Boulder County property record for 840 Maxwell Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.75 ba · 2,945 sqft · built 1900 |
| Lot Size | 0.106 acres (4,595 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,580,000 (Mar 2021) |
| Tax Bill | $10,057 (2025) |
| Deeds & Mortgages | Apr 2023 Line of Credit Mar 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-25-4-02-001 |
| Primary APN | 1461-25-4-02-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,945 sqft Living Area |
| 1st Floor Area | 960 sqft |
| Upper Floors Area | 960 sqft |
| Basement Area | 1,025 sqft |
| Finished Basement | 1,025 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Multi-Level |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 4,595 sqft (0.106 acres) |
| Porch | Porch |
| Porch Area | 65 sqft |
| Deck Area | 35 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0000444 |
|---|---|
| Street Address | 840 MAXWELL AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3944 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N 82.1 FT LOTS 1-2 BLK 2 MAPLETON |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAPLETON - BO |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 4 |
| Census Block | 4008 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-4-02-001
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 840 MAXWELL AVE, BOULDER, CO 80304-3944 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Apr 03, 2023 | Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU |
| Mar 29, 2021 | Warranty Deed, Transfer · Conventional Mortgage ELEVATIONS CU |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 29, 2021 · Amount on Record |
| Deed Sale | Mar 29, 2021 · Amount on Record |
| Prior Sale | Apr 13, 1992 · Amount on Record |
| Deed Document Number | 20213871902 |
| Prior Transfer Date | Feb 15, 2012 |
| Prior Transfer Doc | 0003209248 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 840 MAXWELL AVE, BOULDER, CO 80304-3944 |
| Transaction Type | Mortgage |
| Record Updated | Apr 11, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0004002278 |
|---|---|
| Date | Apr 03, 2023 |
| Instrument | 4002278 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Address | BOULDER, CO 80301 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Apr 02, 2043 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Mar 29, 2021 |
| Property Address | 840 MAXWELL AVE, BOULDER, CO 80304-3944 |
| Document Number | 0003871902 |
| Instrument Date | Mar 17, 2021 |
| Instrument | 3871902 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | 8Z TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $158.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 840 MAXWELL AVE, BOULDER, CO 80304-3944 |
| Document Number | 0003871903 |
|---|---|
| Date | Mar 29, 2021 |
| Instrument | 3871903 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2051 |
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 | $114,764 (+8.8%) Land $83,001 Building $31,763 | $1,687,700 (-) Land $1,220,600 Building $467,100 | |
| 2025 | $10,057.00 (+2.39%) | $105,482 (-10.17%) Land $76,288 Building $29,194 | $1,687,700 (-3.7%) Land $1,220,600 Building $467,100 |
| 2023 | $9,822.00 (+21.24%) | $117,424 (+34.6%) Land $83,013 Building $34,411 | $1,752,600 (+39.63%) Land $1,239,000 Building $513,600 |
| 2022 | $8,101.00 | $87,236 Land $53,904 Building $33,332 | $1,255,200 Land $775,600 Building $479,600 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130121014, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 15 units insured 9 under condo master policies |
| Nearby Flood Claims | 2 (2013) |
| Most Recent Claim | Sep 2013, river or lake flooding, Severe Storms, Flooding, Landslides, And Mudslides |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond 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, availability as of December 31, 2025 · Published October 2026 · based on 684 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Ayva | Fixed Wireless (unlicensed) | 2,500 / 2,500 |
| Lumen Technologies | Fiber | 2,000 / 1,000 |
| Xfinity | Cable | 2,000 / 250 |
| Live Wire Networks | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | Fixed Wireless | 100 / 20 |
May also be available at this address: Verizon, Lumen Technologies. Availability varies by address; speeds are provider-advertised maximums, not measured.
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