560.00 (+19.82%) | $109,511 (+30.56%) Land $75,167 Building $34,344 | $1,634,500 (+35.43%) Land $1,121,900 Building $512,600 |
| 2022 | $7,144.00 | $83,880 Land $60,646 Building $23,234 | $1,206,900 Land $872,600 Building $334,300 |
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 1625 Oak Ave in Zone X, an area of minimal flood risk, though there have been 26 flood claims nearby since 2005.
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 |
| Flood Insurance Cost | Premium on File median of 32 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 32 in force |
| Nearby Flood Claims | 26 (2005–2015) |
| Claims Outside the SFHA | 10 of 26 |
| Most Recent Claim | May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides |
| 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.
Wildfire risk around 1625 Oak Ave 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 80% of the US · lower than 91% 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 482 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber · DSL in parts of the area | 8,000 / 8,000 |
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
May also be available: T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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