Boulder County property record for 4644 Chatham St, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.75 ba · 2,610 sqft · built 1968 |
| Lot Size | 0.347 acres (15,123 sqft) |
| Owner | Company Name on Record |
| Last Sale | $166,500 (Aug 1994) |
| Tax Bill | $5,958 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-12-4-14-001 |
| Primary APN | 1463-12-4-14-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Building Area | 2,610 sqft Living Area |
| Gross Area | 3,130 sqft |
| 1st Floor Area | 1,082 sqft |
| Upper Floors Area | 618 sqft |
| Basement Area | 910 sqft |
| Finished Basement | 910 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Split Level |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 15,123 sqft (0.347 acres) |
| Garage Type | Attached |
| Garage Area | 520 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0039021 |
|---|---|
| Street Address | 4644 CHATHAM ST |
| City | BOULDER |
| State | CO |
| Zip | 80301-4032 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SR |
| Legal Description | LOT 1 BLK 4 HEATHERWOOD 1 & TRACT A HEATHERWOOD 2 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 12 |
| Legal Subdivision | HEATHERWOOD 1 - BOV |
| Legal Tract | A |
| Legal Block | 4 |
| Legal Lot Number | 1 |
| 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 | Company Name on Record |
|---|---|
| Mailing Address | 4644 CHATHAM ST, BOULDER, CO 80301-4032 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 2, 1994 · Amount on Record |
| Deed Sale | Aug 2, 1994 · Amount on Record |
| Prior Sale | Jun 25, 1985 · Amount on Record |
| Deed Document Number | 19941451320 |
| Last Transfer Date | Sep 9, 1996 |
| Transfer Doc | 0001643676 |
| Record Updated | Oct 29, 2026 |
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 | $59,901 (+0.79%) Land $24,833 Building $35,068 | $950,900 (-) Land $435,200 Building $515,700 | |
| 2025 | $5,958.00 (+10.35%) | $59,431 (-5.68%) Land $27,200 Building $32,231 | $950,900 (+1.12%) Land $435,200 Building $515,700 |
| 2023 | $5,399.00 (+17.63%) | $63,007 (+34.05%) Land $29,835 Building $33,172 | $940,400 (+39.05%) Land $445,300 Building $495,100 |
| 2022 | $4,590.00 | $47,003 Land $21,927 Building $25,076 | $676,300 Land $315,500 Building $360,800 |
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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