Boulder County property record for 4670 Chatham St, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.25 ba · 1,904 sqft · built 1968 |
| Lot Size | 0.207 acres (9,033 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $350,000 (Apr 2013) |
| Tax Bill | $4,501 (2025) |
| Deeds & Mortgages | Oct 2023 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-12-4-14-003 |
| Primary APN | 1463-12-4-14-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 8 Rooms |
| Building Area | 1,904 sqft Living Area |
| Gross Area | 2,558 sqft |
| 1st Floor Area | 798 sqft |
| Upper Floors Area | 725 sqft |
| Basement Area | 575 sqft |
| Finished Basement | 381 sqft |
| Unfinished Basement | 194 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Split Level |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 9,033 sqft (0.207 acres) |
| Garage Type | Attached |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 125 sqft |
| Patio Area | 100 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0038644 |
|---|---|
| Street Address | 4670 CHATHAM ST |
| City | BOULDER |
| State | CO |
| Zip | 80301-4032 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 3 BLOCK 4 HEATHERWOOD 1 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 12 |
| Legal Subdivision | HEATHERWOOD 1 - BOV |
| Legal Block | 4 |
| Legal Lot Number | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 12709 |
Source: Boulder County records, as of September 18, 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 Record |
|---|---|
| Mailing Address | 4670 CHATHAM ST, BOULDER, CO 80301-4032 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 17, 2013 · Amount on Record |
| Deed Sale | Apr 17, 2013 · Amount on Record |
| Prior Sale | Jan 16, 1996 · Amount on Record |
| Deed Document Number | 20133305277 |
| Last Transfer Date | Mar 1, 2016 |
| Transfer Doc | 0003503819 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 4670 CHATHAM ST, BOULDER, CO 80301-4032 |
| Transaction Type | Mortgage |
| Record Updated | Nov 17, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0004026206 |
|---|---|
| Date | Oct 25, 2023 |
| Instrument | 4026206 |
| Name | BLUE FCU |
|---|---|
| Type | Credit Union |
| Address | CHEYENNE, WY 82001 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 420 Months |
| Due | Oct 24, 2058 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $43,969 (-1.83%) Land $18,115 Building $25,854 | $716,600 (-) Land $336,400 Building $380,200 | |
| 2025 | $4,501.00 (+11.69%) | $44,788 (-6.46%) Land $21,025 Building $23,763 | $716,600 (+0.28%) Land $336,400 Building $380,200 |
| 2023 | $4,030.00 (+15.67%) | $47,879 (+34.5%) Land $23,055 Building $24,824 | $714,600 (+39.52%) Land $344,100 Building $370,500 |
| 2022 | $3,484.00 | $35,598 Land $16,944 Building $18,654 | $512,200 Land $243,800 Building $268,400 |
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.
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 | 3 in force |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 42% of the US · lower than 74% of Colorado |
|---|---|
| Wildfire Likelihood | 0.07% annual chance |
| Exposure | Indirect within 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 381 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| CenturyLink DSL | 140 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: LiveWireNet.
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