Boulder County property record for 834 Maxwell Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 3,266 sqft · built 1900 |
| Lot Size | 0.153 acres (6,645 sqft) |
| Owner | Individual Name on File |
| Last Sale | $688,586 (Jan 2019) |
| Tax Bill | $12,638 (2025) |
| Deeds & Mortgages | Jul 2019 Mortgage Jan 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-25-4-02-004 |
| Primary APN | 1461-25-4-02-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 3,266 sqft Living Area |
| Gross Area | 3,646 sqft |
| 1st Floor Area | 1,574 sqft |
| Upper Floors Area | 608 sqft |
| Basement Area | 1,084 sqft |
| Finished Basement | 1,084 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | A-Frame |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 6,645 sqft (0.153 acres) |
| Garage Type | Attached |
| Garage Area | 250 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 130 sqft |
| Patio Area | 105 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0002231 |
|---|---|
| Street Address | 834 MAXWELL AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3944 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 3 LESS S 49.5 FT & LESS E 10 FT OF N 55 FT OF S 104.5 FT & LOT 4 LESS S 49.5 FT BLK 2 MAPLETON |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAPLETON - BO |
| Legal Block | 2 |
| Legal Lot Number | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 4 |
| Census Block | 4008 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-4-02-004
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 | Individual Name on File |
|---|---|
| Mailing Address | 834 MAXWELL AVE, BOULDER, CO 80304-3944 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jul 30, 2019 | Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE |
| Jan 14, 2019 | Quit Claim Deed, Transfer · Conventional Mortgage GUARANTEED RATE |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 14, 2019 · Amount on Record |
| Deed Sale | Jan 14, 2019 · Amount on Record |
| Prior Sale | Jun 27, 2007 · Amount on Record |
| Deed Document Number | 20193693939 |
| Prior Transfer Date | Jan 08, 2019 |
| Prior Transfer Doc | 0003693939 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 834 MAXWELL AVE, BOULDER, CO 80304-3944 |
| Document Number | 0003728346 |
| Instrument Date | Jul 30, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Aug 14, 2019 |
| Title Company | RAVENSWOOD TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Sole Owner |
| Address | 834 MAXWELL AVE BOULDER CO 803043944, BOULDER, CO 80304-3944 |
| Document Number | 0003728346 |
|---|---|
| Date | Aug 06, 2019 |
| Instrument | 3728346 |
| Name | GUARANTEED RATE |
|---|---|
| Address | CHICAGO, IL 60613 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 05, 2049 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jan 14, 2019 |
| Property Address | 834 MAXWELL AVE, BOULDER, CO 80304-3944 |
| Document Number | 0003693939 |
| Instrument Date | Jan 08, 2019 |
| Instrument | 3693939 |
| Transaction Type | Transfer |
| Record Updated | Jan 24, 2019 |
| Title Company | RAVENSWOOD TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $68.86 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Sole Owner |
| Address | 834 MAXWELL AVE BOULDER CO 803043944, BOULDER, CO 80304-3944 |
| Document Number | 3693940 |
|---|---|
| Date | Jan 14, 2019 |
| Instrument | 3693940 |
| Name | GUARANTEED RATE |
|---|---|
| Address | CHICAGO, IL 60613 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 13, 2049 |
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 | $144,215 (+8.8%) Land $108,848 Building $35,367 | $2,120,800 (-) Land $1,600,700 Building $520,100 | |
| 2025 | $12,638.00 (+1.41%) | $132,550 (-10.43%) Land $100,044 Building $32,506 | $2,120,800 (-3.98%) Land $1,600,700 Building $520,100 |
| 2023 | $12,462.00 (+25.06%) | $147,990 (+37.9%) Land $108,922 Building $39,068 | $2,208,800 (+43.05%) Land $1,625,700 Building $583,100 |
| 2022 | $9,965.00 | $107,315 Land $70,362 Building $36,953 | $1,544,100 Land $1,012,400 Building $531,700 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 15 units insured incl. 9 condo units |
| Nearby Flood Claims | 2 (2013) |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| Wildfire Risk | Low lower than 63% of the US · lower than 80% of Colorado |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| 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 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.
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